./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product64.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_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/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_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/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_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/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 c6b9b08cafcd1ede2e2b3a8fb1be067350eaac45a7dc4fb4db0fb4cb0fdccd74 --- 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 10:34:18,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:34:18,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:34:18,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:34:18,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:34:18,570 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:34:18,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:34:18,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:34:18,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:34:18,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:34:18,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:34:18,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:34:18,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:34:18,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:34:18,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:34:18,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:34:18,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:34:18,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:34:18,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:34:18,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:34:18,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:34:18,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:34:18,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:34:18,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:34:18,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:34:18,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:34:18,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:34:18,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:34:18,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:34:18,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:34:18,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:34:18,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:34:18,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:34:18,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:34:18,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:34:18,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:34:18,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:34:18,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:34:18,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:34:18,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:34:18,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:34:18,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:34:18,688 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:34:18,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:34:18,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:34:18,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:34:18,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:34:18,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:34:18,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:34:18,690 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:34:18,690 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:34:18,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:34:18,691 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:34:18,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:34:18,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:34:18,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:34:18,692 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:34:18,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:34:18,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:34:18,692 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:34:18,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:34:18,693 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:34:18,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:34:18,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:34:18,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:34:18,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:34:18,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:34:18,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:34:18,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:34:18,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:34:18,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:34:18,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:34:18,695 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:34:18,696 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:34:18,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:34:18,696 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_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6b9b08cafcd1ede2e2b3a8fb1be067350eaac45a7dc4fb4db0fb4cb0fdccd74 [2022-10-17 10:34:18,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:34:18,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:34:18,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:34:18,965 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:34:18,966 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:34:18,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c [2022-10-17 10:34:19,030 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/data/52de1f6e2/379592864cf74e63b6364efdb76ffb4c/FLAG4ce648468 [2022-10-17 10:34:19,483 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:34:19,484 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c [2022-10-17 10:34:19,505 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/data/52de1f6e2/379592864cf74e63b6364efdb76ffb4c/FLAG4ce648468 [2022-10-17 10:34:19,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/data/52de1f6e2/379592864cf74e63b6364efdb76ffb4c [2022-10-17 10:34:19,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:34:19,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:34:19,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:34:19,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:34:19,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:34:19,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:34:19" (1/1) ... [2022-10-17 10:34:19,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@259f5a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:19, skipping insertion in model container [2022-10-17 10:34:19,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:34:19" (1/1) ... [2022-10-17 10:34:19,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:34:19,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:34:19,853 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_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c[1605,1618] [2022-10-17 10:34:20,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:34:20,032 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:34:20,056 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_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c[1605,1618] [2022-10-17 10:34:20,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:34:20,187 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:34:20,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:20 WrapperNode [2022-10-17 10:34:20,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:34:20,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:34:20,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:34:20,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:34:20,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:20" (1/1) ... [2022-10-17 10:34:20,225 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:20" (1/1) ... [2022-10-17 10:34:20,278 INFO L138 Inliner]: procedures = 59, calls = 163, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 276 [2022-10-17 10:34:20,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:34:20,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:34:20,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:34:20,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:34:20,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:20" (1/1) ... [2022-10-17 10:34:20,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:20" (1/1) ... [2022-10-17 10:34:20,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:20" (1/1) ... [2022-10-17 10:34:20,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:20" (1/1) ... [2022-10-17 10:34:20,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:20" (1/1) ... [2022-10-17 10:34:20,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:20" (1/1) ... [2022-10-17 10:34:20,328 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:20" (1/1) ... [2022-10-17 10:34:20,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:20" (1/1) ... [2022-10-17 10:34:20,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:34:20,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:34:20,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:34:20,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:34:20,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:20" (1/1) ... [2022-10-17 10:34:20,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:34:20,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:34:20,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:34:20,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:34:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:34:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 10:34:20,410 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 10:34:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 10:34:20,411 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 10:34:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 10:34:20,411 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 10:34:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 10:34:20,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 10:34:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:34:20,411 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:34:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 10:34:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 10:34:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 10:34:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 10:34:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 10:34:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 10:34:20,412 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 10:34:20,412 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 10:34:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:34:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 10:34:20,413 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 10:34:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:34:20,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:34:20,488 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:34:20,490 