./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ --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 0552f986eafe304f33f56d4376c7c6a56e2d691e1035259c5c13e13b2a7157c1 --- 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-dbf71c6-m [2022-10-17 10:44:33,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:44:33,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:44:33,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:44:33,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:44:33,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:44:33,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:44:33,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:44:33,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:44:33,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:44:33,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:44:33,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:44:33,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:44:33,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:44:33,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:44:33,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:44:33,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:44:33,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:44:33,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:44:33,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:44:33,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:44:33,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:44:33,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:44:33,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:44:33,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:44:33,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:44:33,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:44:33,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:44:33,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:44:33,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:44:33,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:44:33,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:44:33,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:44:33,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:44:33,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:44:33,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:44:33,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:44:33,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:44:33,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:44:33,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:44:33,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:44:33,468 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:44:33,515 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:44:33,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:44:33,516 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:44:33,516 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:44:33,517 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:44:33,517 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:44:33,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:44:33,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:44:33,519 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:44:33,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:44:33,520 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:44:33,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:44:33,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:44:33,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:44:33,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:44:33,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:44:33,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:44:33,522 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:44:33,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:44:33,522 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:44:33,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:44:33,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:44:33,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:44:33,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:44:33,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:44:33,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:44:33,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:44:33,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:44:33,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:44:33,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:44:33,545 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:44:33,545 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:44:33,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:44:33,546 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_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0552f986eafe304f33f56d4376c7c6a56e2d691e1035259c5c13e13b2a7157c1 [2022-10-17 10:44:33,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:44:33,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:44:33,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:44:33,875 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:44:33,876 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:44:33,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2022-10-17 10:44:33,956 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/data/e82cac247/1a00e9ee3f63405793e10b8db85f4e87/FLAG672ca835a [2022-10-17 10:44:34,477 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:44:34,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2022-10-17 10:44:34,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/data/e82cac247/1a00e9ee3f63405793e10b8db85f4e87/FLAG672ca835a [2022-10-17 10:44:34,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/data/e82cac247/1a00e9ee3f63405793e10b8db85f4e87 [2022-10-17 10:44:34,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:44:34,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:44:34,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:44:34,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:44:34,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:44:34,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:44:34" (1/1) ... [2022-10-17 10:44:34,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12960e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:34, skipping insertion in model container [2022-10-17 10:44:34,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:44:34" (1/1) ... [2022-10-17 10:44:34,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:44:34,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:44:35,146 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_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c[15143,15156] [2022-10-17 10:44:35,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:44:35,202 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:44:35,299 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_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c[15143,15156] [2022-10-17 10:44:35,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:44:35,328 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:44:35,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:35 WrapperNode [2022-10-17 10:44:35,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:44:35,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:44:35,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:44:35,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:44:35,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:35" (1/1) ... [2022-10-17 10:44:35,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:35" (1/1) ... [2022-10-17 10:44:35,399 INFO L138 Inliner]: procedures = 56, calls = 156, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 266 [2022-10-17 10:44:35,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:44:35,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:44:35,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:44:35,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:44:35,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:35" (1/1) ... [2022-10-17 10:44:35,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:35" (1/1) ... [2022-10-17 10:44:35,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:35" (1/1) ... [2022-10-17 10:44:35,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:35" (1/1) ... [2022-10-17 10:44:35,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:35" (1/1) ... [2022-10-17 10:44:35,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:35" (1/1) ... [2022-10-17 10:44:35,457 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:35" (1/1) ... [2022-10-17 10:44:35,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:35" (1/1) ... [2022-10-17 10:44:35,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:44:35,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:44:35,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:44:35,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:44:35,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:35" (1/1) ... [2022-10-17 10:44:35,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:44:35,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:35,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:44:35,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:44:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:44:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 10:44:35,579 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 10:44:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 10:44:35,579 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 10:44:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 10:44:35,579 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 10:44:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 10:44:35,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 10:44:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:44:35,582 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:44:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 10:44:35,582 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 10:44:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:44:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 10:44:35,583 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 10:44:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:44:35,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:44:35,674 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:44:35,677 