./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN --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 95fb667c50ce40c1d7afa8c63adccd31fb19279643632f3d92a2ca85ced3f32b --- 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-6b4ec56 [2022-11-20 11:32:17,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:32:17,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:32:17,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:32:17,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:32:17,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:32:17,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:32:17,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:32:17,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:32:17,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:32:17,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:32:17,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:32:17,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:32:17,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:32:17,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:32:17,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:32:17,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:32:17,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:32:17,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:32:17,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:32:17,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:32:17,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:32:17,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:32:17,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:32:17,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:32:17,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:32:17,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:32:17,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:32:17,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:32:17,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:32:17,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:32:17,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:32:17,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:32:17,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:32:17,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:32:17,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:32:17,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:32:17,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:32:17,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:32:17,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:32:17,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:32:17,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 11:32:17,389 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:32:17,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:32:17,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:32:17,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:32:17,395 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:32:17,396 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:32:17,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:32:17,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:32:17,397 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:32:17,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:32:17,398 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:32:17,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:32:17,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:32:17,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:32:17,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:32:17,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:32:17,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:32:17,400 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:32:17,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:32:17,400 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:32:17,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:32:17,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:32:17,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:32:17,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:32:17,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:32:17,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:32:17,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:32:17,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:32:17,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:32:17,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:32:17,404 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:32:17,405 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:32:17,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:32:17,405 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_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95fb667c50ce40c1d7afa8c63adccd31fb19279643632f3d92a2ca85ced3f32b [2022-11-20 11:32:17,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:32:17,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:32:17,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:32:17,734 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:32:17,735 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:32:17,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2022-11-20 11:32:21,036 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:32:21,260 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:32:21,261 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44f6d0b-efb0-4641-941b-1276b6c3cb19/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2022-11-20 11:32:21,272 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN/data/097a380de/6ca0ea6686754eaeb304b79e213a48a7/FLAG9e5e98db4 [2022-11-20 11:32:21,287 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN/data/097a380de/6ca0ea6686754eaeb304b79e213a48a7 [2022-11-20 11:32:21,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:32:21,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:32:21,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:32:21,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:32:21,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:32:21,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:21" (1/1) ... [2022-11-20 11:32:21,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69eb0aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:21, skipping insertion in model container [2022-11-20 11:32:21,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:21" (1/1) ... [2022-11-20 11:32:21,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:32:21,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:32:21,552 WARN L237 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_a44f6d0b-efb0-4641-941b-1276b6c3cb19/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c[3350,3363] [2022-11-20 11:32:21,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:32:21,652 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:32:21,672 WARN L237 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_a44f6d0b-efb0-4641-941b-1276b6c3cb19/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c[3350,3363] [2022-11-20 11:32:21,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:32:21,733 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:32:21,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:21 WrapperNode [2022-11-20 