./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro --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 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 18:41:17,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:41:17,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:41:17,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:41:17,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:41:17,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:41:17,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:41:17,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:41:17,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:41:17,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:41:17,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:41:17,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:41:17,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:41:17,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:41:17,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:41:17,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:41:17,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:41:17,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:41:17,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:41:17,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:41:17,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:41:17,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:41:17,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:41:17,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:41:17,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:41:17,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:41:17,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:41:17,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:41:17,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:41:17,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:41:17,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:41:17,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:41:17,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:41:17,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:41:17,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:41:17,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:41:17,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:41:17,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:41:17,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:41:17,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:41:17,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:41:17,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 18:41:17,291 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:41:17,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:41:17,292 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:41:17,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:41:17,293 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:41:17,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:41:17,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:41:17,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:41:17,295 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:41:17,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:41:17,296 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:41:17,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:41:17,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:41:17,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:41:17,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:41:17,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:41:17,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:41:17,298 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:41:17,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:41:17,298 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:41:17,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:41:17,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:41:17,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:41:17,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:41:17,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:41:17,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:41:17,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:41:17,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:41:17,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:41:17,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:41:17,303 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:41:17,303 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:41:17,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:41:17,304 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_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 [2022-11-18 18:41:17,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:41:17,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:41:17,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:41:17,626 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:41:17,626 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:41:17,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2022-11-18 18:41:17,693 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/data/c687cbd93/e9379c7f2ce14cf592443c09420ff342/FLAG7eefe9232 [2022-11-18 18:41:18,352 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:41:18,353 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2022-11-18 18:41:18,363 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/data/c687cbd93/e9379c7f2ce14cf592443c09420ff342/FLAG7eefe9232 [2022-11-18 18:41:18,609 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/data/c687cbd93/e9379c7f2ce14cf592443c09420ff342 [2022-11-18 18:41:18,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:41:18,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:41:18,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:41:18,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:41:18,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:41:18,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:41:18" (1/1) ... [2022-11-18 18:41:18,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef6ed86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:41:18, skipping insertion in model container [2022-11-18 18:41:18,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:41:18" (1/1) ... [2022-11-18 18:41:18,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:41:18,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:41:18,975 WARN L234 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_9acf6b78-f526-406e-ab94-9050b862e7ab/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c[17188,17201] [2022-11-18 18:41:18,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:41:18,997 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:41:19,130 WARN L234 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_9acf6b78-f526-406e-ab94-9050b862e7ab/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c[17188,17201] [2022-11-18 18:41:19,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:41:19,150 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:41:19,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:41:19 WrapperNode [2022-11-18 18:41:19,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:41:19,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:41:19,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:41:19,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:41:19,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:41:19" (1/1) ... [2022-11-18 18:41:19,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:41:19" (1/1) ... [2022-11-18 18:41:19,227 INFO L138 Inliner]: procedures = 51, calls = 93, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 160 [2022-11-18 18:41:19,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:41:19,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:41:19,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:41:19,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:41:19,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:41:19" (1/1) ... [2022-11-18 18:41:19,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:41:19" (1/1) ... [2022-11-18 18:41:19,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:41:19" (1/1) ... [2022-11-18 