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:34:20,903 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:34:20,912 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:34:20,912 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:34:20,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:34:20 BoogieIcfgContainer [2022-10-17 10:34:20,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:34:20,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:34:20,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:34:20,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:34:20,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:34:19" (1/3) ... [2022-10-17 10:34:20,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec82537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:34:20, skipping insertion in model container [2022-10-17 10:34:20,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:34:20" (2/3) ... [2022-10-17 10:34:20,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec82537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:34:20, skipping insertion in model container [2022-10-17 10:34:20,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:34:20" (3/3) ... [2022-10-17 10:34:20,924 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64.cil.c [2022-10-17 10:34:20,942 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:34:20,943 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:34:21,011 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:34:21,017 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;@70676321, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:34:21,018 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:34:21,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 93 states have internal predecessors, (112), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2022-10-17 10:34:21,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 10:34:21,033 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:34:21,033 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] [2022-10-17 10:34:21,034 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:34:21,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:34:21,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1906157068, now seen corresponding path program 1 times [2022-10-17 10:34:21,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:34:21,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147231696] [2022-10-17 10:34:21,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:21,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:34:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:21,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:34:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:21,308 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 10:34:21,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:34:21,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147231696] [2022-10-17 10:34:21,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147231696] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:34:21,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:34:21,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:34:21,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111476214] [2022-10-17 10:34:21,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:34:21,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 10:34:21,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:34:21,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:34:21,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:34:21,362 INFO L87 Difference]: Start difference. First operand has 113 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 93 states have internal predecessors, (112), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 10:34:21,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:34:21,407 INFO L93 Difference]: Finished difference Result 218 states and 295 transitions. [2022-10-17 10:34:21,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:34:21,409 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2022-10-17 10:34:21,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:34:21,420 INFO L225 Difference]: With dead ends: 218 [2022-10-17 10:34:21,421 INFO L226 Difference]: Without dead ends: 104 [2022-10-17 10:34:21,425 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 10:34:21,429 INFO L413 NwaCegarLoop]: 144 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, 144 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 10:34:21,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:34:21,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-10-17 10:34:21,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-10-17 10:34:21,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 75 states have (on average 1.3066666666666666) internal successors, (98), 85 states have internal predecessors, (98), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-10-17 10:34:21,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 135 transitions. [2022-10-17 10:34:21,483 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 135 transitions. Word has length 23 [2022-10-17 10:34:21,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:34:21,483 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 135 transitions. [2022-10-17 10:34:21,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 10:34:21,484 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 135 transitions. [2022-10-17 10:34:21,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 10:34:21,487 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:34:21,487 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:34:21,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:34:21,487 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:34:21,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:34:21,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1844087638, now seen corresponding path program 1 times [2022-10-17 10:34:21,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:34:21,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015259452] [2022-10-17 10:34:21,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:21,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:34:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:21,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-17 10:34:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:21,660 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 10:34:21,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:34:21,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015259452] [2022-10-17 10:34:21,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015259452] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:34:21,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:34:21,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:34:21,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868994378] [2022-10-17 10:34:21,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:34:21,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:34:21,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:34:21,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:34:21,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:34:21,671 INFO L87 Difference]: Start difference. First operand 104 states and 135 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 10:34:21,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:34:21,707 INFO L93 Difference]: Finished difference Result 169 states and 219 transitions. [2022-10-17 10:34:21,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:34:21,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2022-10-17 10:34:21,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:34:21,718 INFO L225 Difference]: With dead ends: 169 [2022-10-17 10:34:21,719 INFO L226 Difference]: Without dead ends: 95 [2022-10-17 10:34:21,725 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 10:34:21,727 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 17 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 222 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 10:34:21,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 222 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:34:21,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-10-17 10:34:21,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-10-17 10:34:21,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 69 states have (on average 1.318840579710145) internal successors, (91), 79 states have internal predecessors, (91), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-10-17 10:34:21,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 123 transitions. [2022-10-17 10:34:21,760 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 123 transitions. Word has length 24 [2022-10-17 10:34:21,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:34:21,760 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 123 transitions. [2022-10-17 10:34:21,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 10:34:21,760 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2022-10-17 10:34:21,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 10:34:21,762 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:34:21,762 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:34:21,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:34:21,762 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:34:21,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:34:21,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1533698931, now seen corresponding path program 1 times [2022-10-17 10:34:21,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:34:21,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686662342] [2022-10-17 10:34:21,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:21,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:34:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:21,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:34:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:21,902 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 10:34:21,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:34:21,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686662342] [2022-10-17 10:34:21,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686662342] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:34:21,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:34:21,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:34:21,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372693378] [2022-10-17 10:34:21,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:34:21,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:34:21,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:34:21,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:34:21,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:34:21,905 INFO L87 Difference]: Start difference. First operand 95 states and 123 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 10:34:22,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:34:22,083 INFO L93 Difference]: Finished difference