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:44:36,118 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:44:36,128 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:44:36,128 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:44:36,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:44:36 BoogieIcfgContainer [2022-10-17 10:44:36,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:44:36,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:44:36,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:44:36,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:44:36,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:44:34" (1/3) ... [2022-10-17 10:44:36,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8d532f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:44:36, skipping insertion in model container [2022-10-17 10:44:36,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:44:35" (2/3) ... [2022-10-17 10:44:36,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8d532f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:44:36, skipping insertion in model container [2022-10-17 10:44:36,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:44:36" (3/3) ... [2022-10-17 10:44:36,145 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2022-10-17 10:44:36,186 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:44:36,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:44:36,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:44:36,276 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;@1be180d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:44:36,277 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:44:36,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 69 states have (on average 1.391304347826087) internal successors, (96), 77 states have internal predecessors, (96), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-10-17 10:44:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 10:44:36,296 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:36,297 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] [2022-10-17 10:44:36,298 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:36,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:36,305 INFO L85 PathProgramCache]: Analyzing trace with hash 497933795, now seen corresponding path program 1 times [2022-10-17 10:44:36,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:36,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634775983] [2022-10-17 10:44:36,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:36,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:36,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:44:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:36,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:36,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:36,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634775983] [2022-10-17 10:44:36,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634775983] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:36,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:36,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:44:36,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607414087] [2022-10-17 10:44:36,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:36,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 10:44:36,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:36,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:44:36,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:44:36,622 INFO L87 Difference]: Start difference. First operand has 89 states, 69 states have (on average 1.391304347826087) internal successors, (96), 77 states have internal predecessors, (96), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:44:36,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:36,662 INFO L93 Difference]: Finished difference Result 170 states and 231 transitions. [2022-10-17 10:44:36,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:44:36,665 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-10-17 10:44:36,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:44:36,677 INFO L225 Difference]: With dead ends: 170 [2022-10-17 10:44:36,678 INFO L226 Difference]: Without dead ends: 80 [2022-10-17 10:44:36,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:44:36,687 INFO L413 NwaCegarLoop]: 112 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, 112 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 [2022-10-17 10:44:36,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:44:36,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-10-17 10:44:36,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-10-17 10:44:36,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 69 states have internal predecessors, (82), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-10-17 10:44:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2022-10-17 10:44:36,747 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 25 [2022-10-17 10:44:36,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:44:36,748 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2022-10-17 10:44:36,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:44:36,749 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-10-17 10:44:36,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 10:44:36,752 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:36,752 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] [2022-10-17 10:44:36,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:44:36,753 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:36,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:36,754 INFO L85 PathProgramCache]: Analyzing trace with hash -470356708, now seen corresponding path program 1 times [2022-10-17 10:44:36,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:36,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194138757] [2022-10-17 10:44:36,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:36,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:36,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-17 10:44:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:37,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:37,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:37,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194138757] [2022-10-17 10:44:37,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194138757] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:37,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:37,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:44:37,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461602501] [2022-10-17 10:44:37,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:37,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:44:37,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:37,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:44:37,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:44:37,012 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:44:37,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:37,047 INFO L93 Difference]: Finished difference Result 125 states and 161 transitions. [2022-10-17 10:44:37,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:44:37,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-10-17 10:44:37,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:44:37,050 INFO L225 Difference]: With dead ends: 125 [2022-10-17 10:44:37,050 INFO L226 Difference]: Without dead ends: 71 [2022-10-17 10:44:37,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:44:37,053 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 13 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 163 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 [2022-10-17 10:44:37,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 163 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:44:37,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-10-17 10:44:37,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-10-17 10:44:37,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 63 states have internal predecessors, (75), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-17 10:44:37,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2022-10-17 10:44:37,066 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 26 [2022-10-17 10:44:37,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:44:37,067 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2022-10-17 10:44:37,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:44:37,067 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2022-10-17 10:44:37,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 10:44:37,069 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:37,069 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] [2022-10-17 10:44:37,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:44:37,070 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:37,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:37,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1793997224, now seen corresponding path program 1 times [2022-10-17 10:44:37,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:37,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653638802] [2022-10-17 10:44:37,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:37,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:37,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:44:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:37,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:37,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:37,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653638802] [2022-10-17 10:44:37,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653638802] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:37,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:37,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:44:37,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562649484] [2022-10-17 10:44:37,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:37,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:44:37,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:37,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:44:37,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:44:37,320 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:44:37,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:37,439 INFO L93 