./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc --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 03daf3415808298ae6016bdc33e04662b3dd63f1cba0029f4033bbf040a042d2 --- 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-5e519f3 [2022-11-02 20:41:30,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:41:30,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:41:30,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:41:30,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:41:30,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:41:30,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:41:30,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:41:30,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:41:30,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:41:30,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:41:30,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:41:30,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:41:30,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:41:30,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:41:30,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:41:30,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:41:30,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:41:30,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:41:30,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:41:30,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:41:30,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:41:30,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:41:30,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:41:30,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:41:30,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:41:30,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:41:30,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:41:30,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:41:30,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:41:30,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:41:30,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:41:30,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:41:30,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:41:30,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:41:30,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:41:30,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:41:30,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:41:30,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:41:30,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:41:30,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:41:30,578 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:41:30,625 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:41:30,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:41:30,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:41:30,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:41:30,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:41:30,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:41:30,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:41:30,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:41:30,632 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:41:30,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:41:30,634 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:41:30,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:41:30,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:41:30,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:41:30,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:41:30,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:41:30,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:41:30,636 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:41:30,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:41:30,636 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:41:30,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:41:30,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:41:30,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:41:30,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:41:30,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:41:30,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:41:30,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:41:30,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:41:30,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:41:30,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:41:30,641 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:41:30,641 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:41:30,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:41:30,642 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_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03daf3415808298ae6016bdc33e04662b3dd63f1cba0029f4033bbf040a042d2 [2022-11-02 20:41:30,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:41:30,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:41:30,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:41:30,989 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:41:30,990 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:41:30,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2022-11-02 20:41:31,068 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/data/7f141ed8d/0a1657a2cc164847b56995a0f9675819/FLAG03101d885 [2022-11-02 20:41:31,653 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:41:31,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2022-11-02 20:41:31,666 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/data/7f141ed8d/0a1657a2cc164847b56995a0f9675819/FLAG03101d885 [2022-11-02 20:41:31,951 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/data/7f141ed8d/0a1657a2cc164847b56995a0f9675819 [2022-11-02 20:41:31,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:41:31,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:41:31,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:41:31,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:41:31,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:41:31,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:41:31" (1/1) ... [2022-11-02 20:41:31,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33edae59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:31, skipping insertion in model container [2022-11-02 20:41:31,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:41:31" (1/1) ... [2022-11-02 20:41:31,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:41:32,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:41:32,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c[17338,17351] [2022-11-02 20:41:32,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:41:32,425 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:41:32,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c[17338,17351] [2022-11-02 20:41:32,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:41:32,530 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:41:32,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:32 WrapperNode [2022-11-02 20:41:32,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:41:32,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:41:32,532 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:41:32,532 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:41:32,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:32" (1/1) ... [2022-11-02 20:41:32,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:32" (1/1) ... [2022-11-02 20:41:32,584 INFO L138 Inliner]: procedures = 58, calls = 161, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 289 [2022-11-02 20:41:32,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:41:32,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:41:32,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:41:32,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:41:32,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:32" (1/1) ... [2022-11-02 20:41:32,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:32" (1/1) ... [2022-11-02 20:41:32,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:32" (1/1) ... [2022-11-02 20:41:32,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:32" (1/1) ... [2022-11-02 20:41:32,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:32" (1/1) ... [2022-11-02 20:41:32,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:32" (1/1) ... [2022-11-02 20:41:32,611 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:32" (1/1) ... [2022-11-02 20:41:32,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:32" (1/1) ... [2022-11-02 20:41:32,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:41:32,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:41:32,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:41:32,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:41:32,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:32" (1/1) ... [2022-11-02 20:41:32,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:41:32,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:41:32,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:41:32,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:41:32,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:41:32,727 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-02 20:41:32,728 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-02 20:41:32,728 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:41:32,728 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:41:32,728 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:41:32,728 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:41:32,728 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:41:32,729 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:41:32,730 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:41:32,730 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:41:32,731 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-02 20:41:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-02 20:41:32,731 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-02 20:41:32,731 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-02 20:41:32,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:41:32,731 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:41:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:41:32,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:41:32,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:41:32,824 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:41:32,826 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:41:33,291 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:41:33,298 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:41:33,299 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:41:33,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:33 BoogieIcfgContainer [2022-11-02 20:41:33,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:41:33,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:41:33,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:41:33,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:41:33,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:41:31" (1/3) ... [2022-11-02 