./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa --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 0cfed743c16ce3c8683c42b92f2e032d4ce7b489a9d3a5e140ec6101c472b3cb --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:16:24,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:16:24,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:16:24,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:16:24,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:16:24,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:16:24,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:16:24,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:16:24,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:16:24,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:16:24,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:16:24,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:16:24,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:16:24,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:16:24,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:16:24,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:16:24,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:16:24,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:16:24,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:16:24,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:16:24,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:16:24,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:16:24,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:16:24,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:16:24,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:16:24,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:16:24,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:16:24,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:16:24,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:16:24,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:16:24,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:16:24,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:16:24,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:16:24,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:16:24,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:16:24,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:16:24,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:16:24,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:16:24,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:16:24,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:16:24,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:16:24,475 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 22:16:24,500 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:16:24,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:16:24,501 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:16:24,501 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:16:24,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:16:24,502 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:16:24,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:16:24,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:16:24,503 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:16:24,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:16:24,503 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:16:24,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:16:24,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:16:24,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:16:24,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:16:24,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:16:24,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:16:24,505 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:16:24,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:16:24,505 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:16:24,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:16:24,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:16:24,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:16:24,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:16:24,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:16:24,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:16:24,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:16:24,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:16:24,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:16:24,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:16:24,511 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:16:24,511 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:16:24,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:16:24,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:16:24,512 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_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfed743c16ce3c8683c42b92f2e032d4ce7b489a9d3a5e140ec6101c472b3cb [2021-12-06 22:16:24,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:16:24,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:16:24,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:16:24,717 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:16:24,718 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:16:24,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2021-12-06 22:16:24,770 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa/data/0e653c778/3ba6fdb46da6479995fa38f74997c7c4/FLAGb39b599c2 [2021-12-06 22:16:25,232 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:16:25,232 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2021-12-06 22:16:25,241 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa/data/0e653c778/3ba6fdb46da6479995fa38f74997c7c4/FLAGb39b599c2 [2021-12-06 22:16:25,743 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa/data/0e653c778/3ba6fdb46da6479995fa38f74997c7c4 [2021-12-06 22:16:25,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:16:25,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:16:25,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:16:25,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:16:25,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:16:25,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:16:25" (1/1) ... [2021-12-06 22:16:25,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30cc3609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:25, skipping insertion in model container [2021-12-06 22:16:25,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:16:25" (1/1) ... [2021-12-06 22:16:25,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:16:25,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:16:25,966 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_d4b3e2d6-9504-4313-8601-0cd53b249b4a/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c[17978,17991] [2021-12-06 22:16:25,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:16:25,975 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:16:26,027 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_d4b3e2d6-9504-4313-8601-0cd53b249b4a/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c[17978,17991] [2021-12-06 22:16:26,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:16:26,041 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:16:26,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:26 WrapperNode [2021-12-06 22:16:26,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:16:26,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:16:26,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:16:26,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:16:26,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:26" (1/1) ... [2021-12-06 22:16:26,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:26" (1/1) ... [2021-12-06 22:16:26,089 INFO L137 Inliner]: procedures = 53, calls = 152, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 246 [2021-12-06 22:16:26,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:16:26,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:16:26,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:16:26,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:16:26,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:26" (1/1) ... [2021-12-06 22:16:26,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:26" (1/1) ... [2021-12-06 22:16:26,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:26" (1/1) ... [2021-12-06 22:16:26,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:26" (1/1) ... [2021-12-06 22:16:26,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:26" (1/1) ... [2021-12-06 22:16:26,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:26" (1/1) ... [2021-12-06 22:16:26,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:26" (1/1) ... [2021-12-06 22:16:26,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:16:26,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:16:26,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:16:26,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:16:26,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:26" (1/1) ... [2021-12-06 