Difference]: Finished difference Result 135 states and 176 transitions. [2022-10-17 10:44:37,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:44:37,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-10-17 10:44:37,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:44:37,445 INFO L225 Difference]: With dead ends: 135 [2022-10-17 10:44:37,446 INFO L226 Difference]: Without dead ends: 71 [2022-10-17 10:44:37,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:44:37,451 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 116 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:44:37,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 220 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:44:37,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-10-17 10:44:37,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-10-17 10:44:37,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 63 states have internal predecessors, (74), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-17 10:44:37,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-10-17 10:44:37,473 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 31 [2022-10-17 10:44:37,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:44:37,473 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-10-17 10:44:37,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:44:37,474 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-10-17 10:44:37,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 10:44:37,478 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:37,478 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] [2022-10-17 10:44:37,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:44:37,478 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:37,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:37,480 INFO L85 PathProgramCache]: Analyzing trace with hash -668349169, now seen corresponding path program 1 times [2022-10-17 10:44:37,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:37,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41891272] [2022-10-17 10:44:37,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:37,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:37,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:44:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:37,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:44:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:37,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-10-17 10:44:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:37,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:37,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:37,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41891272] [2022-10-17 10:44:37,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41891272] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:37,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:37,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:44:37,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954665276] [2022-10-17 10:44:37,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:37,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:44:37,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:37,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:44:37,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:44:37,707 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-17 10:44:38,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:38,006 INFO L93 Difference]: Finished difference Result 213 states and 271 transitions. [2022-10-17 10:44:38,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:44:38,007 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2022-10-17 10:44:38,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:44:38,010 INFO L225 Difference]: With dead ends: 213 [2022-10-17 10:44:38,023 INFO L226 Difference]: Without dead ends: 149 [2022-10-17 10:44:38,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-17 10:44:38,027 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 173 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:44:38,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 311 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:44:38,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-10-17 10:44:38,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 143. [2022-10-17 10:44:38,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 112 states have (on average 1.2767857142857142) internal successors, (143), 119 states have internal predecessors, (143), 14 states have call successors, (14), 13 states have call predecessors, (14), 16 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2022-10-17 10:44:38,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 176 transitions. [2022-10-17 10:44:38,084 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 176 transitions. Word has length 41 [2022-10-17 10:44:38,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:44:38,085 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 176 transitions. [2022-10-17 10:44:38,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-17 10:44:38,086 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 176 transitions. [2022-10-17 10:44:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 10:44:38,093 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:38,093 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] [2022-10-17 10:44:38,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:44:38,097 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:38,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:38,098 INFO L85 PathProgramCache]: Analyzing trace with hash 103943489, now seen corresponding path program 1 times [2022-10-17 10:44:38,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:38,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837914232] [2022-10-17 10:44:38,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:38,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:38,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:44:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:38,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:44:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:38,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:38,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:38,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837914232] [2022-10-17 10:44:38,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837914232] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:38,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:38,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:44:38,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972834323] [2022-10-17 10:44:38,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:38,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:44:38,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:38,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:44:38,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:44:38,368 INFO L87 Difference]: Start difference. First operand 143 states and 176 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 10:44:38,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:38,584 INFO L93 Difference]: Finished difference Result 301 states and 377 transitions. [2022-10-17 10:44:38,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-17 10:44:38,585 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-10-17 10:44:38,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:44:38,593 INFO L225 Difference]: With dead ends: 301 [2022-10-17 10:44:38,593 INFO L226 Difference]: Without dead ends: 165 [2022-10-17 10:44:38,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-10-17 10:44:38,603 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 109 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:44:38,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 423 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:44:38,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-10-17 10:44:38,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 145. [2022-10-17 10:44:38,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 114 states have (on average 1.2719298245614035) internal successors, (145), 121 states have internal predecessors, (145), 14 states have call successors, (14), 13 states have call predecessors, (14), 16 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2022-10-17 10:44:38,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 178 transitions. [2022-10-17 10:44:38,654 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 178 transitions. Word has length 45 [2022-10-17 10:44:38,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:44:38,655 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 178 transitions. [2022-10-17 10:44:38,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 10:44:38,655 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 178 transitions. [2022-10-17 10:44:38,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 10:44:38,658 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:38,658 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] [2022-10-17 10:44:38,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 10:44:38,659 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:38,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:38,660 INFO L85 PathProgramCache]: Analyzing trace with hash 921591939, now seen corresponding path program 1 times [2022-10-17 10:44:38,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:38,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759317227] [2022-10-17 10:44:38,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:38,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:38,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:44:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:38,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:44:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:38,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:38,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:38,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759317227] [2022-10-17 10:44:38,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759317227] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:38,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:38,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:44:38,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007571263] [2022-10-17 