Result 225 states and 294 transitions. [2022-10-17 10:34:22,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:34:22,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 29 [2022-10-17 10:34:22,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:34:22,086 INFO L225 Difference]: With dead ends: 225 [2022-10-17 10:34:22,086 INFO L226 Difference]: Without dead ends: 137 [2022-10-17 10:34:22,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-17 10:34:22,089 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 186 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:34:22,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 399 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:34:22,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2022-10-17 10:34:22,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 134. [2022-10-17 10:34:22,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 98 states have (on average 1.336734693877551) internal successors, (131), 111 states have internal predecessors, (131), 21 states have call successors, (21), 14 states have call predecessors, (21), 14 states have return successors, (22), 15 states have call predecessors, (22), 21 states have call successors, (22) [2022-10-17 10:34:22,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 174 transitions. [2022-10-17 10:34:22,111 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 174 transitions. Word has length 29 [2022-10-17 10:34:22,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:34:22,112 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 174 transitions. [2022-10-17 10:34:22,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 10:34:22,112 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 174 transitions. [2022-10-17 10:34:22,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 10:34:22,114 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:34:22,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:34:22,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:34:22,115 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:34:22,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:34:22,115 INFO L85 PathProgramCache]: Analyzing trace with hash 521603362, now seen corresponding path program 1 times [2022-10-17 10:34:22,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:34:22,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928000536] [2022-10-17 10:34:22,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:22,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:34:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:22,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:34:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:22,312 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 10:34:22,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:34:22,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928000536] [2022-10-17 10:34:22,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928000536] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:34:22,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:34:22,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:34:22,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42205466] [2022-10-17 10:34:22,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:34:22,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:34:22,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:34:22,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:34:22,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:34:22,315 INFO L87 Difference]: Start difference. First operand 134 states and 174 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:34:22,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:34:22,421 INFO L93 Difference]: Finished difference Result 316 states and 423 transitions. [2022-10-17 10:34:22,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:34:22,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-10-17 10:34:22,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:34:22,424 INFO L225 Difference]: With dead ends: 316 [2022-10-17 10:34:22,425 INFO L226 Difference]: Without dead ends: 189 [2022-10-17 10:34:22,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:34:22,427 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 76 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:34:22,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 459 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:34:22,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-10-17 10:34:22,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2022-10-17 10:34:22,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 132 states have (on average 1.2727272727272727) internal successors, (168), 144 states have internal predecessors, (168), 25 states have call successors, (25), 21 states have call predecessors, (25), 21 states have return successors, (33), 23 states have call predecessors, (33), 25 states have call successors, (33) [2022-10-17 10:34:22,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 226 transitions. [2022-10-17 10:34:22,455 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 226 transitions. Word has length 32 [2022-10-17 10:34:22,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:34:22,455 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 226 transitions. [2022-10-17 10:34:22,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-17 10:34:22,456 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 226 transitions. [2022-10-17 10:34:22,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 10:34:22,458 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:34:22,459 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:34:22,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:34:22,459 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:34:22,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:34:22,460 INFO L85 PathProgramCache]: Analyzing trace with hash 2031492755, now seen corresponding path program 1 times [2022-10-17 10:34:22,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:34:22,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420651175] [2022-10-17 10:34:22,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:22,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:34:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:22,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:34:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:34:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:22,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:34:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:22,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:34:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-17 10:34:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 10:34:22,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:34:22,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420651175] [2022-10-17 10:34:22,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420651175] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:34:22,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:34:22,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:34:22,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622476674] [2022-10-17 10:34:22,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:34:22,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:34:22,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:34:22,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:34:22,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:34:22,587 INFO L87 Difference]: Start difference. First operand 179 states and 226 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-17 10:34:22,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:34:22,853 INFO L93 Difference]: Finished difference Result 411 states and 534 transitions. [2022-10-17 10:34:22,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-17 10:34:22,854 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 63 [2022-10-17 10:34:22,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:34:22,856 INFO L225 Difference]: With dead ends: 411 [2022-10-17 10:34:22,856 INFO L226 Difference]: Without dead ends: 239 [2022-10-17 10:34:22,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-10-17 10:34:22,859 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 153 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:34:22,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 500 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:34:22,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-10-17 10:34:22,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 207. [2022-10-17 10:34:22,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 153 states have (on average 1.2483660130718954) internal successors, (191), 165 states have internal predecessors, (191), 27 states have call successors, (27), 21 states have call predecessors, (27), 26 states have return successors, (38), 29 states have call predecessors, (38), 27 states have call successors, (38) [2022-10-17 10:34:22,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 256 transitions. [2022-10-17 10:34:22,889 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 256 transitions. Word has length 63 [2022-10-17 10:34:22,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:34:22,890 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 256 transitions. [2022-10-17 10:34:22,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-17 10:34:22,890 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 256 transitions. [2022-10-17 10:34:22,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 10:34:22,893 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:34:22,893 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:34:22,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 10:34:22,893 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:34:22,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:34:22,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1964006790, now seen corresponding path program 1 times [2022-10-17 10:34:22,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:34:22,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073142932] [2022-10-17 10:34:22,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:22,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:34:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:23,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:34:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:23,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:34:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:23,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:34:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:23,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:34:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:23,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-17 10:34:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:23,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 10:34:23,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:34:23,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073142932] [2022-10-17 