20:41:33,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebb880c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:41:33, skipping insertion in model container [2022-11-02 20:41:33,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:32" (2/3) ... [2022-11-02 20:41:33,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebb880c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:41:33, skipping insertion in model container [2022-11-02 20:41:33,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:33" (3/3) ... [2022-11-02 20:41:33,317 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2022-11-02 20:41:33,339 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:41:33,339 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:41:33,409 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:41:33,416 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;@5412a887, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:41:33,417 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:41:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 86 states have internal predecessors, (104), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-02 20:41:33,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-02 20:41:33,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:33,435 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:33,436 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:33,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:33,452 INFO L85 PathProgramCache]: Analyzing trace with hash 975776348, now seen corresponding path program 1 times [2022-11-02 20:41:33,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:33,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077049032] [2022-11-02 20:41:33,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:33,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:33,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:33,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:33,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077049032] [2022-11-02 20:41:33,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077049032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:33,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:33,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:41:33,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597070023] [2022-11-02 20:41:33,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:33,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:41:33,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:33,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:41:33,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:41:33,763 INFO L87 Difference]: Start difference. First operand has 100 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 86 states have internal predecessors, (104), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) 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) [2022-11-02 20:41:33,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:33,804 INFO L93 Difference]: Finished difference Result 192 states and 263 transitions. [2022-11-02 20:41:33,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:41:33,807 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 [2022-11-02 20:41:33,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:33,817 INFO L225 Difference]: With dead ends: 192 [2022-11-02 20:41:33,818 INFO L226 Difference]: Without dead ends: 91 [2022-11-02 20:41:33,822 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 [2022-11-02 20:41:33,825 INFO L413 NwaCegarLoop]: 128 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, 128 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 [2022-11-02 20:41:33,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:41:33,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-02 20:41:33,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-02 20:41:33,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 78 states have internal predecessors, (90), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-02 20:41:33,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-11-02 20:41:33,875 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 19 [2022-11-02 20:41:33,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:33,876 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-11-02 20:41:33,876 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) [2022-11-02 20:41:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-02 20:41:33,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-02 20:41:33,879 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:33,879 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] [2022-11-02 20:41:33,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:41:33,880 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:33,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:33,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1543378342, now seen corresponding path program 1 times [2022-11-02 20:41:33,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:33,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073300323] [2022-11-02 20:41:33,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:33,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:34,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:34,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073300323] [2022-11-02 20:41:34,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073300323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:34,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:34,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:41:34,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417784440] [2022-11-02 20:41:34,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:34,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:41:34,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:34,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:41:34,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:41:34,088 INFO L87 Difference]: Start difference. First operand 91 states and 119 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) [2022-11-02 20:41:34,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:34,109 INFO L93 Difference]: Finished difference Result 143 states and 187 transitions. [2022-11-02 20:41:34,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:41:34,110 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 [2022-11-02 20:41:34,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:34,111 INFO L225 Difference]: With dead ends: 143 [2022-11-02 20:41:34,112 INFO L226 Difference]: Without dead ends: 82 [2022-11-02 20:41:34,113 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 [2022-11-02 20:41:34,114 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 190 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 [2022-11-02 20:41:34,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:41:34,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-02 20:41:34,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-02 20:41:34,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 72 states have internal predecessors, (83), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-02 20:41:34,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 107 transitions. [2022-11-02 20:41:34,128 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 107 transitions. Word has length 20 [2022-11-02 20:41:34,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:34,128 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 107 transitions. [2022-11-02 20:41:34,129 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) [2022-11-02 20:41:34,129 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 107 transitions. [2022-11-02 20:41:34,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-02 20:41:34,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:34,130 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] [2022-11-02 20:41:34,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:41:34,131 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:34,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:34,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1300509367, now seen corresponding path program 1 times [2022-11-02 20:41:34,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:34,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226458530] [2022-11-02 20:41:34,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:34,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:34,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:34,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226458530] [2022-11-02 20:41:34,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226458530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:34,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:34,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:41:34,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443819215] [2022-11-02 20:41:34,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:34,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:41:34,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:34,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:41:34,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:41:34,284 INFO L87 Difference]: Start difference. First operand 82 states and 107 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) [2022-11-02 20:41:34,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:34,442 INFO L93 Difference]: Finished difference Result 195 states and 258 transitions. [2022-11-02 20:41:34,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:41:34,447 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 [2022-11-02 20:41:34,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:34,449 INFO L225 Difference]: With dead ends: 195 [2022-11-02 20:41:34,449 INFO L226 Difference]: Without dead ends: 120 [2022-11-02 20:41:34,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:41:34,452 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 170 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:34,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 341 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:41:34,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-02 20:41:34,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2022-11-02 20:41:34,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 102 states have internal predecessors, (121), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (17), 10 states have call predecessors, (17), 16 states have call successors, (17) [2022-11-02 20:41:34,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 154 transitions. [2022-11-02 20:41:34,488 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 154 transitions. Word has length 25 [2022-11-02 20:41:34,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:34,489 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 154 transitions. [2022-11-02 20:41:34,489 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) [2022-11-02 20:41:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 154 