10:44:38,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:38,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:44:38,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:38,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:44:38,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:44:38,808 INFO L87 Difference]: Start difference. First operand 145 states and 178 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 10:44:38,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:38,959 INFO L93 Difference]: Finished difference Result 291 states and 361 transitions. [2022-10-17 10:44:38,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:44:38,959 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-10-17 10:44:38,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:44:38,962 INFO L225 Difference]: With dead ends: 291 [2022-10-17 10:44:38,962 INFO L226 Difference]: Without dead ends: 153 [2022-10-17 10:44:38,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-10-17 10:44:38,964 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 64 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:44:38,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 376 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:44:38,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-10-17 10:44:38,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 148. [2022-10-17 10:44:38,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 117 states have (on average 1.264957264957265) internal successors, (148), 124 states have internal predecessors, (148), 14 states have call successors, (14), 13 states have call predecessors, (14), 16 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2022-10-17 10:44:38,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 181 transitions. [2022-10-17 10:44:38,987 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 181 transitions. Word has length 45 [2022-10-17 10:44:38,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:44:38,988 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 181 transitions. [2022-10-17 10:44:38,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 10:44:38,988 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 181 transitions. [2022-10-17 10:44:38,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 10:44:38,989 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:38,990 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] [2022-10-17 10:44:38,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-17 10:44:38,990 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:38,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:38,991 INFO L85 PathProgramCache]: Analyzing trace with hash 322798207, now seen corresponding path program 1 times [2022-10-17 10:44:38,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:38,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573799867] [2022-10-17 10:44:38,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:38,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:39,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:44:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:39,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:44:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:39,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:39,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:39,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573799867] [2022-10-17 10:44:39,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573799867] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:39,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:39,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:44:39,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110218331] [2022-10-17 10:44:39,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:39,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:44:39,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:39,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:44:39,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:44:39,126 INFO L87 Difference]: Start difference. First operand 148 states and 181 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 10:44:39,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:39,364 INFO L93 Difference]: Finished difference Result 416 states and 530 transitions. [2022-10-17 10:44:39,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:44:39,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-10-17 10:44:39,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:44:39,368 INFO L225 Difference]: With dead ends: 416 [2022-10-17 10:44:39,368 INFO L226 Difference]: Without dead ends: 275 [2022-10-17 10:44:39,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:44:39,370 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 204 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:44:39,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 314 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:44:39,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-10-17 10:44:39,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 267. [2022-10-17 10:44:39,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 208 states have (on average 1.2548076923076923) internal successors, (261), 219 states have internal predecessors, (261), 29 states have call successors, (29), 28 states have call predecessors, (29), 29 states have return successors, (44), 29 states have call predecessors, (44), 29 states have call successors, (44) [2022-10-17 10:44:39,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 334 transitions. [2022-10-17 10:44:39,402 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 334 transitions. Word has length 45 [2022-10-17 10:44:39,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:44:39,403 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 334 transitions. [2022-10-17 10:44:39,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 10:44:39,403 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 334 transitions. [2022-10-17 10:44:39,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 10:44:39,404 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:39,404 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] [2022-10-17 10:44:39,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-17 10:44:39,405 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:39,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:39,405 INFO L85 PathProgramCache]: Analyzing trace with hash -916701465, now seen corresponding path program 1 times [2022-10-17 10:44:39,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:39,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96805617] [2022-10-17 10:44:39,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:39,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:39,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:44:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:39,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:44:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-17 10:44:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:39,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:39,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:39,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96805617] [2022-10-17 10:44:39,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96805617] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:39,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:39,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:44:39,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89115561] [2022-10-17 10:44:39,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:39,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:44:39,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:39,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:44:39,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:44:39,510 INFO L87 Difference]: Start difference. First operand 267 states and 334 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 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) [2022-10-17 10:44:39,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:39,699 INFO L93 Difference]: Finished difference Result 530 states and 663 transitions. [2022-10-17 10:44:39,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:44:39,700 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 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 47 [2022-10-17 10:44:39,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:44:39,703 INFO L225 Difference]: With dead ends: 530 [2022-10-17 10:44:39,703 INFO L226 Difference]: Without dead ends: 270 [2022-10-17 10:44:39,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:44:39,705 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 111 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:44:39,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 340 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:44:39,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-10-17 10:44:39,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 265. [2022-10-17 10:44:39,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 206 states have (on average 1.2475728155339805) internal successors, (257), 217 states have internal predecessors, (257), 29 states have call successors, (29), 28 states have call predecessors, (29), 29 states have return successors, (44), 29 states have call predecessors, (44), 29 states have call successors, (44) [2022-10-17 10:44:39,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 330 transitions. [2022-10-17 10:44:39,740 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 330 transitions. Word has length 47 [2022-10-17 10:44:39,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:44:39,741 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 330 transitions. [2022-10-17 10:44:39,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 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) [2022-10-17 10:44:39,741 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 330 transitions. [2022-10-17 10:44:39,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 10:44:39,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:39,742 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] [2022-10-17 10:44:39,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-17 10:44:39,743 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:39,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:39,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1637594841, now