10:34:23,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073142932] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:34:23,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:34:23,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:34:23,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441505321] [2022-10-17 10:34:23,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:34:23,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:34:23,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:34:23,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:34:23,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:34:23,135 INFO L87 Difference]: Start difference. First operand 207 states and 256 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-10-17 10:34:23,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:34:23,488 INFO L93 Difference]: Finished difference Result 691 states and 903 transitions. [2022-10-17 10:34:23,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:34:23,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 60 [2022-10-17 10:34:23,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:34:23,493 INFO L225 Difference]: With dead ends: 691 [2022-10-17 10:34:23,493 INFO L226 Difference]: Without dead ends: 491 [2022-10-17 10:34:23,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 1 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 10:34:23,496 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 290 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-17 10:34:23,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 403 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-17 10:34:23,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2022-10-17 10:34:23,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 484. [2022-10-17 10:34:23,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 359 states have (on average 1.2367688022284122) internal successors, (444), 384 states have internal predecessors, (444), 63 states have call successors, (63), 55 states have call predecessors, (63), 61 states have return successors, (107), 66 states have call predecessors, (107), 63 states have call successors, (107) [2022-10-17 10:34:23,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 614 transitions. [2022-10-17 10:34:23,558 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 614 transitions. Word has length 60 [2022-10-17 10:34:23,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:34:23,558 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 614 transitions. [2022-10-17 10:34:23,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-10-17 10:34:23,559 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 614 transitions. [2022-10-17 10:34:23,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 10:34:23,562 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:34:23,562 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:34:23,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-17 10:34:23,563 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:34:23,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:34:23,563 INFO L85 PathProgramCache]: Analyzing trace with hash -361736822, now seen corresponding path program 1 times [2022-10-17 10:34:23,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:34:23,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412747401] [2022-10-17 10:34:23,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:23,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:34:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:23,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:34:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:23,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:34:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:23,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:34:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:23,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:34:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:23,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-17 10:34:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:23,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 10:34:23,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:34:23,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412747401] [2022-10-17 10:34:23,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412747401] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:34:23,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:34:23,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:34:23,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788503377] [2022-10-17 10:34:23,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:34:23,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:34:23,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:34:23,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:34:23,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:34:23,721 INFO L87 Difference]: Start difference. First operand 484 states and 614 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-17 10:34:23,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:34:23,984 INFO L93 Difference]: Finished difference Result 981 states and 1272 transitions. [2022-10-17 10:34:23,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:34:23,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-10-17 10:34:23,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:34:23,991 INFO L225 Difference]: With dead ends: 981 [2022-10-17 10:34:23,991 INFO L226 Difference]: Without dead ends: 504 [2022-10-17 10:34:23,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 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 10:34:23,994 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 77 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:34:23,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 405 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:34:23,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2022-10-17 10:34:24,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 490. [2022-10-17 10:34:24,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 365 states have (on average 1.2328767123287672) internal successors, (450), 390 states have internal predecessors, (450), 63 states have call successors, (63), 55 states have call predecessors, (63), 61 states have return successors, (107), 66 states have call predecessors, (107), 63 states have call successors, (107) [2022-10-17 10:34:24,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 620 transitions. [2022-10-17 10:34:24,057 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 620 transitions. Word has length 60 [2022-10-17 10:34:24,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:34:24,059 INFO L495 AbstractCegarLoop]: Abstraction has 490 states and 620 transitions. [2022-10-17 10:34:24,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-17 10:34:24,059 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 620 transitions. [2022-10-17 10:34:24,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 10:34:24,063 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:34:24,064 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:34:24,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-17 10:34:24,064 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:34:24,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:34:24,064 INFO L85 PathProgramCache]: Analyzing trace with hash -86977208, now seen corresponding path program 1 times [2022-10-17 10:34:24,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:34:24,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120771159] [2022-10-17 10:34:24,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:24,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:34:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:24,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:34:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:24,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:34:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:24,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:34:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:24,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:34:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:24,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-17 10:34:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:24,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 10:34:24,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:34:24,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120771159] [2022-10-17 10:34:24,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120771159] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:34:24,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:34:24,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:34:24,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190999511] [2022-10-17 10:34:24,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:34:24,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-17 10:34:24,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:34:24,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-17 10:34:24,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-17 10:34:24,317 INFO L87 Difference]: Start difference. First operand 490 states and 620 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-17 10:34:24,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:34:24,538 INFO L93 Difference]: Finished difference Result 893 states and 1141 transitions. [2022-10-17 10:34:24,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:34:24,538 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-10-17 10:34:24,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:34:24,542 INFO L225 Difference]: With dead ends: 893 [2022-10-17 10:34:24,542 INFO L226 Difference]: Without dead ends: 410 [2022-10-17 10:34:24,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-10-17 10:34:24,545 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 119 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:34:24,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 440 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:34:24,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-10-17 10:34:24,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 408. [2022-10-17 10:34:24,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 304 states have (on average 1.2236842105263157) internal successors, (372), 324 states have internal predecessors, (372), 53 states have call successors, (53), 48 states have call predecessors, (53), 50 states have return successors, (80), 53 states have call predecessors, (80), 53 states have call successors, (80) [2022-10-17 10:34:24,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 505 transitions. [2022-10-17 10:34:24,600 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 505 transitions. Word has length 60 [2022-10-17 10:34:24,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:34:24,601 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 505 transitions. [2022-10-17 