transitions. [2022-11-02 20:41:34,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-02 20:41:34,495 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:34,495 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] [2022-11-02 20:41:34,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:41:34,496 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:34,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:34,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1710585576, now seen corresponding path program 1 times [2022-11-02 20:41:34,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:34,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619714919] [2022-11-02 20:41:34,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:34,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:34,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:34,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619714919] [2022-11-02 20:41:34,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619714919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:34,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:34,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:41:34,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385821466] [2022-11-02 20:41:34,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:34,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:41:34,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:34,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:41:34,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:41:34,753 INFO L87 Difference]: Start difference. First operand 117 states and 154 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2022-11-02 20:41:34,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:34,848 INFO L93 Difference]: Finished difference Result 325 states and 449 transitions. [2022-11-02 20:41:34,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:41:34,849 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 28 [2022-11-02 20:41:34,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:34,851 INFO L225 Difference]: With dead ends: 325 [2022-11-02 20:41:34,852 INFO L226 Difference]: Without dead ends: 215 [2022-11-02 20:41:34,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:41:34,854 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 78 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:34,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 430 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:41:34,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2022-11-02 20:41:34,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2022-11-02 20:41:34,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 162 states have (on average 1.3395061728395061) internal successors, (217), 185 states have internal predecessors, (217), 32 states have call successors, (32), 22 states have call predecessors, (32), 20 states have return successors, (37), 18 states have call predecessors, (37), 32 states have call successors, (37) [2022-11-02 20:41:34,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 286 transitions. [2022-11-02 20:41:34,888 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 286 transitions. Word has length 28 [2022-11-02 20:41:34,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:34,888 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 286 transitions. [2022-11-02 20:41:34,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2022-11-02 20:41:34,889 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 286 transitions. [2022-11-02 20:41:34,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-02 20:41:34,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:34,891 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] [2022-11-02 20:41:34,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:41:34,892 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:34,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:34,893 INFO L85 PathProgramCache]: Analyzing trace with hash 298834221, now seen corresponding path program 1 times [2022-11-02 20:41:34,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:34,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978165731] [2022-11-02 20:41:34,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:34,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:34,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:34,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:34,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978165731] [2022-11-02 20:41:34,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978165731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:34,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:34,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:41:34,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287236014] [2022-11-02 20:41:34,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:34,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:41:34,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:34,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:41:34,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:41:34,964 INFO L87 Difference]: Start difference. First operand 215 states and 286 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2022-11-02 20:41:35,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:35,027 INFO L93 Difference]: Finished difference Result 473 states and 648 transitions. [2022-11-02 20:41:35,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:41:35,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 30 [2022-11-02 20:41:35,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:35,031 INFO L225 Difference]: With dead ends: 473 [2022-11-02 20:41:35,031 INFO L226 Difference]: Without dead ends: 265 [2022-11-02 20:41:35,033 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 [2022-11-02 20:41:35,034 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 59 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:35,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 181 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:41:35,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-11-02 20:41:35,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 261. [2022-11-02 20:41:35,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 201 states have (on average 1.2835820895522387) internal successors, (258), 216 states have internal predecessors, (258), 31 states have call successors, (31), 29 states have call predecessors, (31), 28 states have return successors, (47), 28 states have call predecessors, (47), 31 states have call successors, (47) [2022-11-02 20:41:35,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 336 transitions. [2022-11-02 20:41:35,079 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 336 transitions. Word has length 30 [2022-11-02 20:41:35,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:35,079 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 336 transitions. [2022-11-02 20:41:35,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2022-11-02 20:41:35,080 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 336 transitions. [2022-11-02 20:41:35,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-02 20:41:35,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:35,081 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] [2022-11-02 20:41:35,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:41:35,082 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:35,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:35,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1545723250, now seen corresponding path program 1 times [2022-11-02 20:41:35,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:35,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869427711] [2022-11-02 20:41:35,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:35,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:35,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:35,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869427711] [2022-11-02 20:41:35,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869427711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:35,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:35,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:41:35,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009753006] [2022-11-02 20:41:35,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:35,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:41:35,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:35,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:41:35,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:41:35,218 INFO L87 Difference]: Start difference. First operand 261 states and 336 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) [2022-11-02 20:41:35,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:35,582 INFO L93 Difference]: Finished difference Result 313 states and 403 transitions. [2022-11-02 20:41:35,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 20:41:35,584 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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 32 [2022-11-02 20:41:35,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:35,587 INFO L225 Difference]: With dead ends: 313 [2022-11-02 20:41:35,587 INFO L226 Difference]: Without dead ends: 311 [2022-11-02 20:41:35,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:41:35,589 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 141 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:35,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 355 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:41:35,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2022-11-02 20:41:35,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 294. [2022-11-02 20:41:35,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 226 states have (on average 1.2654867256637168) internal successors, (286), 247 states have internal predecessors, (286), 34 states have call successors, (34), 29 states have call predecessors, (34), 33 states have return successors, (57), 30 states have call predecessors, (57), 34 states have call successors, (57) [2022-11-02 20:41:35,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 377 transitions. [2022-11-02 20:41:35,636 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 377 transitions. Word has length 32 [2022-11-02 20:41:35,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:35,641 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 377 transitions. [2022-11-02 20:41:35,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) [2022-11-02 20:41:35,641 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 377 transitions. [2022-11-02 20:41:35,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-02 20:41:35,644 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:35,645 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:35,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:41:35,645 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:35,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:35,646 INFO L85 PathProgramCache]: Analyzing