seen corresponding path program 1 times [2022-10-17 10:44:39,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:39,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846751322] [2022-10-17 10:44:39,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:39,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:39,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:44:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:39,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 10:44:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:39,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-17 10:44:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:39,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:39,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:39,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846751322] [2022-10-17 10:44:39,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846751322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:39,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:39,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:44:39,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61545095] [2022-10-17 10:44:39,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:39,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:44:39,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:39,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:44:39,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:44:39,855 INFO L87 Difference]: Start difference. First operand 265 states and 330 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-17 10:44:40,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:40,166 INFO L93 Difference]: Finished difference Result 525 states and 658 transitions. [2022-10-17 10:44:40,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-17 10:44:40,167 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-10-17 10:44:40,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:44:40,170 INFO L225 Difference]: With dead ends: 525 [2022-10-17 10:44:40,170 INFO L226 Difference]: Without dead ends: 314 [2022-10-17 10:44:40,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-10-17 10:44:40,172 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 208 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:44:40,172 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 524 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:44:40,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-10-17 10:44:40,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 301. [2022-10-17 10:44:40,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 236 states have (on average 1.228813559322034) internal successors, (290), 250 states have internal predecessors, (290), 32 states have call successors, (32), 28 states have call predecessors, (32), 32 states have return successors, (44), 32 states have call predecessors, (44), 32 states have call successors, (44) [2022-10-17 10:44:40,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 366 transitions. [2022-10-17 10:44:40,205 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 366 transitions. Word has length 49 [2022-10-17 10:44:40,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:44:40,205 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 366 transitions. [2022-10-17 10:44:40,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-17 10:44:40,206 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 366 transitions. [2022-10-17 10:44:40,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 10:44:40,207 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:40,207 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] [2022-10-17 10:44:40,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-17 10:44:40,207 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:40,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:40,208 INFO L85 PathProgramCache]: Analyzing trace with hash -32680003, now seen corresponding path program 1 times [2022-10-17 10:44:40,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:40,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394419443] [2022-10-17 10:44:40,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:40,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:40,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:44:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:40,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 10:44:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:40,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:44:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:40,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:44:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:40,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:40,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:40,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394419443] [2022-10-17 10:44:40,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394419443] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:40,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:40,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-17 10:44:40,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426281946] [2022-10-17 10:44:40,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:40,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-17 10:44:40,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:40,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-17 10:44:40,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:44:40,383 INFO L87 Difference]: Start difference. First operand 301 states and 366 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:44:40,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:40,682 INFO L93 Difference]: Finished difference Result 550 states and 676 transitions. [2022-10-17 10:44:40,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-17 10:44:40,683 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-10-17 10:44:40,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:44:40,685 INFO L225 Difference]: With dead ends: 550 [2022-10-17 10:44:40,685 INFO L226 Difference]: Without dead ends: 305 [2022-10-17 10:44:40,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2022-10-17 10:44:40,687 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 164 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:44:40,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 441 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:44:40,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-10-17 10:44:40,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 301. [2022-10-17 10:44:40,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 236 states have (on average 1.2245762711864407) internal successors, (289), 250 states have internal predecessors, (289), 32 states have call successors, (32), 28 states have call predecessors, (32), 32 states have return successors, (44), 32 states have call predecessors, (44), 32 states have call successors, (44) [2022-10-17 10:44:40,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 365 transitions. [2022-10-17 10:44:40,721 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 365 transitions. Word has length 51 [2022-10-17 10:44:40,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:44:40,722 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 365 transitions. [2022-10-17 10:44:40,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:44:40,722 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 365 transitions. [2022-10-17 10:44:40,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 10:44:40,723 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:40,723 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] [2022-10-17 10:44:40,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-17 10:44:40,724 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:40,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:40,724 INFO L85 PathProgramCache]: Analyzing trace with hash -251534721, now seen corresponding path program 1 times [2022-10-17 10:44:40,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:40,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940822102] [2022-10-17 10:44:40,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:40,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:40,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:44:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:40,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 10:44:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:40,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:44:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:40,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:44:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:40,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:44:40,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:40,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940822102] [2022-10-17 10:44:40,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940822102] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:44:40,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:44:40,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:44:40,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041854704] [2022-10-17 10:44:40,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:44:40,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:44:40,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:40,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:44:40,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:44:40,805 INFO L87 Difference]: Start difference. First operand 301 states and 365 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:44:40,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:40,993 INFO L93 Difference]: Finished difference Result 521 states and 638 transitions. [2022-10-17 10:44:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 10:44:40,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-10-17 10:44:40,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:44:40,996 INFO L225 Difference]: With dead ends: 521 [2022-10-17 10:44:40,996 INFO L226 Difference]: Without dead ends: 276 [2022-10-17 10:44:40,997 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-10-17 10:44:40,998 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 133 