11:32:21,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:32:21,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:32:21,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:32:21,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:32:21,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:21" (1/1) ... [2022-11-20 11:32:21,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:21" (1/1) ... [2022-11-20 11:32:21,789 INFO L138 Inliner]: procedures = 51, calls = 94, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 160 [2022-11-20 11:32:21,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:32:21,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:32:21,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:32:21,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:32:21,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:21" (1/1) ... [2022-11-20 11:32:21,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:21" (1/1) ... [2022-11-20 11:32:21,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:21" (1/1) ... [2022-11-20 11:32:21,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:21" (1/1) ... [2022-11-20 11:32:21,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:21" (1/1) ... [2022-11-20 11:32:21,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:21" (1/1) ... [2022-11-20 11:32:21,812 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:21" (1/1) ... [2022-11-20 11:32:21,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:21" (1/1) ... [2022-11-20 11:32:21,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:32:21,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:32:21,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:32:21,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:32:21,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:21" (1/1) ... [2022-11-20 11:32:21,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:32:21,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:32:21,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:32:21,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:32:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:32:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 11:32:21,947 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 11:32:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 11:32:21,948 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 11:32:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 11:32:21,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 11:32:21,951 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 11:32:21,952 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 11:32:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-20 11:32:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-20 11:32:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:32:21,953 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 11:32:21,953 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 11:32:21,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:32:21,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:32:22,048 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:32:22,050 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:32:22,379 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:32:22,392 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:32:22,393 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 11:32:22,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:22 BoogieIcfgContainer [2022-11-20 11:32:22,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:32:22,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:32:22,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:32:22,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:32:22,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:32:21" (1/3) ... [2022-11-20 11:32:22,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7444cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:22, skipping insertion in model container [2022-11-20 11:32:22,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:21" (2/3) ... [2022-11-20 11:32:22,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e7444cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:22, skipping insertion in model container [2022-11-20 11:32:22,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:22" (3/3) ... [2022-11-20 11:32:22,405 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2022-11-20 11:32:22,436 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:32:22,436 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:32:22,490 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:32:22,497 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;@4707adcb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:32:22,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:32:22,502 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 63 states have internal predecessors, (78), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 11:32:22,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 11:32:22,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:32:22,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:32:22,511 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:32:22,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:32:22,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1246843104, now seen corresponding path program 1 times [2022-11-20 11:32:22,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:32:22,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72447717] [2022-11-20 11:32:22,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:32:22,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:32:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:32:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:32:22,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:32:22,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72447717] [2022-11-20 11:32:22,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72447717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:32:22,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:32:22,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:32:22,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929606037] [2022-11-20 11:32:22,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:32:22,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 11:32:22,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:32:22,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 11:32:22,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:32:22,822 INFO L87 Difference]: Start difference. First operand has 74 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 63 states have internal predecessors, (78), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) 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) [2022-11-20 11:32:22,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:32:22,886 INFO L93 Difference]: Finished difference Result 140 states and 191 transitions. [2022-11-20 11:32:22,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 11:32:22,888 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 [2022-11-20 11:32:22,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:32:22,903 INFO L225 Difference]: With dead ends: 140 [2022-11-20 11:32:22,907 INFO L226 Difference]: Without dead ends: 65 [2022-11-20 11:32:22,914 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 [2022-11-20 