18:41:19,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:41:19" (1/1) ... [2022-11-18 18:41:19,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:41:19" (1/1) ... [2022-11-18 18:41:19,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:41:19" (1/1) ... [2022-11-18 18:41:19,267 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:41:19" (1/1) ... [2022-11-18 18:41:19,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:41:19" (1/1) ... [2022-11-18 18:41:19,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:41:19,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:41:19,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:41:19,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:41:19,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:41:19" (1/1) ... [2022-11-18 18:41:19,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:41:19,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:41:19,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:41:19,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:41:19,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:41:19,392 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-18 18:41:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-18 18:41:19,393 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-18 18:41:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-18 18:41:19,393 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-18 18:41:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-18 18:41:19,395 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-18 18:41:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-18 18:41:19,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:41:19,397 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-18 18:41:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-18 18:41:19,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:41:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:41:19,536 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:41:19,538 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:41:19,868 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:41:19,876 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:41:19,876 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 18:41:19,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:41:19 BoogieIcfgContainer [2022-11-18 18:41:19,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:41:19,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:41:19,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:41:19,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:41:19,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:41:18" (1/3) ... [2022-11-18 18:41:19,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a261d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:41:19, skipping insertion in model container [2022-11-18 18:41:19,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:41:19" (2/3) ... [2022-11-18 18:41:19,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a261d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:41:19, skipping insertion in model container [2022-11-18 18:41:19,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:41:19" (3/3) ... [2022-11-18 18:41:19,891 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2022-11-18 18:41:19,915 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:41:19,915 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:41:19,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:41:19,990 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5f835b26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:41:19,990 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:41:20,009 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 59 states have internal predecessors, (74), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 18:41:20,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-18 18:41:20,019 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:41:20,020 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:41:20,021 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:41:20,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:41:20,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1379054688, now seen corresponding path program 1 times [2022-11-18 18:41:20,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:41:20,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398806238] [2022-11-18 18:41:20,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:41:20,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:41:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:41:20,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:41:20,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398806238] [2022-11-18 18:41:20,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398806238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:41:20,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:41:20,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:41:20,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913771056] [2022-11-18 18:41:20,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:41:20,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 18:41:20,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:41:20,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 18:41:20,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 18:41:20,445 INFO L87 Difference]: Start difference. First operand has 68 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 59 states have internal predecessors, (74), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) 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) [2022-11-18 18:41:20,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:41:20,505 INFO L93 Difference]: Finished difference Result 128 states and 175 transitions. [2022-11-18 18:41:20,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 18:41:20,508 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 [2022-11-18 18:41:20,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:41:20,529 INFO L225 Difference]: With dead ends: 128 [2022-11-18 18:41:20,529 INFO L226 Difference]: Without dead ends: 59 [2022-11-18 18:41:20,533 INFO L412 NwaCegarLoop]: 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 [2022-11-18 18:41:20,537 INFO L413 NwaCegarLoop]: 84 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, 84 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 [2022-11-18 18:41:20,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:41:20,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-18 18:41:20,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-18 18:41:20,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-18 18:41:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 75 transitions. [2022-11-18 18:41:20,613 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 75 transitions. Word has length 19 [2022-11-18 18:41:20,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:41:20,614 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 75 transitions. [2022-11-18 18:41:20,615 INFO L496 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) [2022-11-18 18:41:20,615 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2022-11-18 18:41:20,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-18 18:41:20,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:41:20,622 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:41:20,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:41:20,623 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:41:20,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:41:20,626 INFO L85 PathProgramCache]: Analyzing trace with hash -320924759, now seen corresponding path program 1 times [2022-11-18 18:41:20,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:41:20,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971674437] [2022-11-18 18:41:20,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:41:20,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:41:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:41:20,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:41:20,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971674437] [2022-11-18 