10:34:24,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-17 10:34:24,601 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 505 transitions. [2022-10-17 10:34:24,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 10:34:24,603 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:34:24,603 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:34:24,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-17 10:34:24,604 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:34:24,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:34:24,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1271229164, now seen corresponding path program 1 times [2022-10-17 10:34:24,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:34:24,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044857086] [2022-10-17 10:34:24,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:24,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:34:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:24,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:34:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:24,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-10-17 10:34:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:24,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:34:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:24,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:34:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:24,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:34:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:24,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-17 10:34:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:24,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 10:34:24,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:34:24,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044857086] [2022-10-17 10:34:24,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044857086] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:34:24,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:34:24,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-17 10:34:24,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586001206] [2022-10-17 10:34:24,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:34:24,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-17 10:34:24,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:34:24,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-17 10:34:24,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-17 10:34:24,791 INFO L87 Difference]: Start difference. First operand 408 states and 505 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-17 10:34:25,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:34:25,558 INFO L93 Difference]: Finished difference Result 1354 states and 1734 transitions. [2022-10-17 10:34:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-17 10:34:25,559 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2022-10-17 10:34:25,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:34:25,566 INFO L225 Difference]: With dead ends: 1354 [2022-10-17 10:34:25,566 INFO L226 Difference]: Without dead ends: 953 [2022-10-17 10:34:25,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=467, Unknown=0, NotChecked=0, Total=600 [2022-10-17 10:34:25,569 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 364 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-17 10:34:25,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 410 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-17 10:34:25,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2022-10-17 10:34:25,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 887. [2022-10-17 10:34:25,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 652 states have (on average 1.1947852760736197) internal successors, (779), 701 states have internal predecessors, (779), 122 states have call successors, (122), 96 states have call predecessors, (122), 112 states have return successors, (206), 124 states have call predecessors, (206), 122 states have call successors, (206) [2022-10-17 10:34:25,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1107 transitions. [2022-10-17 10:34:25,668 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1107 transitions. Word has length 64 [2022-10-17 10:34:25,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:34:25,668 INFO L495 AbstractCegarLoop]: Abstraction has 887 states and 1107 transitions. [2022-10-17 10:34:25,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-17 10:34:25,669 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1107 transitions. [2022-10-17 10:34:25,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 10:34:25,671 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:34:25,671 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:34:25,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-17 10:34:25,671 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:34:25,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:34:25,672 INFO L85 PathProgramCache]: Analyzing trace with hash 2077759664, now seen corresponding path program 1 times [2022-10-17 10:34:25,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:34:25,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176175034] [2022-10-17 10:34:25,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:25,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:34:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:25,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:34:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:25,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-17 10:34:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:25,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-17 10:34:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:34:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:25,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:34:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:26,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:34:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:26,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-10-17 10:34:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:26,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 10:34:26,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:34:26,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176175034] [2022-10-17 10:34:26,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176175034] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:34:26,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972171303] [2022-10-17 10:34:26,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:26,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:34:26,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:34:26,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:34:26,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 10:34:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:26,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 10:34:26,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:34:26,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:34:26,339 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:34:26,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972171303] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:34:26,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:34:26,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2022-10-17 10:34:26,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243560190] [2022-10-17 10:34:26,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:34:26,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-17 10:34:26,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:34:26,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-17 10:34:26,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-10-17 10:34:26,341 INFO L87 Difference]: Start difference. First operand 887 states and 1107 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-17 10:34:26,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:34:26,660 INFO L93 Difference]: Finished difference Result 1734 states and 2173 transitions. [2022-10-17 10:34:26,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 10:34:26,661 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 68 [2022-10-17 10:34:26,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:34:26,667 INFO L225 Difference]: With dead ends: 1734 [2022-10-17 10:34:26,667 INFO L226 Difference]: Without dead ends: 854 [2022-10-17 10:34:26,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-10-17 10:34:26,671 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 83 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:34:26,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 1164 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:34:26,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2022-10-17 10:34:26,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 852. [2022-10-17 10:34:26,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 625 states have (on average 1.1808) internal successors, (738), 673 states have internal predecessors, (738), 119 states have call successors, (119), 94 states have call predecessors, (119), 107 states have return successors, (181), 118 states have call predecessors, (181), 119 states have call successors, (181) [2022-10-17 10:34:26,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1038 transitions. [2022-10-17 10:34:26,762 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1038 transitions. Word has length 68 [2022-10-17 10:34:26,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:34:26,762 INFO L495 AbstractCegarLoop]: Abstraction has 852 states and 1038 transitions. [2022-10-17 10:34:26,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-17 10:34:26,762 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1038 transitions. [2022-10-17 10:34:26,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-17 10:34:26,766 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:34:26,766 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:34:26,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:34:26,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-10-17 10:34:26,992 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:34:26,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:34:26,992 INFO L85 PathProgramCache]: Analyzing trace with hash 963454430, now seen corresponding path program 1 times [2022-10-17 10:34:26,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:34:26,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519095811] [2022-10-17 10:34:26,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:26,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:34:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:27,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:34:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-17 