11:32:22,918 INFO L413 NwaCegarLoop]: 92 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, 92 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 [2022-11-20 11:32:22,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:32:22,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-20 11:32:22,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-11-20 11:32:22,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 55 states have internal predecessors, (64), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-20 11:32:22,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 83 transitions. [2022-11-20 11:32:22,978 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 83 transitions. Word has length 19 [2022-11-20 11:32:22,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:32:22,980 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 83 transitions. [2022-11-20 11:32:22,981 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) [2022-11-20 11:32:22,981 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2022-11-20 11:32:22,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 11:32:22,985 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:32:22,985 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] [2022-11-20 11:32:22,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:32:22,987 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:32:22,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:32:22,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1272311586, now seen corresponding path program 1 times [2022-11-20 11:32:22,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:32:22,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797192261] [2022-11-20 11:32:22,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:32:22,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:32:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:32:23,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:32:23,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:32:23,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797192261] [2022-11-20 11:32:23,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797192261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:32:23,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:32:23,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:32:23,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610773771] [2022-11-20 11:32:23,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:32:23,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:32:23,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:32:23,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:32:23,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:32:23,183 INFO L87 Difference]: Start difference. First operand 65 states and 83 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) [2022-11-20 11:32:23,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:32:23,201 INFO L93 Difference]: Finished difference Result 92 states and 116 transitions. [2022-11-20 11:32:23,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:32:23,202 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 [2022-11-20 11:32:23,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:32:23,203 INFO L225 Difference]: With dead ends: 92 [2022-11-20 11:32:23,203 INFO L226 Difference]: Without dead ends: 56 [2022-11-20 11:32:23,204 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 [2022-11-20 11:32:23,205 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 16 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 119 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 [2022-11-20 11:32:23,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 119 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:32:23,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-20 11:32:23,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-20 11:32:23,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 49 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-20 11:32:23,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2022-11-20 11:32:23,215 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 20 [2022-11-20 11:32:23,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:32:23,216 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2022-11-20 11:32:23,216 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) [2022-11-20 11:32:23,216 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-11-20 11:32:23,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 11:32:23,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:32:23,217 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] [2022-11-20 11:32:23,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:32:23,218 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:32:23,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:32:23,219 INFO L85 PathProgramCache]: Analyzing trace with hash 367213108, now seen corresponding path program 1 times [2022-11-20 11:32:23,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:32:23,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382964171] [2022-11-20 11:32:23,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:32:23,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:32:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:32:23,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:32:23,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:32:23,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382964171] [2022-11-20 11:32:23,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382964171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:32:23,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:32:23,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:32:23,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016617729] [2022-11-20 11:32:23,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:32:23,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:32:23,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:32:23,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:32:23,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:32:23,515 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2022-11-20 11:32:23,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:32:23,685 INFO L93 Difference]: Finished difference Result 191 states and 250 transitions. [2022-11-20 11:32:23,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:32:23,686 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 24 [2022-11-20 11:32:23,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:32:23,688 INFO L225 Difference]: With dead ends: 191 [2022-11-20 11:32:23,688 INFO L226 Difference]: Without dead ends: 142 [2022-11-20 11:32:23,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:32:23,690 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 189 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:32:23,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 335 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:32:23,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-20 11:32:23,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 136. [2022-11-20 11:32:23,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 103 states have (on average 1.3689320388349515) internal successors, (141), 117 states have internal predecessors, (141), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (19), 