18:41:20,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971674437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:41:20,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:41:20,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:41:20,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224639277] [2022-11-18 18:41:20,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:41:20,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:41:20,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:41:20,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:41:20,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:41:20,844 INFO L87 Difference]: Start difference. First operand 59 states and 75 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) [2022-11-18 18:41:20,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:41:20,860 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2022-11-18 18:41:20,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:41:20,861 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 [2022-11-18 18:41:20,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:41:20,863 INFO L225 Difference]: With dead ends: 83 [2022-11-18 18:41:20,863 INFO L226 Difference]: Without dead ends: 50 [2022-11-18 18:41:20,864 INFO L412 NwaCegarLoop]: 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 [2022-11-18 18:41:20,865 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 13 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 107 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 [2022-11-18 18:41:20,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:41:20,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-18 18:41:20,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-18 18:41:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 1.325) internal successors, (53), 45 states have internal predecessors, (53), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-18 18:41:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2022-11-18 18:41:20,883 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 63 transitions. Word has length 20 [2022-11-18 18:41:20,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:41:20,884 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 63 transitions. [2022-11-18 18:41:20,884 INFO L496 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) [2022-11-18 18:41:20,884 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2022-11-18 18:41:20,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 18:41:20,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:41:20,886 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:41:20,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:41:20,886 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:41:20,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:41:20,887 INFO L85 PathProgramCache]: Analyzing trace with hash -810441205, now seen corresponding path program 1 times [2022-11-18 18:41:20,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:41:20,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984893229] [2022-11-18 18:41:20,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:41:20,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:41:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:21,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:41:21,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:41:21,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984893229] [2022-11-18 18:41:21,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984893229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:41:21,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:41:21,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:41:21,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432689139] [2022-11-18 18:41:21,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:41:21,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:41:21,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:41:21,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:41:21,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:41:21,134 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 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) [2022-11-18 18:41:21,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:41:21,250 INFO L93 Difference]: Finished difference Result 93 states and 120 transitions. [2022-11-18 18:41:21,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:41:21,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 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 [2022-11-18 18:41:21,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:41:21,276 INFO L225 Difference]: With dead ends: 93 [2022-11-18 18:41:21,276 INFO L226 Difference]: Without dead ends: 50 [2022-11-18 18:41:21,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:41:21,280 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 88 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:41:21,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 136 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:41:21,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-18 18:41:21,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-18 18:41:21,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 1.3) internal successors, (52), 45 states have internal predecessors, (52), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-18 18:41:21,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2022-11-18 18:41:21,299 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 25 [2022-11-18 18:41:21,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:41:21,299 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2022-11-18 18:41:21,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 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) [2022-11-18 18:41:21,300 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2022-11-18 18:41:21,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-18 18:41:21,303 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:41:21,303 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:41:21,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:41:21,305 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:41:21,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:41:21,309 INFO L85 PathProgramCache]: Analyzing trace with hash 475641660, now seen corresponding path program 1 times [2022-11-18 18:41:21,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:41:21,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063107034] [2022-11-18 18:41:21,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:41:21,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:41:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:21,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:41:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:41:21,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:41:21,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063107034] [2022-11-18 18:41:21,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063107034] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:41:21,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:41:21,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 18:41:21,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634911772] [2022-11-18 18:41:21,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:41:21,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 18:41:21,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:41:21,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 18:41:21,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:41:21,568 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:41:21,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:41:21,851 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-11-18 18:41:21,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 18:41:21,852 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-11-18 18:41:21,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:41:21,859 INFO L225 Difference]: With dead ends: 171 [2022-11-18 18:41:21,860 INFO L226 Difference]: Without dead ends: 128 [2022-11-18 18:41:21,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-11-18 18:41:21,867 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 147 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:41:21,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 383 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 