22:16:26,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:16:26,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:16:26,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:16:26,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:16:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:16:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 22:16:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 22:16:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 22:16:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 22:16:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-06 22:16:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-06 22:16:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 22:16:26,193 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 22:16:26,193 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 22:16:26,194 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 22:16:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:16:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 22:16:26,194 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 22:16:26,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:16:26,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:16:26,251 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:16:26,252 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:16:26,481 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:16:26,486 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:16:26,486 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 22:16:26,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:16:26 BoogieIcfgContainer [2021-12-06 22:16:26,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:16:26,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:16:26,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:16:26,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:16:26,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:16:25" (1/3) ... [2021-12-06 22:16:26,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcc1715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:16:26, skipping insertion in model container [2021-12-06 22:16:26,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:16:26" (2/3) ... [2021-12-06 22:16:26,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcc1715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:16:26, skipping insertion in model container [2021-12-06 22:16:26,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:16:26" (3/3) ... [2021-12-06 22:16:26,494 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2021-12-06 22:16:26,497 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:16:26,498 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:16:26,532 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:16:26,537 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 22:16:26,537 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:16:26,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 69 states have internal predecessors, (88), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-06 22:16:26,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 22:16:26,557 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:16:26,557 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:16:26,557 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:16:26,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:16:26,561 INFO L85 PathProgramCache]: Analyzing trace with hash -310918915, now seen corresponding path program 1 times [2021-12-06 22:16:26,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:16:26,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388334963] [2021-12-06 22:16:26,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:26,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:16:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:26,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:16:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:26,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:16:26,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:16:26,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388334963] [2021-12-06 22:16:26,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388334963] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:16:26,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:16:26,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:16:26,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230931062] [2021-12-06 22:16:26,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:16:26,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 22:16:26,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:16:26,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 22:16:26,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:16:26,743 INFO L87 Difference]: Start difference. First operand has 81 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 69 states have internal predecessors, (88), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:16:26,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:16:26,766 INFO L93 Difference]: Finished difference Result 154 states and 211 transitions. [2021-12-06 22:16:26,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 22:16:26,768 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-06 22:16:26,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:16:26,775 INFO L225 Difference]: With dead ends: 154 [2021-12-06 22:16:26,775 INFO L226 Difference]: Without dead ends: 72 [2021-12-06 22:16:26,778 INFO L932 BasicCegarLoop]: 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 [2021-12-06 22:16:26,781 INFO L933 BasicCegarLoop]: 102 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, 102 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 [2021-12-06 22:16:26,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:16:26,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-12-06 22:16:26,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2021-12-06 22:16:26,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 61 states have internal predecessors, (74), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 22:16:26,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2021-12-06 22:16:26,814 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 25 [2021-12-06 22:16:26,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:16:26,814 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2021-12-06 22:16:26,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:16:26,815 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2021-12-06 22:16:26,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-06 22:16:26,817 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:16:26,817 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:16:26,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:16:26,817 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:16:26,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:16:26,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1548949891, now seen corresponding path program 1 times [2021-12-06 22:16:26,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:16:26,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895115400] [2021-12-06 22:16:26,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:26,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:16:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:26,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 22:16:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:16:26,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:16:26,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895115400] [2021-12-06 22:16:26,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895115400] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:16:26,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:16:26,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:16:26,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613734797] [2021-12-06 22:16:26,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:16:26,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:16:26,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:16:26,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:16:26,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:16:26,879 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:16:26,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:16:26,891 INFO L93 Difference]: Finished difference Result 110 states and 142 transitions. [2021-12-06 22:16:26,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:16:26,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-06 22:16:26,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:16:26,892 INFO L225 Difference]: With dead ends: 110 [2021-12-06 22:16:26,892 INFO L226 Difference]: Without dead ends: 63 [2021-12-06 22:16:26,893 INFO L932 BasicCegarLoop]: 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 [2021-12-06 22:16:26,894 