12 states have call predecessors, (19), 18 states have call successors, (19) [2022-11-20 11:32:23,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 178 transitions. [2022-11-20 11:32:23,717 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 178 transitions. Word has length 24 [2022-11-20 11:32:23,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:32:23,718 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 178 transitions. [2022-11-20 11:32:23,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2022-11-20 11:32:23,718 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 178 transitions. [2022-11-20 11:32:23,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 11:32:23,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:32:23,720 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] [2022-11-20 11:32:23,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:32:23,720 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:32:23,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:32:23,721 INFO L85 PathProgramCache]: Analyzing trace with hash 363472064, now seen corresponding path program 1 times [2022-11-20 11:32:23,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:32:23,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802624278] [2022-11-20 11:32:23,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:32:23,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:32:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:32:23,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 11:32:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:32:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:32:23,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:32:23,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802624278] [2022-11-20 11:32:23,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802624278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:32:23,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:32:23,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:32:23,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318533072] [2022-11-20 11:32:23,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:32:23,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:32:23,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:32:23,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:32:23,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:32:23,960 INFO L87 Difference]: Start difference. First operand 136 states and 178 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-11-20 11:32:24,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:32:24,033 INFO L93 Difference]: Finished difference Result 377 states and 515 transitions. [2022-11-20 11:32:24,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:32:24,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 29 [2022-11-20 11:32:24,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:32:24,037 INFO L225 Difference]: With dead ends: 377 [2022-11-20 11:32:24,038 INFO L226 Difference]: Without dead ends: 248 [2022-11-20 11:32:24,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:32:24,041 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 44 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:32:24,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 280 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:32:24,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-20 11:32:24,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2022-11-20 11:32:24,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 186 states have (on average 1.3440860215053763) internal successors, (250), 210 states have internal predecessors, (250), 36 states have call successors, (36), 28 states have call predecessors, (36), 25 states have return successors, (42), 21 states have call predecessors, (42), 36 states have call successors, (42) [2022-11-20 11:32:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 328 transitions. [2022-11-20 11:32:24,083 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 328 transitions. Word has length 29 [2022-11-20 11:32:24,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:32:24,083 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 328 transitions. [2022-11-20 11:32:24,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-11-20 11:32:24,084 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 328 transitions. [2022-11-20 11:32:24,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 11:32:24,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:32:24,086 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, 1] [2022-11-20 11:32:24,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:32:24,087 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:32:24,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:32:24,088 INFO L85 PathProgramCache]: Analyzing trace with hash 814426714, now seen corresponding path program 1 times [2022-11-20 11:32:24,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:32:24,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940600096] [2022-11-20 11:32:24,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:32:24,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:32:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:32:24,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:32:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:32:24,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:32:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:32:24,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:32:24,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:32:24,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940600096] [2022-11-20 11:32:24,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940600096] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:32:24,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:32:24,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:32:24,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898324660] [2022-11-20 11:32:24,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:32:24,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:32:24,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:32:24,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:32:24,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:32:24,220 INFO L87 Difference]: Start difference. First operand 248 states and 328 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:32:24,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:32:24,359 INFO L93 Difference]: Finished difference Result 449 states and 603 transitions. [2022-11-20 11:32:24,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:32:24,360 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-20 11:32:24,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:32:24,361 INFO L225 Difference]: With dead ends: 449 [2022-11-20 11:32:24,362 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 11:32:24,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:32:24,377 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 50 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:32:24,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 143 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:32:24,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 11:32:24,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 11:32:24,385 