10:34:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:27,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:34:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:27,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:34:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:27,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:34:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:27,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:34:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:27,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:34:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:27,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-17 10:34:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:27,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-17 10:34:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:27,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:34:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:27,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-17 10:34:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:27,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-17 10:34:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:27,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:34:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:27,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-17 10:34:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:27,382 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 10:34:27,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:34:27,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519095811] [2022-10-17 10:34:27,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519095811] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:34:27,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266742769] [2022-10-17 10:34:27,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:34:27,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:34:27,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:34:27,384 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:34:27,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-17 10:34:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:34:27,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 10:34:27,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:34:27,652 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 10:34:27,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-17 10:34:27,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266742769] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:34:27,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-17 10:34:27,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2022-10-17 10:34:27,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686719445] [2022-10-17 10:34:27,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:34:27,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-17 10:34:27,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:34:27,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-17 10:34:27,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2022-10-17 10:34:27,656 INFO L87 Difference]: Start difference. First operand 852 states and 1038 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-17 10:34:27,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:34:27,872 INFO L93 Difference]: Finished difference Result 1467 states and 1811 transitions. [2022-10-17 10:34:27,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 10:34:27,873 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2022-10-17 10:34:27,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:34:27,874 INFO L225 Difference]: With dead ends: 1467 [2022-10-17 10:34:27,875 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 10:34:27,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2022-10-17 10:34:27,879 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 81 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 1180 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:34:27,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 1180 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:34:27,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 10:34:27,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 10:34:27,881 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 10:34:27,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:34:27,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2022-10-17 10:34:27,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:34:27,882 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:34:27,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-10-17 10:34:27,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:34:27,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 10:34:27,885 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 10:34:27,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:34:28,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-10-17 10:34:28,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-17 10:34:32,304 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 737 744) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 0 ~methaneLevelCritical~0)) (= 0 ~systemActive~0)) [2022-10-17 10:34:32,305 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 737 744) no Hoare annotation was computed. [2022-10-17 10:34:32,305 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 737 744) no Hoare annotation was computed. [2022-10-17 10:34:32,305 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 627 633) no Hoare annotation was computed. [2022-10-17 10:34:32,305 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 627 633) the Hoare annotation is: true [2022-10-17 10:34:32,305 INFO L895 garLoopResultBuilder]: At program point L671(line 671) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:34:32,305 INFO L899 garLoopResultBuilder]: For program point L669(lines 669 677) no Hoare annotation was computed. [2022-10-17 10:34:32,306 INFO L899 garLoopResultBuilder]: For program point L665(lines 665 682) no Hoare annotation was computed. [2022-10-17 10:34:32,306 INFO L895 garLoopResultBuilder]: At program point L680(line 680) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-10-17 10:34:32,306 INFO L899 garLoopResultBuilder]: For program point L680-1(lines 661 685) no Hoare annotation was computed. [2022-10-17 10:34:32,306 INFO L895 garLoopResultBuilder]: At program point L835(lines 820 838) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:34:32,306 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 833) no Hoare annotation was computed. [2022-10-17 10:34:32,306 INFO L899 garLoopResultBuilder]: For program point L829-2(lines 829 833) no Hoare annotation was computed. [2022-10-17 10:34:32,307 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 661 685) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) .cse0))) [2022-10-17 10:34:32,307 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 661 685) no Hoare annotation was computed. [2022-10-17 10:34:32,307 INFO L895 garLoopResultBuilder]: At program point L675(line 675) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:34:32,307 INFO L895 garLoopResultBuilder]: At program point L962(lines 957 965) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:34:32,307 INFO L899 garLoopResultBuilder]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2022-10-17 10:34:32,307 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 890 901) the Hoare annotation is: (let ((.cse1 (not (<= |old(~methaneLevelCritical~0)| 0))) (.cse2 (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 0 |old(~methaneLevelCritical~0)|))) (.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (or (<= 1 ~methaneLevelCritical~0) .cse0 (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2022-10-17 10:34:32,308 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 890 901) no Hoare annotation was computed. [2022-10-17 10:34:32,308 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 603 626) no Hoare annotation was computed. [2022-10-17 10:34:32,308 INFO L899 garLoopResultBuilder]: For program point L870(lines 870 874) no Hoare annotation was computed. [2022-10-17 10:34:32,308 INFO L899 garLoopResultBuilder]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2022-10-17 10:34:32,308 INFO L895 garLoopResultBuilder]: At program point L870-2(lines 866 877) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= 0 ~systemActive~0)))) [2022-10-17 10:34:32,308 INFO L895 garLoopResultBuilder]: At program point L701(line 701) the Hoare annotation is: (let ((.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse0 (= 0 ~systemActive~0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse0))) [2022-10-17 10:34:32,309 INFO L895 garLoopResultBuilder]: At program point L697(line 697) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 (<= 1 |timeShift_processEnvironment_~tmp~7#1|)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2022-10-17 10:34:32,309 INFO L895 garLoopResultBuilder]: At program point L693(line 693) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= 0 ~systemActive~0)))) [2022-10-17 10:34:32,309 INFO L899 garLoopResultBuilder]: For program point L693-1(line 693) no Hoare annotation was computed. [2022-10-17 10:34:32,309 INFO L899 garLoopResultBuilder]: For program point L111(lines 111 117) no Hoare annotation was computed. [2022-10-17 10:34:32,309 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 120) no Hoare annotation was computed. [2022-10-17 10:34:32,309 INFO L895 garLoopResultBuilder]: At program point L107-1(lines 99 123) the Hoare annotation is: (let ((.cse8 (= 0 ~systemActive~0))) (let ((.cse3 (not .cse8)) (.cse1 (not (<= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0))) (.cse5 (< 0 (+ |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 1))) (.cse6 (<= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse7 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or .cse7 (and .cse4 .cse3) .cse8) (or .cse0 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse6) (and .cse4 .cse5 .cse6 .cse3) .cse1 .cse2 (and .cse5 (<= 2 ~waterLevel~0) .cse6) .cse8) (or .cse0 .cse4 .cse7)))) [2022-10-17 10:34:32,310 INFO L895 garLoopResultBuilder]: At program point L706(line 706) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not .cse1)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1))) [2022-10-17 10:34:32,310 INFO L895 garLoopResultBuilder]: At program point L706-1(lines 687 711) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse2 .cse3 (not .cse1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (<= 2 ~waterLevel~0) .cse3 .cse1))) [2022-10-17 10:34:32,310 INFO L899 garLoopResultBuilder]: For program point L607-1(lines 606 625) no Hoare annotation was computed. [2022-10-17 10:34:32,310 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-10-17 10:34:32,310 INFO L895 garLoopResultBuilder]: At program point L761(lines 756 764) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (and .cse0 .cse1) .cse2 .cse3) (or .cse4 .cse2 (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse5 .cse6 .cse3) (or .cse4 .cse5 .cse6))) [2022-10-17 10:34:32,311 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 703) no Hoare annotation was computed. [2022-10-17 10:34:32,311 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse0 (= 0 ~systemActive~0)))) [2022-10-17 10:34:32,311 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 708) no Hoare annotation was computed. [2022-10-17 10:34:32,311 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 603 626) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (= 0 ~systemActive~0)) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1))) [2022-10-17 10:34:32,311 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 603 626) no Hoare annotation was computed. [2022-10-17 10:34:32,311 INFO L895 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse2 .cse0 .cse3 (not .cse1)) (or .