18:41:21,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-18 18:41:21,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 123. [2022-11-18 18:41:21,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 97 states have (on average 1.2989690721649485) internal successors, (126), 109 states have internal predecessors, (126), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (17), 11 states have call predecessors, (17), 14 states have call successors, (17) [2022-11-18 18:41:21,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 157 transitions. [2022-11-18 18:41:21,901 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 157 transitions. Word has length 30 [2022-11-18 18:41:21,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:41:21,901 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 157 transitions. [2022-11-18 18:41:21,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:41:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 157 transitions. [2022-11-18 18:41:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-18 18:41:21,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:41:21,904 INFO L195 NwaCegarLoop]: 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] [2022-11-18 18:41:21,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:41:21,905 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:41:21,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:41:21,905 INFO L85 PathProgramCache]: Analyzing trace with hash 557208599, now seen corresponding path program 1 times [2022-11-18 18:41:21,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:41:21,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752365742] [2022-11-18 18:41:21,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:41:21,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:41:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:21,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 18:41:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:21,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:41:21,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:41:21,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752365742] [2022-11-18 18:41:21,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752365742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:41:21,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:41:21,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:41:21,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446548288] [2022-11-18 18:41:21,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:41:21,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:41:21,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:41:21,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:41:21,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:41:21,963 INFO L87 Difference]: Start difference. First operand 123 states and 157 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:41:21,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:41:21,986 INFO L93 Difference]: Finished difference Result 219 states and 282 transitions. [2022-11-18 18:41:21,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:41:21,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-11-18 18:41:21,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:41:21,988 INFO L225 Difference]: With dead ends: 219 [2022-11-18 18:41:21,988 INFO L226 Difference]: Without dead ends: 103 [2022-11-18 18:41:21,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:41:21,990 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 33 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:41:21,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 47 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:41:21,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-18 18:41:22,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2022-11-18 18:41:22,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 80 states have (on average 1.225) internal successors, (98), 86 states have internal predecessors, (98), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2022-11-18 18:41:22,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 121 transitions. [2022-11-18 18:41:22,010 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 121 transitions. Word has length 32 [2022-11-18 18:41:22,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:41:22,011 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 121 transitions. [2022-11-18 18:41:22,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:41:22,011 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 121 transitions. [2022-11-18 18:41:22,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-18 18:41:22,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:41:22,014 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:41:22,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 18:41:22,014 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:41:22,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:41:22,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1600959184, now seen corresponding path program 1 times [2022-11-18 18:41:22,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:41:22,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415262545] [2022-11-18 18:41:22,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:41:22,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:41:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:22,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 18:41:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:22,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:41:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:22,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 18:41:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:22,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 18:41:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:22,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 18:41:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:22,215 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-18 18:41:22,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:41:22,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415262545] [2022-11-18 18:41:22,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415262545] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:41:22,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096329651] [2022-11-18 18:41:22,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:41:22,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:41:22,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:41:22,226 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 18:41:22,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 18:41:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:41:22,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 18:41:22,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:41:22,595 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 18:41:22,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:41:22,982 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-18 18:41:22,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096329651] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:41:22,983 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 18:41:22,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2022-11-18 18:41:22,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860872243] [2022-11-18 18:41:22,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 18:41:22,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-18 18:41:22,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:41:22,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 18:41:22,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2022-11-18 18:41:22,988 INFO L87 Difference]: Start difference. First operand 103 states and 121 transitions. Second operand has 15 states, 15 states have (on average 6.2) internal successors, (93), 12 states have internal predecessors, (93), 6 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2022-11-18 18:41:23,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:41:23,272 INFO L93 Difference]: Finished difference Result 137 states and 161 transitions. [2022-11-18 18:41:23,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:41:23,272 