trace with hash -766960693, now seen corresponding path program 1 times [2022-11-02 20:41:35,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:35,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981984223] [2022-11-02 20:41:35,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:35,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:41:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:41:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:35,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:35,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981984223] [2022-11-02 20:41:35,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981984223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:35,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:35,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:41:35,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612602881] [2022-11-02 20:41:35,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:35,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:41:35,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:35,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:41:35,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:41:35,781 INFO L87 Difference]: Start difference. First operand 294 states and 377 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:41:36,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:36,233 INFO L93 Difference]: Finished difference Result 641 states and 835 transitions. [2022-11-02 20:41:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:41:36,234 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2022-11-02 20:41:36,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:36,240 INFO L225 Difference]: With dead ends: 641 [2022-11-02 20:41:36,240 INFO L226 Difference]: Without dead ends: 354 [2022-11-02 20:41:36,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:41:36,246 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 145 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:36,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 351 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:41:36,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2022-11-02 20:41:36,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 324. [2022-11-02 20:41:36,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 251 states have (on average 1.250996015936255) internal successors, (314), 272 states have internal predecessors, (314), 34 states have call successors, (34), 29 states have call predecessors, (34), 38 states have return successors, (64), 34 states have call predecessors, (64), 34 states have call successors, (64) [2022-11-02 20:41:36,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 412 transitions. [2022-11-02 20:41:36,313 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 412 transitions. Word has length 48 [2022-11-02 20:41:36,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:36,313 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 412 transitions. [2022-11-02 20:41:36,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:41:36,314 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 412 transitions. [2022-11-02 20:41:36,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-02 20:41:36,315 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:36,315 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:36,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:41:36,316 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:36,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:36,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1932063404, now seen corresponding path program 1 times [2022-11-02 20:41:36,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:36,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369735019] [2022-11-02 20:41:36,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:36,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-02 20:41:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:41:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:36,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:36,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369735019] [2022-11-02 20:41:36,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369735019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:36,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:36,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:41:36,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944943025] [2022-11-02 20:41:36,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:36,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:41:36,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:36,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:41:36,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:41:36,390 INFO L87 Difference]: Start difference. First operand 324 states and 412 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:41:36,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:36,686 INFO L93 Difference]: Finished difference Result 669 states and 847 transitions. [2022-11-02 20:41:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:41:36,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-02 20:41:36,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:36,690 INFO L225 Difference]: With dead ends: 669 [2022-11-02 20:41:36,690 INFO L226 Difference]: Without dead ends: 352 [2022-11-02 20:41:36,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:41:36,693 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 167 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:36,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 290 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:41:36,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2022-11-02 20:41:36,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 324. [2022-11-02 20:41:36,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 251 states have (on average 1.2430278884462151) internal successors, (312), 272 states have internal predecessors, (312), 34 states have call successors, (34), 29 states have call predecessors, (34), 38 states have return successors, (60), 34 states have call predecessors, (60), 34 states have call successors, (60) [2022-11-02 20:41:36,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 406 transitions. [2022-11-02 20:41:36,750 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 406 transitions. Word has length 51 [2022-11-02 20:41:36,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:36,751 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 406 transitions. [2022-11-02 20:41:36,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:41:36,752 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 406 transitions. [2022-11-02 20:41:36,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-02 20:41:36,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:36,753 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:36,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:41:36,754 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:36,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:36,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1788029047, now seen corresponding path program 1 times [2022-11-02 20:41:36,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:36,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84845937] [2022-11-02 20:41:36,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:36,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:41:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:41:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:36,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:36,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:36,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84845937] [2022-11-02 20:41:36,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84845937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:36,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:36,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:41:36,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086973866] [2022-11-02 20:41:36,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:36,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:41:36,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:36,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:41:36,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:41:36,977 INFO L87 Difference]: Start difference. First operand 324 states and 406 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:41:37,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:37,359 INFO L93 Difference]: Finished difference Result 637 states and 817 transitions. [2022-11-02 20:41:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:41:37,359 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2022-11-02 20:41:37,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:37,363 INFO L225 Difference]: With dead ends: 637 [2022-11-02 20:41:37,364 INFO L226 Difference]: Without dead ends: 320 [2022-11-02 20:41:37,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:41:37,368 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 203 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:37,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 349 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:41:37,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2022-11-02 20:41:37,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 266. [2022-11-02 20:41:37,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 206 states have (on average 1.2378640776699028) internal successors, (255), 223 states have internal predecessors, (255), 29 states have call successors, (29), 25 states have call predecessors, (29), 30 states have return successors, (46), 27 states have call predecessors, (46), 29 states have call successors, (46) [2022-11-02 20:41:37,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 330 transitions. [2022-11-02 20:41:37,418 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 330 transitions. Word has length 48 [2022-11-02 20:41:37,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:37,419 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 330 transitions. [2022-11-02 20:41:37,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:41:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 330 transitions. [2022-11-02 20:41:37,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-02 20:41:37,421 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:37,421 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:37,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:41:37,422 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:37,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:37,422 INFO L85 PathProgramCache]: Analyzing trace with hash 512793543, now seen corresponding path program 1 times [2022-11-02 20:41:37,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:37,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833390897] [2022-11-02 