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (<= 2 ~waterLevel~0) .cse3 .cse1))) [2022-10-17 10:34:32,312 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-10-17 10:34:32,312 INFO L899 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed. [2022-10-17 10:34:32,312 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 493 522) no Hoare annotation was computed. [2022-10-17 10:34:32,312 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 493 522) the Hoare annotation is: true [2022-10-17 10:34:32,312 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 511) no Hoare annotation was computed. [2022-10-17 10:34:32,312 INFO L902 garLoopResultBuilder]: At program point L507-1(lines 507 511) the Hoare annotation is: true [2022-10-17 10:34:32,312 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-10-17 10:34:32,312 INFO L902 garLoopResultBuilder]: At program point L503-2(lines 503 517) the Hoare annotation is: true [2022-10-17 10:34:32,313 INFO L902 garLoopResultBuilder]: At program point L499(line 499) the Hoare annotation is: true [2022-10-17 10:34:32,313 INFO L899 garLoopResultBuilder]: For program point L499-1(line 499) no Hoare annotation was computed. [2022-10-17 10:34:32,313 INFO L902 garLoopResultBuilder]: At program point L518(lines 493 522) the Hoare annotation is: true [2022-10-17 10:34:32,313 INFO L899 garLoopResultBuilder]: For program point L514(line 514) no Hoare annotation was computed. [2022-10-17 10:34:32,313 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 902 910) the Hoare annotation is: true [2022-10-17 10:34:32,313 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 902 910) no Hoare annotation was computed. [2022-10-17 10:34:32,313 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 902 910) no Hoare annotation was computed. [2022-10-17 10:34:32,314 INFO L895 garLoopResultBuilder]: At program point L989(line 989) 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 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 (<= ~methaneLevelCritical~0 0) .cse2 .cse3 (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3))) [2022-10-17 10:34:32,314 INFO L895 garLoopResultBuilder]: At program point L77(lines 73 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-10-17 10:34:32,314 INFO L895 garLoopResultBuilder]: At program point L845(line 845) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~methaneLevelCritical~0) (not (= 0 ~systemActive~0))) [2022-10-17 10:34:32,314 INFO L895 garLoopResultBuilder]: At program point L1027(lines 976 1028) the Hoare annotation is: false [2022-10-17 10:34:32,314 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-17 10:34:32,314 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-17 10:34:32,314 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-17 10:34:32,314 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1021) no Hoare annotation was computed. [2022-10-17 10:34:32,315 INFO L895 garLoopResultBuilder]: At program point L1015-2(lines 1007 1022) 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 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3))) [2022-10-17 10:34:32,315 INFO L902 garLoopResultBuilder]: At program point L565(lines 558 567) the Hoare annotation is: true [2022-10-17 10:34:32,315 INFO L899 garLoopResultBuilder]: For program point L978(lines 977 1026) no Hoare annotation was computed. [2022-10-17 10:34:32,315 INFO L899 garLoopResultBuilder]: For program point L1007(lines 1007 1022) no Hoare annotation was computed. [2022-10-17 10:34:32,315 INFO L895 garLoopResultBuilder]: At program point L999(line 999) 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 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 (<= ~methaneLevelCritical~0 0) .cse2 .cse3 (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3))) [2022-10-17 10:34:32,315 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 585) no Hoare annotation was computed. [2022-10-17 10:34:32,315 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-17 10:34:32,316 INFO L895 garLoopResultBuilder]: At program point L1024(lines 977 1026) 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 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 (<= ~methaneLevelCritical~0 0) .cse2 .cse3 (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3))) [2022-10-17 10:34:32,316 INFO L899 garLoopResultBuilder]: For program point L578-2(lines 578 585) no Hoare annotation was computed. [2022-10-17 10:34:32,316 INFO L899 garLoopResultBuilder]: For program point L987(lines 987 993) no Hoare annotation was computed. [2022-10-17 10:34:32,316 INFO L895 garLoopResultBuilder]: At program point L859(lines 854 861) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~methaneLevelCritical~0) (not (= 0 ~systemActive~0))) [2022-10-17 10:34:32,316 INFO L899 garLoopResultBuilder]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2022-10-17 10:34:32,316 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 983) no Hoare annotation was computed. [2022-10-17 10:34:32,316 INFO L895 garLoopResultBuilder]: At program point L851(lines 839 853) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~methaneLevelCritical~0) (= 0 ~systemActive~0)) [2022-10-17 10:34:32,317 INFO L899 garLoopResultBuilder]: For program point L843(lines 843 849) no Hoare annotation was computed. [2022-10-17 10:34:32,317 INFO L902 garLoopResultBuilder]: At program point L587(lines 568 590) the Hoare annotation is: true [2022-10-17 10:34:32,317 INFO L895 garLoopResultBuilder]: At program point L554(lines 550 556) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-10-17 10:34:32,317 INFO L899 garLoopResultBuilder]: For program point L843-1(lines 843 849) no Hoare annotation was computed. [2022-10-17 10:34:32,317 INFO L895 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-10-17 10:34:32,323 INFO L895 garLoopResultBuilder]: At program point L84(lines 80 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-10-17 10:34:32,323 INFO L902 garLoopResultBuilder]: At program point L1030(lines 967 1034) the Hoare annotation is: true [2022-10-17 10:34:32,323 INFO L899 garLoopResultBuilder]: For program point L997(lines 997 1003) no Hoare annotation was computed. [2022-10-17 10:34:32,324 INFO L899 garLoopResultBuilder]: For program point L997-1(lines 997 1003) no Hoare annotation was computed. [2022-10-17 10:34:32,324 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 635 659) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) .cse0))) [2022-10-17 10:34:32,324 INFO L895 garLoopResultBuilder]: At program point L952(lines 943 956) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse13 (<= 0 ~methaneLevelCritical~0)) (.cse12 (<= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse11 (<= 2 ~waterLevel~0)) (.cse14 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse14)) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (and .cse0 .cse1 .cse11 .cse14)) (.cse8 (not .cse11)) (.cse3 (not .cse12)) (.cse4 (not .cse13)) (.cse6 (and .cse0 .cse1 .cse11 .cse12 .cse13 .cse14 (not .cse5)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse5 .cse10) (or .cse7 (and .cse1 .cse2) .cse9 .cse5 .cse10) (or .cse8 .cse3 .cse4 .cse5 .cse6)))) [2022-10-17 10:34:32,324 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 733) no Hoare annotation was computed. [2022-10-17 10:34:32,325 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-10-17 10:34:32,325 INFO L895 garLoopResultBuilder]: At program point L727-2(lines 720 736) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or (and (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~8#1|) (= ~pumpRunning~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-10-17 10:34:32,325 INFO L899 garLoopResultBuilder]: For program point L725-1(line 725) no Hoare annotation was computed. [2022-10-17 10:34:32,325 INFO L895 garLoopResultBuilder]: At program point L816(lines 801 819) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (not .cse2))) (let ((.cse0 (and .cse3 .cse4 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0)) .cse5)) (.cse1 (and .cse3 .cse4 (<= 2 ~waterLevel~0) .cse5))) (and (or .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse1 .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2))))) [2022-10-17 10:34:32,326 INFO L895 garLoopResultBuilder]: At program point L717(lines 712 719) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (<= 2 ~waterLevel~0) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0))) [2022-10-17 10:34:32,326 INFO L899 garLoopResultBuilder]: For program point L810(lines 810 814) no Hoare annotation was computed. [2022-10-17 10:34:32,326 INFO L895 garLoopResultBuilder]: At program point L649(line 649) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0)) (.cse6 (not .cse2))) (let ((.cse0 (and .cse3 .cse4 .cse5 (<= 2 ~waterLevel~0) .cse6)) (.cse1 (and .cse3 .cse4 .cse5 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0)) .cse6))) (and (or .cse0 (not (<= ~methaneLevelCritical~0 0)) .cse1 (not (<= 0 ~methaneLevelCritical~0)) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2))))) [2022-10-17 10:34:32,327 INFO L899 garLoopResultBuilder]: For program point L810-2(lines 810 814) no Hoare annotation was computed. [2022-10-17 10:34:32,327 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 651) no Hoare annotation was computed. [2022-10-17 10:34:32,327 INFO L899 garLoopResultBuilder]: For program point L639(lines 639 656) no Hoare annotation was computed. [2022-10-17 10:34:32,327 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 635 659) no Hoare annotation was computed. [2022-10-17 10:34:32,328 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 953) no Hoare annotation was computed. [2022-10-17 10:34:32,328 INFO L895 garLoopResultBuilder]: At program point L654(line 654) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-10-17 10:34:32,328 INFO L899 garLoopResultBuilder]: For program point L654-1(lines 635 659) no Hoare annotation was computed. [2022-10-17 10:34:32,328 INFO L899 garLoopResultBuilder]: For program point L882-1(lines 878 889) no Hoare annotation was computed. [2022-10-17 10:34:32,328 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 878 889) no Hoare annotation was computed. [2022-10-17 10:34:32,329 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 878 889) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1 (= 0 ~systemActive~0)))) [2022-10-17 10:34:32,329 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 745 755) the Hoare annotation is: true [2022-10-17 10:34:32,329 INFO L902 garLoopResultBuilder]: At program point L750(line 750) the Hoare annotation is: true [2022-10-17 10:34:32,329 INFO L899 garLoopResultBuilder]: For program point L750-1(line 750) no