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.2) internal successors, (93), 12 states have internal predecessors, (93), 6 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) Word has length 61 [2022-11-18 18:41:23,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:41:23,273 INFO L225 Difference]: With dead ends: 137 [2022-11-18 18:41:23,273 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 18:41:23,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 120 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2022-11-18 18:41:23,275 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 121 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:41:23,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 361 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 18:41:23,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 18:41:23,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 18:41:23,276 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) [2022-11-18 18:41:23,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 18:41:23,292 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2022-11-18 18:41:23,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:41:23,292 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 18:41:23,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.2) internal successors, (93), 12 states have internal predecessors, (93), 6 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (12), 5 states have call predecessors, (12), 6 states have call successors, (12) [2022-11-18 18:41:23,293 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 18:41:23,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 18:41:23,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 18:41:23,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 18:41:23,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 18:41:23,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 18:41:24,597 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 296 302) no Hoare annotation was computed. [2022-11-18 18:41:24,598 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 296 302) the Hoare annotation is: true [2022-11-18 18:41:24,598 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 184 195) the Hoare annotation is: true [2022-11-18 18:41:24,598 INFO L899 garLoopResultBuilder]: For program point L188-1(lines 184 195) no Hoare annotation was computed. [2022-11-18 18:41:24,598 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 184 195) no Hoare annotation was computed. [2022-11-18 18:41:24,598 INFO L899 garLoopResultBuilder]: For program point L283-1(lines 283 289) no Hoare annotation was computed. [2022-11-18 18:41:24,598 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 320) no Hoare annotation was computed. [2022-11-18 18:41:24,599 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 325) no Hoare annotation was computed. [2022-11-18 18:41:24,599 INFO L899 garLoopResultBuilder]: For program point L882(line 882) no Hoare annotation was computed. [2022-11-18 18:41:24,599 INFO L895 garLoopResultBuilder]: At program point L201(lines 196 204) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-11-18 18:41:24,599 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 272 295) no Hoare annotation was computed. [2022-11-18 18:41:24,599 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 168) no Hoare annotation was computed. [2022-11-18 18:41:24,600 INFO L895 garLoopResultBuilder]: At program point L164-2(lines 160 171) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-11-18 18:41:24,600 INFO L895 garLoopResultBuilder]: At program point L342(lines 337 344) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-11-18 18:41:24,600 INFO L899 garLoopResultBuilder]: For program point L276-1(lines 275 294) no Hoare annotation was computed. [2022-11-18 18:41:24,600 INFO L895 garLoopResultBuilder]: At program point L883(lines 878 885) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-11-18 18:41:24,600 INFO L895 garLoopResultBuilder]: At program point L318(line 318) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-11-18 18:41:24,601 INFO L899 garLoopResultBuilder]: For program point L252(lines 252 258) no Hoare annotation was computed. [2022-11-18 18:41:24,601 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 261) no Hoare annotation was computed. [2022-11-18 18:41:24,601 INFO L895 garLoopResultBuilder]: At program point L248-1(lines 240 264) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0))) (.cse3 (not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~1#1| 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) .cse4) (or .cse0 (and .cse1 .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse4 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-18 18:41:24,601 INFO L895 garLoopResultBuilder]: At program point L323(line 323) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1)) .cse2))) [2022-11-18 18:41:24,602 INFO L895 garLoopResultBuilder]: At program point L323-1(lines 304 328) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1)) .cse2))) [2022-11-18 18:41:24,602 INFO L895 garLoopResultBuilder]: At program point L352(lines 345 355) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-11-18 18:41:24,602 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 272 295) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1)) .cse2))) [2022-11-18 18:41:24,602 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 272 295) no Hoare annotation was computed. [2022-11-18 18:41:24,603 INFO L895 garLoopResultBuilder]: At program point L233(lines 228 236) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 (= ~waterLevel~0 1)) .cse3))) [2022-11-18 18:41:24,603 INFO L895 garLoopResultBuilder]: At program point L361(lines 356 364) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2022-11-18 18:41:24,603 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2022-11-18 18:41:24,603 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-18 18:41:24,603 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-18 18:41:24,604 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-11-18 18:41:24,604 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-18 18:41:24,604 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-18 18:41:24,604 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-18 18:41:24,604 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-18 18:41:24,604 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-18 18:41:24,604 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-18 18:41:24,605 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-18 18:41:24,605 INFO L895 garLoopResultBuilder]: At program point L865(lines 861 867) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-18 18:41:24,605 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 446) no Hoare annotation was computed. [2022-11-18 18:41:24,605 INFO L899 garLoopResultBuilder]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2022-11-18 18:41:24,605 INFO L895 garLoopResultBuilder]: At program point L465(lines 420 467) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-18 18:41:24,606 INFO L895 garLoopResultBuilder]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-18 18:41:24,606 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 18:41:24,606 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 18:41:24,606 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 18:41:24,606 INFO L895 garLoopResultBuilder]: At program point L858(lines 854 860) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-18 18:41:24,606 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-11-18 18:41:24,606 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2022-11-18 18:41:24,607 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-11-18 18:41:24,607 INFO L895 garLoopResultBuilder]: At program point L458-2(lines 450 463) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-18 18:41:24,607 INFO L899 garLoopResultBuilder]: For program point L421(lines 420 467) no Hoare annotation was computed. [2022-11-18 18:41:24,607 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 463) no Hoare annotation was computed. [2022-11-18 18:41:24,607 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 18:41:24,607 INFO L902 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-11-18 