20:41:37,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:37,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:41:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:41:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:37,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:37,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:37,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833390897] [2022-11-02 20:41:37,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833390897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:37,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:37,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:41:37,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318944479] [2022-11-02 20:41:37,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:37,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:41:37,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:37,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:41:37,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:41:37,612 INFO L87 Difference]: Start difference. First operand 266 states and 330 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:41:38,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:38,160 INFO L93 Difference]: Finished difference Result 591 states and 775 transitions. [2022-11-02 20:41:38,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-02 20:41:38,161 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2022-11-02 20:41:38,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:38,164 INFO L225 Difference]: With dead ends: 591 [2022-11-02 20:41:38,164 INFO L226 Difference]: Without dead ends: 405 [2022-11-02 20:41:38,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-11-02 20:41:38,166 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 217 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:38,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 478 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:41:38,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-11-02 20:41:38,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 394. [2022-11-02 20:41:38,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 306 states have (on average 1.2189542483660132) internal successors, (373), 328 states have internal predecessors, (373), 43 states have call successors, (43), 38 states have call predecessors, (43), 44 states have return successors, (81), 44 states have call predecessors, (81), 43 states have call successors, (81) [2022-11-02 20:41:38,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 497 transitions. [2022-11-02 20:41:38,210 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 497 transitions. Word has length 48 [2022-11-02 20:41:38,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:38,210 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 497 transitions. [2022-11-02 20:41:38,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:41:38,211 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 497 transitions. [2022-11-02 20:41:38,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-02 20:41:38,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:38,214 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:38,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:41:38,214 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:38,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:38,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1953453445, now seen corresponding path program 1 times [2022-11-02 20:41:38,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:38,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690827684] [2022-11-02 20:41:38,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:38,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:38,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:38,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:41:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:38,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:41:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:38,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:41:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:38,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:41:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:38,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:41:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:38,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:41:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:38,448 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 20:41:38,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:38,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690827684] [2022-11-02 20:41:38,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690827684] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:41:38,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143098262] [2022-11-02 20:41:38,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:38,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:41:38,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:41:38,455 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:41:38,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:41:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:38,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:41:38,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:41:38,771 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:41:38,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:41:38,917 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-02 20:41:38,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143098262] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:41:38,918 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:41:38,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 9 [2022-11-02 20:41:38,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846577828] [2022-11-02 20:41:38,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:41:38,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:41:38,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:38,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:41:38,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:41:38,920 INFO L87 Difference]: Start difference. First operand 394 states and 497 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 20:41:39,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:39,839 INFO L93 Difference]: Finished difference Result 938 states and 1245 transitions. [2022-11-02 20:41:39,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-02 20:41:39,840 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 91 [2022-11-02 20:41:39,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:39,845 INFO L225 Difference]: With dead ends: 938 [2022-11-02 20:41:39,845 INFO L226 Difference]: Without dead ends: 624 [2022-11-02 20:41:39,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 194 SyntacticMatches, 9 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2022-11-02 20:41:39,848 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 368 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:39,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 564 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 20:41:39,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2022-11-02 20:41:39,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 540. [2022-11-02 20:41:39,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 415 states have (on average 1.2265060240963856) internal successors, (509), 447 states have internal predecessors, (509), 62 states have call successors, (62), 54 states have call predecessors, (62), 62 states have return successors, (124), 59 states have call predecessors, (124), 62 states have call successors, (124) [2022-11-02 20:41:39,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 695 transitions. [2022-11-02 20:41:39,944 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 695 transitions. Word has length 91 [2022-11-02 20:41:39,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:39,946 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 695 transitions. [2022-11-02 20:41:39,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 20:41:39,947 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 695 transitions. [2022-11-02 20:41:39,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-02 20:41:39,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:39,958 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:40,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:41:40,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:41:40,180 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:40,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:40,180 INFO L85 PathProgramCache]: Analyzing trace with hash -91360441, now seen corresponding path program 2 times [2022-11-02 20:41:40,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:40,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316545519] [2022-11-02 20:41:40,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:40,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:40,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:40,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:41:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:40,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:41:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:40,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:41:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:40,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:41:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:40,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:41:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:40,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:41:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:40,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:41:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:40,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 20:41:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:41:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:40,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:41:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:40,665 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-02 20:41:40,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:40,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316545519] [2022-11-02 20:41:40,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316545519] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:41:40,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302020957] [2022-11-02 20:41:40,666 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 20:41:40,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:41:40,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:41:40,668 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:41:40,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:41:40,847 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 20:41:40,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 20:41:40,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 20:41:40,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:41:41,032 