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:44:40,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 316 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:44:40,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-10-17 10:44:41,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 272. [2022-10-17 10:44:41,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 214 states have (on average 1.2242990654205608) internal successors, (262), 227 states have internal predecessors, (262), 29 states have call successors, (29), 25 states have call predecessors, (29), 28 states have return successors, (37), 28 states have call predecessors, (37), 29 states have call successors, (37) [2022-10-17 10:44:41,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 328 transitions. [2022-10-17 10:44:41,027 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 328 transitions. Word has length 51 [2022-10-17 10:44:41,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:44:41,028 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 328 transitions. [2022-10-17 10:44:41,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:44:41,028 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 328 transitions. [2022-10-17 10:44:41,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 10:44:41,029 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:44:41,030 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] [2022-10-17 10:44:41,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-17 10:44:41,030 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:44:41,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:44:41,031 INFO L85 PathProgramCache]: Analyzing trace with hash -614822540, now seen corresponding path program 1 times [2022-10-17 10:44:41,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:44:41,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530239519] [2022-10-17 10:44:41,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:41,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:44:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:41,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:44:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:41,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:44:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:41,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:44:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:41,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-17 10:44:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:41,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-17 10:44:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:41,232 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 10:44:41,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:44:41,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530239519] [2022-10-17 10:44:41,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530239519] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:44:41,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407484124] [2022-10-17 10:44:41,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:44:41,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:44:41,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:44:41,235 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:44:41,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 10:44:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:44:41,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 10:44:41,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:44:41,607 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 10:44:41,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:44:42,043 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 10:44:42,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407484124] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:44:42,043 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:44:42,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 9] total 19 [2022-10-17 10:44:42,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603848061] [2022-10-17 10:44:42,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:44:42,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-17 10:44:42,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:44:42,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-17 10:44:42,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-10-17 10:44:42,046 INFO L87 Difference]: Start difference. First operand 272 states and 328 transitions. Second operand has 19 states, 19 states have (on average 6.947368421052632) internal successors, (132), 14 states have internal predecessors, (132), 7 states have call successors, (17), 10 states have call predecessors, (17), 8 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2022-10-17 10:44:43,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:44:43,737 INFO L93 Difference]: Finished difference Result 820 states and 1060 transitions. [2022-10-17 10:44:43,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-17 10:44:43,738 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.947368421052632) internal successors, (132), 14 states have internal predecessors, (132), 7 states have call successors, (17), 10 states have call predecessors, (17), 8 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) Word has length 81 [2022-10-17 10:44:43,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:44:43,739 INFO L225 Difference]: With dead ends: 820 [2022-10-17 10:44:43,739 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 10:44:43,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 161 SyntacticMatches, 7 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1223 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=927, Invalid=3765, Unknown=0, NotChecked=0, Total=4692 [2022-10-17 10:44:43,746 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 932 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-17 10:44:43,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 860 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-17 10:44:43,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 10:44:43,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 10:44:43,747 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) [2022-10-17 10:44:43,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:44:43,749 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2022-10-17 10:44:43,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:44:43,749 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:44:43,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.947368421052632) internal successors, (132), 14 states have internal predecessors, (132), 7 states have call successors, (17), 10 states have call predecessors, (17), 8 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2022-10-17 10:44:43,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:44:43,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 10:44:43,753 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 10:44:43,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:44:43,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-10-17 10:44:43,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-17 10:44:49,143 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 806 812) no Hoare annotation was computed. [2022-10-17 10:44:49,144 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 806 812) the Hoare annotation is: true [2022-10-17 10:44:49,144 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 486 497) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse6 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse0 (not .cse6)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse7 (not .cse1)) (.cse2 (not (= ~pumpRunning~0 1))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse6 .cse7 .cse2 .cse3 .cse4)))) [2022-10-17 10:44:49,144 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2022-10-17 10:44:49,144 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2022-10-17 10:44:49,144 INFO L899 garLoopResultBuilder]: For program point L704(line 704) no Hoare annotation was computed. [2022-10-17 10:44:49,153 INFO L895 garLoopResultBuilder]: At program point L535(lines 530 538) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse6 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse3 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~3#1|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse8 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= |timeShift_getWaterLevel_#res#1| 1)) (let ((.cse4 (<= ~waterLevel~0 1)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7) .cse1 .cse8 (and .cse3 .cse9 .cse4 .cse5 .cse6))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse3 .cse9 .cse10 .cse6)) (or .cse0 (and .cse3 .cse10 .cse7) .cse1 .cse8 (not (<= 2 |old(~waterLevel~0)|))) (or .cse11 .cse2 .cse1 .cse8) (or .cse0 .cse11 .cse1 .cse8))) [2022-10-17 10:44:49,153 INFO L895 garLoopResultBuilder]: At program point L878(lines 873 880) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse0 .cse1))) [2022-10-17 10:44:49,153 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 782 805) no Hoare annotation was computed. [2022-10-17 10:44:49,153 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 969) no Hoare annotation was computed. [2022-10-17 10:44:49,153 INFO L899 garLoopResultBuilder]: For program point L965-2(lines 965 969) no Hoare annotation was computed. [2022-10-17 10:44:49,153 INFO L895 garLoopResultBuilder]: At program point L705(lines 700 707) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-10-17 10:44:49,154 INFO L895 garLoopResultBuilder]: At program point L854(line 854) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-10-17 10:44:49,154 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2022-10-17 10:44:49,154 INFO L895 garLoopResultBuilder]: At program point L466-2(lines 462 473) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-10-17 10:44:49,154 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 449) no Hoare annotation was computed. [2022-10-17 10:44:49,154 INFO L895 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-10-17 10:44:49,154 INFO L895 garLoopResultBuilder]: At program point L859-1(lines 840 864) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse5 (<= ~waterLevel~0 1)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse5 .cse6 .cse4) (not (= |old(~pumpRunning~0)| 1)) (and .cse7 .cse5 .cse6) .cse1 .cse2)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse7 .cse3) .cse1))) [2022-10-17 