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) [2022-11-20 11:32:24,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 11:32:24,386 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2022-11-20 11:32:24,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:32:24,386 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:32:24,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:32:24,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:32:24,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 11:32:24,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:32:24,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:32:24,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 11:32:25,135 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 813 820) the Hoare annotation is: true [2022-11-20 11:32:25,135 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 813 820) no Hoare annotation was computed. [2022-11-20 11:32:25,136 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 813 820) no Hoare annotation was computed. [2022-11-20 11:32:25,136 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 772 778) no Hoare annotation was computed. [2022-11-20 11:32:25,136 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 772 778) the Hoare annotation is: true [2022-11-20 11:32:25,136 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 228 239) the Hoare annotation is: true [2022-11-20 11:32:25,136 INFO L899 garLoopResultBuilder]: For program point L232-1(lines 228 239) no Hoare annotation was computed. [2022-11-20 11:32:25,136 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 228 239) no Hoare annotation was computed. [2022-11-20 11:32:25,137 INFO L895 garLoopResultBuilder]: At program point L799(line 799) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2022-11-20 11:32:25,137 INFO L895 garLoopResultBuilder]: At program point L799-1(lines 780 804) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2022-11-20 11:32:25,137 INFO L895 garLoopResultBuilder]: At program point L828(lines 821 831) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 11:32:25,137 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 748 771) no Hoare annotation was computed. [2022-11-20 11:32:25,138 INFO L895 garLoopResultBuilder]: At program point L837(lines 832 840) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1))))) [2022-11-20 11:32:25,138 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-11-20 11:32:25,138 INFO L899 garLoopResultBuilder]: For program point L759-1(lines 759 765) no Hoare annotation was computed. [2022-11-20 11:32:25,138 INFO L899 garLoopResultBuilder]: For program point L788(lines 788 796) no Hoare annotation was computed. [2022-11-20 11:32:25,138 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 801) no Hoare annotation was computed. [2022-11-20 11:32:25,138 INFO L895 garLoopResultBuilder]: At program point L194(lines 189 196) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 11:32:25,139 INFO L895 garLoopResultBuilder]: At program point L277(lines 272 280) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= |timeShift_getWaterLevel_#res#1| 1)))) [2022-11-20 11:32:25,139 INFO L899 garLoopResultBuilder]: For program point L752-1(lines 751 770) no Hoare annotation was computed. [2022-11-20 11:32:25,139 INFO L895 garLoopResultBuilder]: At program point L794(line 794) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 11:32:25,139 INFO L895 garLoopResultBuilder]: At program point L790(line 790) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 11:32:25,139 INFO L895 garLoopResultBuilder]: At program point L245(lines 240 248) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 11:32:25,139 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 212) no Hoare annotation was computed. [2022-11-20 11:32:25,140 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 748 771) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2022-11-20 11:32:25,140 INFO L895 garLoopResultBuilder]: At program point L208-2(lines 204 215) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 11:32:25,140 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 748 771) no Hoare annotation was computed. [2022-11-20 11:32:25,140 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2022-11-20 11:32:25,140 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 301) no Hoare annotation was computed. [2022-11-20 11:32:25,140 INFO L899 garLoopResultBuilder]: For program point L291(lines 291 304) no Hoare annotation was computed. [2022-11-20 11:32:25,141 INFO L895 garLoopResultBuilder]: At program point L291-1(lines 283 307) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~1#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))))) [2022-11-20 11:32:25,141 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2022-11-20 11:32:25,141 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 90 119) no Hoare annotation was computed. [2022-11-20 11:32:25,141 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2022-11-20 11:32:25,141 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 90 119) the Hoare annotation is: true [2022-11-20 11:32:25,141 INFO L902 garLoopResultBuilder]: At program point L115(lines 90 119) the Hoare annotation is: true [2022-11-20 11:32:25,141 INFO L899 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-11-20 11:32:25,142 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2022-11-20 11:32:25,142 INFO L902 garLoopResultBuilder]: At program point L104-1(lines 104 108) the Hoare annotation is: true [2022-11-20 11:32:25,142 INFO L899 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2022-11-20 11:32:25,142 INFO L902 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: true [2022-11-20 11:32:25,142 INFO L902 garLoopResultBuilder]: At program point L737(lines 676 741) the Hoare annotation is: true [2022-11-20 11:32:25,142 INFO L899 garLoopResultBuilder]: For program point L696(lines 696 702) no Hoare annotation was computed. [2022-11-20 11:32:25,142 INFO L902 garLoopResultBuilder]: At program point L184(lines 165 187) the Hoare annotation is: true [2022-11-20 11:32:25,143 INFO L895 garLoopResultBuilder]: At program point L151(lines 147 153) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 11:32:25,143 INFO L899 garLoopResultBuilder]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2022-11-20 11:32:25,143 INFO L899 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2022-11-20 11:32:25,143 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 11:32:25,143 INFO L895 garLoopResultBuilder]: At program point L734(lines 685 735) the Hoare annotation is: false [2022-11-20 11:32:25,143 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 11:32:25,143 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 11:32:25,144 INFO L895 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: false [2022-11-20 11:32:25,144 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2022-11-20 11:32:25,144 INFO L895 garLoopResultBuilder]: At program point L722-2(lines 716 729) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 11:32:25,144 INFO L899 garLoopResultBuilder]: For program point L706(lines 706 712) no Hoare annotation was computed. [2022-11-20 11:32:25,144 INFO L899 garLoopResultBuilder]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2022-11-20 11:32:25,144 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 11:32:25,144 INFO L895 garLoopResultBuilder]: At program