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-02 20:41:41,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:41:41,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302020957] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:41,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:41:41,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2022-11-02 20:41:41,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347354059] [2022-11-02 20:41:41,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:41,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:41:41,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:41,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:41:41,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:41:41,036 INFO L87 Difference]: Start difference. First operand 540 states and 695 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 3 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-02 20:41:41,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:41,478 INFO L93 Difference]: Finished difference Result 1431 states and 1922 transitions. [2022-11-02 20:41:41,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:41:41,479 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 3 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 134 [2022-11-02 20:41:41,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:41,485 INFO L225 Difference]: With dead ends: 1431 [2022-11-02 20:41:41,485 INFO L226 Difference]: Without dead ends: 970 [2022-11-02 20:41:41,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 154 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-11-02 20:41:41,488 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 194 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:41,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 724 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:41:41,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2022-11-02 20:41:41,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 947. [2022-11-02 20:41:41,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 729 states have (on average 1.2263374485596708) internal successors, (894), 776 states have internal predecessors, (894), 106 states have call successors, (106), 95 states have call predecessors, (106), 111 states have return successors, (202), 108 states have call predecessors, (202), 106 states have call successors, (202) [2022-11-02 20:41:41,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1202 transitions. [2022-11-02 20:41:41,611 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1202 transitions. Word has length 134 [2022-11-02 20:41:41,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:41,611 INFO L495 AbstractCegarLoop]: Abstraction has 947 states and 1202 transitions. [2022-11-02 20:41:41,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 3 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-02 20:41:41,612 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1202 transitions. [2022-11-02 20:41:41,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-02 20:41:41,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:41:41,616 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:41,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:41:41,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:41:41,844 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:41:41,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:41,844 INFO L85 PathProgramCache]: Analyzing trace with hash -145753339, now seen corresponding path program 1 times [2022-11-02 20:41:41,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:41,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836434935] [2022-11-02 20:41:41,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:41,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:41,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:41:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:41,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:41:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:41,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:41:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:41,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:41:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:41,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 20:41:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:42,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:41:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:42,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:41:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:42,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:41:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:42,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-02 20:41:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:42,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 20:41:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:41:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:42,047 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 45 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-02 20:41:42,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:42,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836434935] [2022-11-02 20:41:42,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836434935] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:41:42,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311984298] [2022-11-02 20:41:42,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:42,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:41:42,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:41:42,049 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:41:42,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:41:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:42,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 20:41:42,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:41:42,227 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-02 20:41:42,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:41:42,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311984298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:42,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:41:42,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 8 [2022-11-02 20:41:42,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158295901] [2022-11-02 20:41:42,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:42,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:41:42,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:42,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:41:42,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:41:42,234 INFO L87 Difference]: Start difference. First operand 947 states and 1202 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-02 20:41:42,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:42,323 INFO L93 Difference]: Finished difference Result 1310 states and 1649 transitions. [2022-11-02 20:41:42,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:41:42,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 134 [2022-11-02 20:41:42,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:41:42,325 INFO L225 Difference]: With dead ends: 1310 [2022-11-02 20:41:42,325 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:41:42,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:41:42,332 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 9 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:41:42,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 403 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:41:42,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:41:42,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:41:42,334 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) [2022-11-02 20:41:42,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:41:42,335 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2022-11-02 20:41:42,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:41:42,335 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:41:42,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-02 20:41:42,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:41:42,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:41:42,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:41:42,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:41:42,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:41:42,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:41:46,049 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 183 190) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-02 20:41:46,049 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2022-11-02 20:41:46,050 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 183 190) no Hoare annotation was computed. [2022-11-02 20:41:46,050 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 90 96) no Hoare annotation was computed. [2022-11-02 20:41:46,050 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 90 96) the Hoare annotation is: true [2022-11-02 20:41:46,050 INFO L899 garLoopResultBuilder]: For program point L913-1(lines 909 920) no Hoare annotation was computed. [2022-11-02 20:41:46,050 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 909 920) the Hoare annotation is: true [2022-11-02 20:41:46,050 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 909 920) no Hoare annotation was computed. [2022-11-02 20:41:46,050 INFO L902 garLoopResultBuilder]: At program point L801(lines 776 805) the Hoare annotation is: true [2022-11-02 20:41:46,050 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2022-11-02 20:41:46,051 INFO L899 garLoopResultBuilder]: For program point L797(line 797) no Hoare annotation was computed. [2022-11-02 20:41:46,051 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2022-11-02 20:41:46,051 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 794) no Hoare annotation was computed. [2022-11-02 20:41:46,051 INFO L902 garLoopResultBuilder]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2022-11-02 20:41:46,051 INFO L899 garLoopResultBuilder]: For program point L787(line 787) no Hoare annotation was computed. [2022-11-02 20:41:46,052 INFO L902 garLoopResultBuilder]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2022-11-02 20:41:46,052 INFO L902 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: true [2022-11-02 20:41:46,052 INFO L899 garLoopResultBuilder]: For program point L782-1(line 782) no Hoare annotation was computed. [2022-11-02 20:41:46,052 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2022-11-02 20:41:46,053 INFO L899 garLoopResultBuilder]: For program point L77-1(lines 77 83) no Hoare annotation was computed. [2022-11-02 20:41:46,053 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 66 89) no Hoare annotation was computed. [2022-11-02 20:41:46,053 INFO L895 garLoopResultBuilder]: At program point L164(line 164) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-02 20:41:46,053 INFO L895 garLoopResultBuilder]: At program point L160(line 160) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-02 