10:44:49,155 INFO L899 garLoopResultBuilder]: For program point L793-1(lines 793 799) no Hoare annotation was computed. [2022-10-17 10:44:49,155 INFO L895 garLoopResultBuilder]: At program point L558(lines 553 561) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-10-17 10:44:49,155 INFO L895 garLoopResultBuilder]: At program point L971(lines 956 974) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-10-17 10:44:49,155 INFO L895 garLoopResultBuilder]: At program point L897(lines 892 900) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~3#1|) (= |timeShift_isPumpRunning_#res#1| 1) (<= 2 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1))) (or (not (= |old(~pumpRunning~0)| 1)) .cse1 .cse2) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2022-10-17 10:44:49,155 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 445) no Hoare annotation was computed. [2022-10-17 10:44:49,155 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 448) no Hoare annotation was computed. [2022-10-17 10:44:49,156 INFO L895 garLoopResultBuilder]: At program point L435-1(lines 420 452) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~3#1|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~pumpRunning~0 1))) (let ((.cse8 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (<= ~waterLevel~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (and (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1| 1) (<= |timeShift_getWaterLevel_#res#1| 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and .cse7 (<= 2 ~waterLevel~0) .cse10 .cse12)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10) .cse3 .cse4) (let ((.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse7 .cse8 .cse9 .cse11) .cse2 .cse3 .cse4 (and .cse7 .cse9 .cse11 .cse12))) (or .cse5 .cse0 .cse1 .cse6 .cse3 .cse4)))) [2022-10-17 10:44:49,156 INFO L899 garLoopResultBuilder]: For program point L786-1(lines 785 804) no Hoare annotation was computed. [2022-10-17 10:44:49,156 INFO L899 garLoopResultBuilder]: For program point L848(lines 848 856) no Hoare annotation was computed. [2022-10-17 10:44:49,156 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 782 805) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse2) .cse0 .cse1))) [2022-10-17 10:44:49,156 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 861) no Hoare annotation was computed. [2022-10-17 10:44:49,156 INFO L895 garLoopResultBuilder]: At program point L427(line 427) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse5 (<= ~waterLevel~0 1)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse5 .cse6 .cse4) (not (= |old(~pumpRunning~0)| 1)) (and .cse7 .cse5 .cse6) .cse1 .cse2)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse7 .cse3) .cse1))) [2022-10-17 10:44:49,156 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 782 805) no Hoare annotation was computed. [2022-10-17 10:44:49,157 INFO L899 garLoopResultBuilder]: For program point L427-1(line 427) no Hoare annotation was computed. [2022-10-17 10:44:49,157 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 704) no Hoare annotation was computed. [2022-10-17 10:44:49,157 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-10-17 10:44:49,157 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 565 594) no Hoare annotation was computed. [2022-10-17 10:44:49,157 INFO L902 garLoopResultBuilder]: At program point L575-2(lines 575 589) the Hoare annotation is: true [2022-10-17 10:44:49,157 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 565 594) the Hoare annotation is: true [2022-10-17 10:44:49,157 INFO L902 garLoopResultBuilder]: At program point L571(line 571) the Hoare annotation is: true [2022-10-17 10:44:49,157 INFO L899 garLoopResultBuilder]: For program point L571-1(line 571) no Hoare annotation was computed. [2022-10-17 10:44:49,157 INFO L902 garLoopResultBuilder]: At program point L590(lines 565 594) the Hoare annotation is: true [2022-10-17 10:44:49,158 INFO L899 garLoopResultBuilder]: For program point L586(line 586) no Hoare annotation was computed. [2022-10-17 10:44:49,158 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2022-10-17 10:44:49,158 INFO L902 garLoopResultBuilder]: At program point L579-1(lines 579 583) the Hoare annotation is: true [2022-10-17 10:44:49,158 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 498 506) the Hoare annotation is: true [2022-10-17 10:44:49,158 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 498 506) no Hoare annotation was computed. [2022-10-17 10:44:49,158 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 498 506) no Hoare annotation was computed. [2022-10-17 10:44:49,158 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 762) no Hoare annotation was computed. [2022-10-17 10:44:49,158 INFO L895 garLoopResultBuilder]: At program point L758-2(lines 750 763) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)))) [2022-10-17 10:44:49,158 INFO L899 garLoopResultBuilder]: For program point L721(lines 720 767) no Hoare annotation was computed. [2022-10-17 10:44:49,159 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 763) no Hoare annotation was computed. [2022-10-17 10:44:49,159 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 658) no Hoare annotation was computed. [2022-10-17 10:44:49,159 INFO L899 garLoopResultBuilder]: For program point L651-2(lines 651 658) no Hoare annotation was computed. [2022-10-17 10:44:49,159 INFO L895 garLoopResultBuilder]: At program point L680(lines 676 682) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-10-17 10:44:49,163 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)))) [2022-10-17 10:44:49,163 INFO L902 garLoopResultBuilder]: At program point L771(lines 710 775) the Hoare annotation is: true [2022-10-17 10:44:49,164 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-17 10:44:49,164 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-17 10:44:49,164 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-17 10:44:49,164 INFO L902 garLoopResultBuilder]: At program point L635(lines 628 637) the Hoare annotation is: true [2022-10-17 10:44:49,164 INFO L899 garLoopResultBuilder]: For program point L730(lines 730 736) no Hoare annotation was computed. [2022-10-17 10:44:49,164 INFO L899 garLoopResultBuilder]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2022-10-17 10:44:49,164 INFO L902 garLoopResultBuilder]: At program point L660(lines 641 663) the Hoare annotation is: true [2022-10-17 10:44:49,165 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 726) no Hoare annotation was computed. [2022-10-17 10:44:49,165 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-17 10:44:49,165 INFO L895 garLoopResultBuilder]: At program point L768(lines 719 769) the Hoare annotation is: false [2022-10-17 10:44:49,165 INFO L895 garLoopResultBuilder]: At program point L624(lines 620 626) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-10-17 10:44:49,165 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 746) no Hoare annotation was computed. [2022-10-17 10:44:49,166 INFO L899 garLoopResultBuilder]: For program point L740-1(lines 740 746) no Hoare annotation was computed. [2022-10-17 10:44:49,166 INFO L895 garLoopResultBuilder]: At program point L765(lines 720 767) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3 (= ~pumpRunning~0 1)))) [2022-10-17 10:44:49,166 INFO L895 garLoopResultBuilder]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3 (= ~pumpRunning~0 1)))) [2022-10-17 10:44:49,166 INFO L895 garLoopResultBuilder]: At program point L695(lines 690 698) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-10-17 10:44:49,166 INFO L895 garLoopResultBuilder]: At program point L980(lines 975 982) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)))) [2022-10-17 10:44:49,167 INFO L895 garLoopResultBuilder]: At program point L687(lines 683 689) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-10-17 10:44:49,167 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 814 838) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) .cse0 (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse0))) [2022-10-17 10:44:49,167 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2022-10-17 10:44:49,167 INFO L895 garLoopResultBuilder]: At program point L828(line 828) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse1) (or (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0)) .cse0 .cse2 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse2 .cse1))) [2022-10-17 10:44:49,168 INFO L895 garLoopResultBuilder]: At program point L952(lines 937 955) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (.cse4 (not (<= ~waterLevel~0 1))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) .cse3) .cse4 .cse5) (or .cse0 (not (<= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse5 (and .cse1 .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0) (not .cse3) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (or (not (= |old(~pumpRunning~0)| 1)) .cse4 .cse5))) [2022-10-17 10:44:49,168 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 830) no Hoare annotation was computed. [2022-10-17 10:44:49,168 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 835) no Hoare annotation was computed. [2022-10-17 10:44:49,168 INFO L899 garLoopResultBuilder]: For program point L946(lines 946 950) no Hoare annotation was computed. [2022-10-17 10:44:49,168 INFO L899 garLoopResultBuilder]: For program point L946-2(lines 946 950) no Hoare annotation was computed. [2022-10-17 10:44:49,169 INFO L895 garLoopResultBuilder]: At program point L870(lines 865 872) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= ~waterLevel~0 2)) .cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (= ~pumpRunning~0 1))) (or .cse0 .cse2 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse2 .cse1))) [2022-10-17 10:44:49,169 INFO L895 garLoopResultBuilder]: At program point L548(lines 539 552) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (not .cse2)) .cse3 .cse4) (or .cse0 (not (<= 2 ~waterLevel~0)) (and .cse1 .cse2) (not (<= ~waterLevel~0 2)) .cse4) (or (not (= |old(~pumpRunning~0)| 1)) .cse3 .cse4))) [2022-10-17 10:44:49,169 INFO L895 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) .cse0 (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0))) [2022-10-17 10:44:49,169 INFO L899 garLoopResultBuilder]: For program point L833-1(lines 814 838) no Hoare annotation was computed. [2022-10-17 10:44:49,169 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 814 838) no Hoare annotation was computed. [2022-10-17 