Hoare annotation was computed. [2022-10-17 10:34:32,329 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 745 755) no Hoare annotation was computed. [2022-10-17 10:34:32,330 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 745 755) no Hoare annotation was computed. [2022-10-17 10:34:32,333 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:34:32,335 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:34:32,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:34:32 BoogieIcfgContainer [2022-10-17 10:34:32,384 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:34:32,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:34:32,385 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:34:32,385 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:34:32,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:34:20" (3/4) ... [2022-10-17 10:34:32,388 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 10:34:32,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-10-17 10:34:32,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 10:34:32,396 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 10:34:32,396 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 10:34:32,396 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 10:34:32,396 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 10:34:32,396 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:34:32,396 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 10:34:32,397 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-10-17 10:34:32,397 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-10-17 10:34:32,412 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2022-10-17 10:34:32,413 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-10-17 10:34:32,413 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-10-17 10:34:32,414 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 10:34:32,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 10:34:32,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:34:32,416 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:34:32,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) [2022-10-17 10:34:32,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) [2022-10-17 10:34:32,449 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && tmp == 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) || ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) [2022-10-17 10:34:32,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) && ((pumpRunning == \old(pumpRunning) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2022-10-17 10:34:32,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || 2 <= waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2022-10-17 10:34:32,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(0 == systemActive)) || ((pumpRunning == 0 && 0 < tmp + 1) && tmp <= 0)) && ((!(1 <= methaneLevelCritical) || (pumpRunning == 0 && !(0 == systemActive))) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && (((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && tmp <= 0) || (((pumpRunning == 0 && 0 < tmp + 1) && tmp <= 0) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || ((0 < tmp + 1 && 2 <= waterLevel) && tmp <= 0)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= methaneLevelCritical)) [2022-10-17 10:34:32,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive) [2022-10-17 10:34:32,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && 0 == systemActive [2022-10-17 10:34:32,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && ((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-10-17 10:34:32,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((((methaneLevelCritical <= tmp && pumpRunning == 0) && 2 <= waterLevel) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-10-17 10:34:32,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((2 <= waterLevel || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-10-17 10:34:32,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2022-10-17 10:34:32,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(\result == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && \result == 0) && !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0))) && ((((!(2 <= waterLevel) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && \result == 0) && !(0 == systemActive))) [2022-10-17 10:34:32,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) && (!(0 <= methaneLevelCritical) || 0 == systemActive) [2022-10-17 10:34:32,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2022-10-17 10:34:32,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && !(\result == 0)) && \result == 0) && !(tmp == 0)) && !(0 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && !(\result == 0)) && \result == 0) && !(tmp == 0)) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive) [2022-10-17 10:34:32,519 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:34:32,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:34:32,520 INFO L158 Benchmark]: Toolchain (without parser) took 12995.26ms. Allocated memory was 102.8MB in the beginning and 188.7MB in the end (delta: 86.0MB). Free memory was 53.5MB in the beginning and 82.4MB in the end (delta: -28.9MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2022-10-17 10:34:32,520 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:34:32,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.92ms. Allocated memory is still 102.8MB. Free memory was 53.3MB in the beginning and 66.0MB in the end (delta: -12.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:34:32,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.05ms. Allocated memory is still 102.8MB. Free memory was 66.0MB in the beginning and 63.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:34:32,525 INFO L158 Benchmark]: Boogie Preprocessor took 52.66ms. Allocated memory is still 102.8MB. Free memory was 63.5MB in the beginning and 61.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:34:32,525 INFO L158 Benchmark]: RCFGBuilder took 581.99ms. Allocated memory is still 102.8MB. Free memory was 61.8MB in the beginning and 41.5MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 10:34:32,528 INFO L158 Benchmark]: TraceAbstraction took 11466.64ms. Allocated memory was 102.8MB in the beginning and 188.7MB in the end (delta: 86.0MB). Free memory was 40.8MB in the beginning and 89.7MB in the end (delta: -48.9MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2022-10-17 10:34:32,528 INFO L158 Benchmark]: Witness Printer took 134.82ms. Allocated memory is still 188.7MB. Free memory was 88.7MB in the beginning and 82.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:34:32,531 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.92ms. Allocated memory is still 102.8MB. Free memory was 53.3MB in the beginning and 66.0MB in the end (delta: -12.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.05ms. Allocated memory is still 102.8MB. Free memory was 66.0MB in the beginning and 63.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.66ms. Allocated memory is still 102.8MB. Free memory was 63.5MB in the beginning and 61.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 581.99ms. Allocated memory is still 102.8MB. Free memory was 61.8MB in the beginning and 41.5MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 11466.64ms. Allocated memory was 102.8MB in the beginning and 188.7MB in the end (delta: 86.0MB). Free memory was 40.8MB in the beginning and 89.7MB in the end (delta: -48.9MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. * Witness Printer took 134.82ms. Allocated memory is still 188.7MB. Free memory was 88.7MB in the beginning and 82.4MB 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: 54]: 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 11 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1496 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1446 mSDsluCounter, 5726 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4126 mSDsCounter, 421 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1703 IncrementalHoareTripleChecker+Invalid, 2124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 421 mSolverCounterUnsat, 1600 mSDtfsCounter, 1703 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 410 GetRequests, 305 SyntacticMatches, 2 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=887occurred in iteration=9, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 136 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 2129 PreInvPairs, 2419 NumberOfFragments, 1559 HoareAnnotationTreeSize, 2129 FomulaSimplifications, 300 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 52 FomulaSimplificationsInter, 14434 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 797 NumberOfCodeBlocks, 797 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 784 ConstructedInterpolants, 0 QuantifiedInterpolants, 1531 SizeOfPredicates, 6 NumberOfNonLiveVariables, 922 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 114/119 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: 80]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (((2 <= waterLevel || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((((methaneLevelCritical <= tmp && pumpRunning == 0) && 2 <= waterLevel) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || 2 <= waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(0 == systemActive)) || ((pumpRunning == 0 && 0 < tmp + 1) && tmp <= 0)) && ((!(1 <= methaneLevelCritical) || (pumpRunning == 0 && !(0 == systemActive))) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && (((((((pumpRunning == \old(pumpRunning) && 0 < tmp + 1) && tmp <= 0) || (((pumpRunning == 0 && 0 < tmp + 1) && tmp <= 0) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || ((0 < tmp + 1 && 2 <= waterLevel) && tmp <= 0)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(\result == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && \result == 0) && !(0 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0))) && ((((!(2 <= waterLevel) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && \result == 0) && !(0 == systemActive))) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) && ((pumpRunning == \old(pumpRunning) || !(0 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: (((2 <= waterLevel || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && 0 == systemActive - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) && (!(0 <= methaneLevelCritical) || 0 == systemActive) - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: (((((\result == 1 && tmp == 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) || ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: (((\result == 1 && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && ((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && !(\result == 0)) && \result == 0) && !(tmp == 0)) && !(0 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && !(\result == 0)) && \result == 0) && !(tmp == 0)) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-10-17 10:34:32,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a1d45a-7ed3-46cd-a6af-c77811f0baf2/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