20:41:46,054 INFO L895 garLoopResultBuilder]: At program point L879(lines 874 881) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-02 20:41:46,054 INFO L895 garLoopResultBuilder]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2) (or .cse0 .cse2 (not .cse3)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse3 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-02 20:41:46,055 INFO L895 garLoopResultBuilder]: At program point L169-1(lines 150 174) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 (not .cse2)) (or .cse3 .cse2 (and .cse4 (<= 1 ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse4 .cse5) .cse1 (and .cse3 .cse5))))) [2022-11-02 20:41:46,055 INFO L895 garLoopResultBuilder]: At program point L198(lines 191 201) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-02 20:41:46,055 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 69 88) no Hoare annotation was computed. [2022-11-02 20:41:46,056 INFO L895 garLoopResultBuilder]: At program point L958(lines 953 961) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse5 (= 0 ~systemActive~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse2 .cse3 .cse4) (not .cse5) .cse6) (or (and (<= 2 ~waterLevel~0) .cse7) (and .cse2 (<= 1 ~waterLevel~0) .cse3) .cse5 .cse6) (or .cse0 .cse5 (and .cse4 .cse7) .cse6) (or .cse0 .cse1 (= |timeShift_getWaterLevel_#res#1| 1)))) [2022-11-02 20:41:46,056 INFO L895 garLoopResultBuilder]: At program point L207(lines 202 210) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-02 20:41:46,056 INFO L895 garLoopResultBuilder]: At program point L926(lines 921 929) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-02 20:41:46,056 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 166) no Hoare annotation was computed. [2022-11-02 20:41:46,057 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 171) no Hoare annotation was computed. [2022-11-02 20:41:46,057 INFO L899 garLoopResultBuilder]: For program point L889(lines 889 893) no Hoare annotation was computed. [2022-11-02 20:41:46,057 INFO L899 garLoopResultBuilder]: For program point L761(lines 761 767) no Hoare annotation was computed. [2022-11-02 20:41:46,057 INFO L895 garLoopResultBuilder]: At program point L889-2(lines 885 896) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-02 20:41:46,058 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 770) no Hoare annotation was computed. [2022-11-02 20:41:46,058 INFO L895 garLoopResultBuilder]: At program point L757-1(lines 749 773) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse11 (<= 2 |timeShift___utac_acc__Specification4_spec__1_~tmp~9#1|))) (let ((.cse1 (and .cse9 .cse12 .cse10 .cse11)) (.cse4 (and .cse6 .cse12)) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (<= 1 |timeShift___utac_acc__Specification4_spec__1_~tmp~9#1|)) (.cse8 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~9#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or .cse0 .cse4 .cse5 .cse1) (or .cse0 .cse4 .cse5 (not .cse2)) (or (and .cse6 .cse7 (<= 1 ~waterLevel~0) .cse8) (and .cse9 .cse10 .cse11) .cse2 .cse3) (or .cse0 (and .cse7 .cse8) .cse3)))) [2022-11-02 20:41:46,058 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 66 89) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2) .cse3) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (= 0 ~systemActive~0) .cse3))) [2022-11-02 20:41:46,059 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 89) no Hoare annotation was computed. [2022-11-02 20:41:46,059 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2022-11-02 20:41:46,059 INFO L895 garLoopResultBuilder]: At program point L700(line 700) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-02 20:41:46,059 INFO L895 garLoopResultBuilder]: At program point L738(lines 687 739) the Hoare annotation is: false [2022-11-02 20:41:46,060 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:41:46,060 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:41:46,060 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:41:46,060 INFO L899 garLoopResultBuilder]: For program point L726(lines 726 732) no Hoare annotation was computed. [2022-11-02 20:41:46,061 INFO L895 garLoopResultBuilder]: At program point L726-2(lines 718 733) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-02 20:41:46,061 INFO L899 garLoopResultBuilder]: For program point L689(lines 688 737) no Hoare annotation was computed. [2022-11-02 20:41:46,061 INFO L895 garLoopResultBuilder]: At program point L305(lines 300 307) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2022-11-02 20:41:46,061 INFO L899 garLoopResultBuilder]: For program point L718(lines 718 733) no Hoare annotation was computed. [2022-11-02 20:41:46,062 INFO L895 garLoopResultBuilder]: At program point L297(lines 285 299) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2022-11-02 20:41:46,062 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-02 20:41:46,062 INFO L895 garLoopResultBuilder]: At program point L834(lines 830 836) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:41:46,062 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2022-11-02 20:41:46,063 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:41:46,063 INFO L899 garLoopResultBuilder]: For program point L289-1(lines 289 295) no Hoare annotation was computed. [2022-11-02 20:41:46,063 INFO L895 garLoopResultBuilder]: At program point L735(lines 688 737) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-02 20:41:46,063 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 704) no Hoare annotation was computed. [2022-11-02 20:41:46,064 INFO L899 garLoopResultBuilder]: For program point L698-1(lines 698 704) no Hoare annotation was computed. [2022-11-02 20:41:46,064 INFO L895 garLoopResultBuilder]: At program point L1016(lines 1011 1019) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:41:46,064 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 694) no Hoare annotation was computed. [2022-11-02 20:41:46,064 INFO L895 garLoopResultBuilder]: At program point L1008(lines 1004 1010) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:41:46,064 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 867) no Hoare annotation was computed. [2022-11-02 20:41:46,065 INFO L899 garLoopResultBuilder]: For program point L860-2(lines 860 867) no Hoare annotation was computed. [2022-11-02 20:41:46,065 INFO L902 garLoopResultBuilder]: At program point L844(lines 837 846) the Hoare annotation is: true [2022-11-02 20:41:46,065 INFO L895 garLoopResultBuilder]: At program point L1001(lines 997 1003) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:41:46,065 INFO L902 garLoopResultBuilder]: At program point L741(lines 678 745) the Hoare annotation is: true [2022-11-02 20:41:46,066 INFO L902 garLoopResultBuilder]: At program point L869(lines 850 872) the Hoare annotation is: true [2022-11-02 20:41:46,066 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 714) no Hoare annotation was computed. [2022-11-02 20:41:46,066 INFO L899 garLoopResultBuilder]: For program point L708-1(lines 708 714) no Hoare annotation was computed. [2022-11-02 20:41:46,066 INFO L895 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:41:46,066 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 98 122) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-02 20:41:46,067 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 260) no Hoare annotation was computed. [2022-11-02 20:41:46,067 INFO L899 garLoopResultBuilder]: For program point L256-2(lines 256 260) no Hoare annotation was computed. [2022-11-02 20:41:46,067 INFO L895 garLoopResultBuilder]: At program point L180(lines 175 182) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-02 20:41:46,067 INFO L895 garLoopResultBuilder]: At program point L112(line 112) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0))) .cse1) (or .cse0 (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) .cse1))) [2022-11-02 20:41:46,068 INFO L895 garLoopResultBuilder]: At program point L971(lines 962 975) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (and .cse0 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (and .cse0 (<= 2 ~waterLevel~0)) (= 0 ~systemActive~0))) [2022-11-02 20:41:46,068 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 114) no Hoare annotation was computed. [2022-11-02 20:41:46,068 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 119) no Hoare annotation was computed. [2022-11-02 20:41:46,068 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 98 122) no Hoare annotation was computed. [2022-11-02 20:41:46,068 INFO L895 garLoopResultBuilder]: At program point L117(line 117) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-02 20:41:46,069 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 98 122) no Hoare annotation was computed. [2022-11-02 20:41:46,069 INFO L899 garLoopResultBuilder]: For program point L966(lines 966 972) no Hoare annotation was computed. [2022-11-02 20:41:46,069 INFO L895 garLoopResultBuilder]: At program point L262(lines 247 265) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 (and .cse1 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0))) .cse2))) [2022-11-02 20:41:46,069 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 897 908) no Hoare annotation was computed. [2022-11-02 20:41:46,070 INFO L899 garLoopResultBuilder]: For program point L901-1(lines 897 908) no Hoare annotation was computed. [2022-11-02 20:41:46,070 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 897 908) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or .cse0 (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-02 20:41:46,070 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 145) no Hoare annotation was computed. [2022-11-02 20:41:46,070 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 124 148) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-02 20:41:46,071 INFO L895 garLoopResultBuilder]: At program point L281(lines 266 284) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~4#1| 0) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-02 20:41:46,071 INFO L895 garLoopResultBuilder]: At program point L981(lines 976 984) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-02 20:41:46,071 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2022-11-02 20:41:46,071 INFO L899 garLoopResultBuilder]: For program point L275-2(lines 275 279) no Hoare annotation was computed. [2022-11-02 20:41:46,072 INFO L895 garLoopResultBuilder]: At program point L143(line 143) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)) (= 0 ~systemActive~0)) [2022-11-02 20:41:46,072 INFO L899 garLoopResultBuilder]: For program point L143-1(lines 124 148) no Hoare annotation was computed. [2022-11-02 20:41:46,072 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 124 148) no Hoare annotation was computed. [2022-11-02 20:41:46,072 INFO L895 garLoopResultBuilder]: At program point L138(line 138) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-02 20:41:46,072 INFO L895 garLoopResultBuilder]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~4#1| 0) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__lowWaterSensor_~tmp~1#1|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-02 