10:44:49,169 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2022-10-17 10:44:49,170 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2022-10-17 10:44:49,170 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 474 485) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 1)) .cse0 .cse1 (not (<= |old(~waterLevel~0)| 2))))) [2022-10-17 10:44:49,173 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:44:49,175 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:44:49,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:44:49 BoogieIcfgContainer [2022-10-17 10:44:49,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:44:49,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:44:49,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:44:49,214 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:44:49,215 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:44:36" (3/4) ... [2022-10-17 10:44:49,218 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 10:44:49,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 10:44:49,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 10:44:49,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 10:44:49,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 10:44:49,225 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 10:44:49,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:44:49,226 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 10:44:49,244 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2022-10-17 10:44:49,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-10-17 10:44:49,246 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-10-17 10:44:49,247 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 10:44:49,247 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 10:44:49,248 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:44:49,249 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:44:49,282 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-10-17 10:44:49,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-10-17 10:44:49,283 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1) [2022-10-17 10:44:49,285 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-10-17 10:44:49,286 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) || !(2 <= \old(waterLevel))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) [2022-10-17 10:44:49,287 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1) [2022-10-17 10:44:49,288 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp___0 <= 1 && \result <= 1) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || (((methaneLevelCritical == tmp && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1))) && (((((!(\old(pumpRunning) == 0) || (tmp___0 <= 1 && \result <= 1)) || !(methaneLevelCritical == 0)) || (((methaneLevelCritical == tmp && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-10-17 10:44:49,288 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-10-17 10:44:49,288 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || \result == 1) && ((((!(\old(pumpRunning) == 1) || ((((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || (((methaneLevelCritical == tmp && pumpRunning == 0) && \old(waterLevel) == waterLevel) && \result <= 1))) && ((((!(\old(pumpRunning) == 0) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-10-17 10:44:49,289 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(\result == 0))) || !(waterLevel <= 1)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) [2022-10-17 10:44:49,289 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-10-17 10:44:49,289 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((methaneLevelCritical == tmp && \result == 1) && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-10-17 10:44:49,290 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 1)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == 0) && !(\result == 0)) && 1 <= tmp___0) && \result == 0))) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) [2022-10-17 10:44:49,290 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-10-17 10:44:49,291 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || 0 == systemActive) || (((((!(tmp == 0) && tmp == 0) && !(\result == 0)) && 1 <= tmp___0) && \result == 0) && pumpRunning == 1)) && ((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) [2022-10-17 10:44:49,291 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-10-17 10:44:49,344 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:44:49,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:44:49,345 INFO L158 Benchmark]: Toolchain (without parser) took 14580.61ms. Allocated memory was 100.7MB in the beginning and 197.1MB in the end (delta: 96.5MB). Free memory was 58.7MB in the beginning and 75.0MB in the end (delta: -16.3MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. [2022-10-17 10:44:49,345 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory was 75.7MB in the beginning and 75.6MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:44:49,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.35ms. Allocated memory is still 100.7MB. Free memory was 58.5MB in the beginning and 66.2MB in the end (delta: -7.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-10-17 10:44:49,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.96ms. Allocated memory is still 100.7MB. Free memory was 66.2MB in the beginning and 63.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:44:49,347 INFO L158 Benchmark]: Boogie Preprocessor took 61.15ms. Allocated memory is still 100.7MB. Free memory was 63.8MB in the beginning and 62.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:44:49,347 INFO L158 Benchmark]: RCFGBuilder took 668.81ms. Allocated memory is still 100.7MB. Free memory was 61.8MB in the beginning and 42.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 10:44:49,349 INFO L158 Benchmark]: TraceAbstraction took 13073.29ms. Allocated memory was 100.7MB in the beginning and 197.1MB in the end (delta: 96.5MB). Free memory was 42.2MB in the beginning and 81.3MB in the end (delta: -39.1MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. [2022-10-17 10:44:49,349 INFO L158 Benchmark]: Witness Printer took 137.37ms. Allocated memory is still 197.1MB. Free memory was 81.3MB in the beginning and 75.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:44:49,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 100.7MB. Free memory was 75.7MB in the beginning and 75.6MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.35ms. Allocated memory is still 100.7MB. Free memory was 58.5MB in the beginning and 66.2MB in the end (delta: -7.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.96ms. Allocated memory is still 100.7MB. Free memory was 66.2MB in the beginning and 63.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.15ms. Allocated memory is still 100.7MB. Free memory was 63.8MB in the beginning and 62.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 668.81ms. Allocated memory is still 100.7MB. Free memory was 61.8MB in the beginning and 42.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 13073.29ms. Allocated memory was 100.7MB in the beginning and 197.1MB in the end (delta: 96.5MB). Free memory was 42.2MB in the beginning and 81.3MB in the end (delta: -39.1MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. * Witness Printer took 137.37ms. Allocated memory is still 197.1MB. Free memory was 81.3MB in the beginning and 75.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 704]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.9s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2255 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2227 mSDsluCounter, 4400 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3098 mSDsCounter, 683 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2380 IncrementalHoareTripleChecker+Invalid, 3063 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 683 mSolverCounterUnsat, 1302 mSDtfsCounter, 2380 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 246 SyntacticMatches, 7 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1275 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=301occurred in iteration=9, InterpolantAutomatonStates: 134, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 65 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 1117 PreInvPairs, 1368 NumberOfFragments, 1438 HoareAnnotationTreeSize, 1117 FomulaSimplifications, 212 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 41 FomulaSimplificationsInter, 12217 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 618 NumberOfCodeBlocks, 618 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 685 ConstructedInterpolants, 0 QuantifiedInterpolants, 1315 SizeOfPredicates, 4 NumberOfNonLiveVariables, 438 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 45/63 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: 420]: Loop Invariant Derived loop invariant: (((((((tmp___0 <= 1 && \result <= 1) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || (((methaneLevelCritical == tmp && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1))) && (((((!(\old(pumpRunning) == 0) || (tmp___0 <= 1 && \result <= 1)) || !(methaneLevelCritical == 0)) || (((methaneLevelCritical == tmp && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 1)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == 0) && !(\result == 0)) && 1 <= tmp___0) && \result == 0))) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(\result == 0))) || !(waterLevel <= 1)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) || !(2 <= \old(waterLevel))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((methaneLevelCritical == tmp && \result == 1) && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || 0 == systemActive) || (((((!(tmp == 0) && tmp == 0) && !(\result == 0)) && 1 <= tmp___0) && \result == 0) && pumpRunning == 1)) && ((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || \result == 1) && ((((!(\old(pumpRunning) == 1) || ((((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || (((methaneLevelCritical == tmp && pumpRunning == 0) && \old(waterLevel) == waterLevel) && \result <= 1))) && ((((!(\old(pumpRunning) == 0) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2)) RESULT: Ultimate proved your program to be correct! [2022-10-17 10:44:49,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99fbbc0-4a25-4832-ba48-d1677aa13dfa/bin/uautomizer-J5u9QxTXDZ/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