point L731(lines 686 733) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 11:32:25,145 INFO L895 garLoopResultBuilder]: At program point L698(line 698) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 11:32:25,145 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 11:32:25,145 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 11:32:25,145 INFO L902 garLoopResultBuilder]: At program point L162(lines 155 164) the Hoare annotation is: true [2022-11-20 11:32:25,145 INFO L895 garLoopResultBuilder]: At program point L889(lines 877 891) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 11:32:25,145 INFO L899 garLoopResultBuilder]: For program point L881(lines 881 887) no Hoare annotation was computed. [2022-11-20 11:32:25,146 INFO L899 garLoopResultBuilder]: For program point L881-1(lines 881 887) no Hoare annotation was computed. [2022-11-20 11:32:25,146 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 182) no Hoare annotation was computed. [2022-11-20 11:32:25,146 INFO L899 garLoopResultBuilder]: For program point L687(lines 686 733) no Hoare annotation was computed. [2022-11-20 11:32:25,146 INFO L899 garLoopResultBuilder]: For program point L175-2(lines 175 182) no Hoare annotation was computed. [2022-11-20 11:32:25,146 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 729) no Hoare annotation was computed. [2022-11-20 11:32:25,146 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 11:32:25,146 INFO L895 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 11:32:25,147 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 216 227) no Hoare annotation was computed. [2022-11-20 11:32:25,147 INFO L899 garLoopResultBuilder]: For program point L220-1(lines 216 227) no Hoare annotation was computed. [2022-11-20 11:32:25,147 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 216 227) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2022-11-20 11:32:25,156 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-20 11:32:25,159 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:32:25,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:32:25 BoogieIcfgContainer [2022-11-20 11:32:25,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:32:25,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:32:25,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:32:25,194 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:32:25,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:22" (3/4) ... [2022-11-20 11:32:25,198 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:32:25,204 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-20 11:32:25,204 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 11:32:25,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 11:32:25,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 11:32:25,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 11:32:25,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 11:32:25,214 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-20 11:32:25,215 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 11:32:25,215 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 11:32:25,216 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:32:25,216 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:32:25,250 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-20 11:32:25,250 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-20 11:32:25,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-20 11:32:25,251 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive)) [2022-11-20 11:32:25,252 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) [2022-11-20 11:32:25,252 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-20 11:32:25,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) [2022-11-20 11:32:25,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-20 11:32:25,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) [2022-11-20 11:32:25,253 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-20 11:32:25,273 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:32:25,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:32:25,273 INFO L158 Benchmark]: Toolchain (without parser) took 3982.57ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 99.2MB in the beginning and 71.4MB in the end (delta: 27.8MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. [2022-11-20 11:32:25,274 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:32:25,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.06ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 80.9MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 11:32:25,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.49ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 78.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:32:25,275 INFO L158 Benchmark]: Boogie Preprocessor took 25.26ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 77.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:32:25,275 INFO L158 Benchmark]: RCFGBuilder took 578.99ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 77.3MB in the beginning and 162.2MB in the end (delta: -84.9MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2022-11-20 11:32:25,275 INFO L158 Benchmark]: TraceAbstraction took 2796.06ms. Allocated memory is still 190.8MB. Free memory was 161.5MB in the beginning and 75.6MB in the end (delta: 85.9MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. [2022-11-20 11:32:25,276 INFO L158 Benchmark]: Witness Printer took 78.95ms. Allocated memory is still 190.8MB. Free memory was 75.6MB in the beginning and 71.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 11:32:25,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 142.6MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.06ms. Allocated memory is still 142.6MB. Free memory was 98.9MB in the beginning and 80.9MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.49ms. Allocated memory is still 142.6MB. Free memory was 80.9MB in the beginning and 78.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.26ms. Allocated memory is still 142.6MB. Free memory was 78.8MB in the beginning and 77.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 578.99ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 77.3MB in the beginning and 162.2MB in the end (delta: -84.9MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2796.06ms. Allocated memory is still 190.8MB. Free memory was 161.5MB in the beginning and 75.6MB in the end (delta: 85.9MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. * Witness Printer took 78.95ms. Allocated memory is still 190.8MB. Free memory was 75.6MB in the beginning and 71.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 304 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 299 mSDsluCounter, 969 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 606 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 363 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 352 PreInvPairs, 418 NumberOfFragments, 252 HoareAnnotationTreeSize, 352 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 35 FomulaSimplificationsInter, 1653 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive)) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 11:32:25,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a44f6d0b-efb0-4641-941b-1276b6c3cb19/bin/uautomizer-ug76WZFUDN/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