20:41:46,073 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 140) no Hoare annotation was computed. [2022-11-02 20:41:46,077 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:46,079 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:41:46,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:41:46 BoogieIcfgContainer [2022-11-02 20:41:46,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:41:46,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:41:46,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:41:46,110 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:41:46,111 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:33" (3/4) ... [2022-11-02 20:41:46,115 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:41:46,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-02 20:41:46,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-02 20:41:46,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:41:46,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:41:46,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:41:46,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:41:46,124 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:41:46,124 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-11-02 20:41:46,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2022-11-02 20:41:46,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:41:46,134 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:41:46,134 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:41:46,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:41:46,136 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:41:46,136 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:41:46,166 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-02 20:41:46,166 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2022-11-02 20:41:46,167 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) || ((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == 1) && tmp == 1) [2022-11-02 20:41:46,167 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-02 20:41:46,168 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(0 == systemActive)) && (((2 <= waterLevel || 0 == systemActive) || (pumpRunning == 0 && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) [2022-11-02 20:41:46,169 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && !(0 == systemActive)) [2022-11-02 20:41:46,169 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && 1 <= \result) && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) || !(2 <= \old(waterLevel)))) && ((((2 <= waterLevel && 2 <= \result) || ((pumpRunning == 0 && 1 <= waterLevel) && 1 <= \result)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || 0 == systemActive) || (\old(waterLevel) == waterLevel && 2 <= \result)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) [2022-11-02 20:41:46,170 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-02 20:41:46,170 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && 0 == systemActive) && waterLevel == 1) && tmp == 1) || (((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == systemActive) && tmp == 1) [2022-11-02 20:41:46,170 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && 2 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && 2 <= tmp))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || !(0 == systemActive))) && ((((((pumpRunning == 0 && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) || ((2 <= waterLevel && 2 <= \result) && 2 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || (1 <= tmp && 1 <= \result)) || !(2 <= \old(waterLevel))) [2022-11-02 20:41:46,171 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-02 20:41:46,171 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 <= waterLevel) || (pumpRunning == \old(pumpRunning) && \result == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive) [2022-11-02 20:41:46,171 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) [2022-11-02 20:41:46,172 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive [2022-11-02 20:41:46,172 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 <= waterLevel) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && 1 <= tmp___0) && tmp == 0) && \result == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive) [2022-11-02 20:41:46,172 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) [2022-11-02 20:41:46,173 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((pumpRunning == 0 && !(\result == 0)) && \result == 0) && tmp___0 == 0) && !(tmp == 0))) || 0 == systemActive) [2022-11-02 20:41:46,173 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive [2022-11-02 20:41:46,225 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:41:46,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:41:46,226 INFO L158 Benchmark]: Toolchain (without parser) took 14271.40ms. Allocated memory was 111.1MB in the beginning and 262.1MB in the end (delta: 151.0MB). Free memory was 69.5MB in the beginning and 233.0MB in the end (delta: -163.5MB). Peak memory consumption was 110.7MB. Max. memory is 16.1GB. [2022-11-02 20:41:46,227 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:41:46,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 574.39ms. Allocated memory is still 111.1MB. Free memory was 69.3MB in the beginning and 77.3MB in the end (delta: -8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:41:46,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.56ms. Allocated memory is still 111.1MB. Free memory was 77.3MB in the beginning and 74.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:41:46,228 INFO L158 Benchmark]: Boogie Preprocessor took 36.33ms. Allocated memory is still 111.1MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:41:46,228 INFO L158 Benchmark]: RCFGBuilder took 679.47ms. Allocated memory is still 111.1MB. Free memory was 72.6MB in the beginning and 52.6MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-02 20:41:46,229 INFO L158 Benchmark]: TraceAbstraction took 12805.98ms. Allocated memory was 111.1MB in the beginning and 218.1MB in the end (delta: 107.0MB). Free memory was 52.2MB in the beginning and 70.3MB in the end (delta: -18.1MB). Peak memory consumption was 102.5MB. Max. memory is 16.1GB. [2022-11-02 20:41:46,230 INFO L158 Benchmark]: Witness Printer took 115.89ms. Allocated memory was 218.1MB in the beginning and 262.1MB in the end (delta: 44.0MB). Free memory was 70.3MB in the beginning and 233.0MB in the end (delta: -162.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:41:46,231 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 574.39ms. Allocated memory is still 111.1MB. Free memory was 69.3MB in the beginning and 77.3MB in the end (delta: -8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.56ms. Allocated memory is still 111.1MB. Free memory was 77.3MB in the beginning and 74.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.33ms. Allocated memory is still 111.1MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 679.47ms. Allocated memory is still 111.1MB. Free memory was 72.6MB in the beginning and 52.6MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 12805.98ms. Allocated memory was 111.1MB in the beginning and 218.1MB in the end (delta: 107.0MB). Free memory was 52.2MB in the beginning and 70.3MB in the end (delta: -18.1MB). Peak memory consumption was 102.5MB. Max. memory is 16.1GB. * Witness Printer took 115.89ms. Allocated memory was 218.1MB in the beginning and 262.1MB in the end (delta: 44.0MB). Free memory was 70.3MB in the beginning and 233.0MB in the end (delta: -162.7MB). 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: 878]: 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 9 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.7s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1789 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1768 mSDsluCounter, 4784 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3196 mSDsCounter, 510 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2239 IncrementalHoareTripleChecker+Invalid, 2749 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 510 mSolverCounterUnsat, 1588 mSDtfsCounter, 2239 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 691 GetRequests, 558 SyntacticMatches, 14 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=947occurred in iteration=12, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 254 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 1824 PreInvPairs, 1961 NumberOfFragments, 1228 HoareAnnotationTreeSize, 1824 FomulaSimplifications, 2233 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 48 FomulaSimplificationsInter, 8974 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1067 NumberOfCodeBlocks, 1067 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1141 ConstructedInterpolants, 0 QuantifiedInterpolants, 1951 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1603 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 393/447 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: 976]: Loop Invariant Derived loop invariant: ((!(1 <= waterLevel) || (pumpRunning == \old(pumpRunning) && \result == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && 1 <= \result) && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) || !(2 <= \old(waterLevel)))) && ((((2 <= waterLevel && 2 <= \result) || ((pumpRunning == 0 && 1 <= waterLevel) && 1 <= \result)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || 0 == systemActive) || (\old(waterLevel) == waterLevel && 2 <= \result)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((!(1 <= waterLevel) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && 1 <= tmp___0) && tmp == 0) && \result == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && 2 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && 2 <= tmp))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || !(0 == systemActive))) && ((((((pumpRunning == 0 && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) || ((2 <= waterLevel && 2 <= \result) && 2 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || (1 <= tmp && 1 <= \result)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((pumpRunning == 0 && !(\result == 0)) && \result == 0) && tmp___0 == 0) && !(tmp == 0))) || 0 == systemActive) - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) || ((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == 1) && tmp == 1) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive - InvariantResult [Line: 1004]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: ((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && 0 == systemActive) && waterLevel == 1) && tmp == 1) || (((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == systemActive) && tmp == 1) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(0 == systemActive)) && (((2 <= waterLevel || 0 == systemActive) || (pumpRunning == 0 && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) RESULT: Ultimate proved your program to be correct! [2022-11-02 20:41:46,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0467612b-3703-44a7-9d7c-f7109bd05198/bin/uautomizer-Dbtcem3rbc/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