18:41:24,608 INFO L895 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-18 18:41:24,608 INFO L902 garLoopResultBuilder]: At program point L471(lines 410 475) the Hoare annotation is: true [2022-11-18 18:41:24,608 INFO L902 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-11-18 18:41:24,608 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 436) no Hoare annotation was computed. [2022-11-18 18:41:24,608 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2022-11-18 18:41:24,608 INFO L899 garLoopResultBuilder]: For program point L422(lines 422 426) no Hoare annotation was computed. [2022-11-18 18:41:24,609 INFO L895 garLoopResultBuilder]: At program point L406(lines 401 408) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-18 18:41:24,609 INFO L895 garLoopResultBuilder]: At program point L468(lines 419 469) the Hoare annotation is: false [2022-11-18 18:41:24,609 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-18 18:41:24,609 INFO L895 garLoopResultBuilder]: At program point L873(lines 868 876) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-18 18:41:24,609 INFO L899 garLoopResultBuilder]: For program point L176-1(lines 172 183) no Hoare annotation was computed. [2022-11-18 18:41:24,610 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 172 183) no Hoare annotation was computed. [2022-11-18 18:41:24,610 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 172 183) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)))) [2022-11-18 18:41:24,618 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-18 18:41:24,620 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:41:24,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:41:24 BoogieIcfgContainer [2022-11-18 18:41:24,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:41:24,671 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:41:24,671 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:41:24,671 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:41:24,672 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:41:19" (3/4) ... [2022-11-18 18:41:24,675 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:41:24,683 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-18 18:41:24,683 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-18 18:41:24,684 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-18 18:41:24,684 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-18 18:41:24,684 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-18 18:41:24,694 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-18 18:41:24,694 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 18:41:24,695 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 18:41:24,695 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:41:24,696 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:41:24,728 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-18 18:41:24,728 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-18 18:41:24,729 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive)) [2022-11-18 18:41:24,730 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-11-18 18:41:24,732 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) [2022-11-18 18:41:24,733 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive)) [2022-11-18 18:41:24,733 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) || 0 == systemActive) [2022-11-18 18:41:24,734 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-11-18 18:41:24,735 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && waterLevel == 1)) || !(\old(waterLevel) == 1)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-18 18:41:24,735 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-11-18 18:41:24,735 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-11-18 18:41:24,736 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-11-18 18:41:24,736 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive [2022-11-18 18:41:24,775 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:41:24,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:41:24,777 INFO L158 Benchmark]: Toolchain (without parser) took 6162.93ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 75.9MB in the beginning and 40.2MB in the end (delta: 35.7MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2022-11-18 18:41:24,777 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:41:24,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.07ms. Allocated memory is still 104.9MB. Free memory was 75.7MB in the beginning and 74.8MB in the end (delta: 849.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 18:41:24,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.32ms. Allocated memory is still 104.9MB. Free memory was 74.8MB in the beginning and 72.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 18:41:24,778 INFO L158 Benchmark]: Boogie Preprocessor took 41.78ms. Allocated memory is still 104.9MB. Free memory was 72.9MB in the beginning and 71.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:41:24,779 INFO L158 Benchmark]: RCFGBuilder took 607.45ms. Allocated memory is still 104.9MB. Free memory was 71.3MB in the beginning and 57.1MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 18:41:24,779 INFO L158 Benchmark]: TraceAbstraction took 4788.35ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 56.3MB in the beginning and 45.4MB in the end (delta: 10.9MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2022-11-18 18:41:24,780 INFO L158 Benchmark]: Witness Printer took 104.80ms. Allocated memory is still 127.9MB. Free memory was 45.4MB in the beginning and 40.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 18:41:24,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.07ms. Allocated memory is still 104.9MB. Free memory was 75.7MB in the beginning and 74.8MB in the end (delta: 849.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.32ms. Allocated memory is still 104.9MB. Free memory was 74.8MB in the beginning and 72.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.78ms. Allocated memory is still 104.9MB. Free memory was 72.9MB in the beginning and 71.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 607.45ms. Allocated memory is still 104.9MB. Free memory was 71.3MB in the beginning and 57.1MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4788.35ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 56.3MB in the beginning and 45.4MB in the end (delta: 10.9MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Witness Printer took 104.80ms. Allocated memory is still 127.9MB. Free memory was 45.4MB in the beginning and 40.2MB in the end (delta: 5.2MB). 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: 882]: 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 6 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 405 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 402 mSDsluCounter, 1118 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 748 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 300 IncrementalHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 370 mSDtfsCounter, 300 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 136 SyntacticMatches, 5 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 227 PreInvPairs, 249 NumberOfFragments, 603 HoareAnnotationTreeSize, 227 FomulaSimplifications, 105 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 474 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 301 ConstructedInterpolants, 0 QuantifiedInterpolants, 760 SizeOfPredicates, 0 NumberOfNonLiveVariables, 234 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 66/72 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: 861]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && waterLevel == 1)) || !(\old(waterLevel) == 1)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(\result == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(\result == 0)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && !(\result == 0)) && waterLevel == 1)) || 0 == systemActive) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || 0 == systemActive RESULT: Ultimate proved your program to be correct! [2022-11-18 18:41:24,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9acf6b78-f526-406e-ab94-9050b862e7ab/bin/uautomizer-TMbwUNV5ro/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