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 12 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 144 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 [2021-12-06 22:16:26,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:16:26,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-12-06 22:16:26,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-12-06 22:16:26,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.34) internal successors, (67), 55 states have internal predecessors, (67), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-06 22:16:26,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 81 transitions. [2021-12-06 22:16:26,903 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 81 transitions. Word has length 26 [2021-12-06 22:16:26,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:16:26,903 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 81 transitions. [2021-12-06 22:16:26,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:16:26,903 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2021-12-06 22:16:26,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 22:16:26,904 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:16:26,904 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:16:26,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:16:26,905 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:16:26,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:16:26,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917381, now seen corresponding path program 1 times [2021-12-06 22:16:26,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:16:26,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399884703] [2021-12-06 22:16:26,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:26,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:16:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 22:16:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:26,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:16:26,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:16:26,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399884703] [2021-12-06 22:16:26,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399884703] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:16:26,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:16:26,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:16:26,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197309942] [2021-12-06 22:16:26,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:16:26,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:16:26,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:16:26,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:16:26,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:16:26,993 INFO L87 Difference]: Start difference. First operand 63 states and 81 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2021-12-06 22:16:27,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:16:27,063 INFO L93 Difference]: Finished difference Result 119 states and 156 transitions. [2021-12-06 22:16:27,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:16:27,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 30 [2021-12-06 22:16:27,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:16:27,065 INFO L225 Difference]: With dead ends: 119 [2021-12-06 22:16:27,065 INFO L226 Difference]: Without dead ends: 63 [2021-12-06 22:16:27,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 22:16:27,067 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 107 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:16:27,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 168 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:16:27,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-12-06 22:16:27,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-12-06 22:16:27,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.32) internal successors, (66), 55 states have internal predecessors, (66), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-06 22:16:27,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2021-12-06 22:16:27,079 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 30 [2021-12-06 22:16:27,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:16:27,079 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2021-12-06 22:16:27,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2021-12-06 22:16:27,080 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2021-12-06 22:16:27,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-06 22:16:27,081 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:16:27,081 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:16:27,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:16:27,082 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:16:27,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:16:27,082 INFO L85 PathProgramCache]: Analyzing trace with hash -199527812, now seen corresponding path program 1 times [2021-12-06 22:16:27,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:16:27,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360915502] [2021-12-06 22:16:27,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:27,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:16:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 22:16:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 22:16:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:16:27,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:16:27,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360915502] [2021-12-06 22:16:27,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360915502] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:16:27,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:16:27,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:16:27,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302600023] [2021-12-06 22:16:27,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:16:27,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:16:27,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:16:27,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:16:27,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:16:27,142 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 22:16:27,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:16:27,166 INFO L93 Difference]: Finished difference Result 160 states and 207 transitions. [2021-12-06 22:16:27,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:16:27,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2021-12-06 22:16:27,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:16:27,168 INFO L225 Difference]: With dead ends: 160 [2021-12-06 22:16:27,169 INFO L226 Difference]: Without dead ends: 104 [2021-12-06 22:16:27,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:16:27,171 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 54 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:16:27,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 147 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:16:27,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-12-06 22:16:27,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2021-12-06 22:16:27,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 80 states have (on average 1.3125) internal successors, (105), 87 states have internal predecessors, (105), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2021-12-06 22:16:27,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 129 transitions. [2021-12-06 22:16:27,189 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 129 transitions. Word has length 35 [2021-12-06 22:16:27,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:16:27,190 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 129 transitions. [2021-12-06 22:16:27,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 22:16:27,190 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 129 transitions. [2021-12-06 22:16:27,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-06 22:16:27,191 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:16:27,192 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:16:27,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:16:27,192 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:16:27,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:16:27,193 INFO L85 PathProgramCache]: Analyzing trace with hash -2013550284, now seen corresponding path program 1 times [2021-12-06 22:16:27,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:16:27,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920448842] [2021-12-06 22:16:27,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:27,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:16:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 22:16:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 22:16:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:16:27,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:16:27,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920448842] [2021-12-06 22:16:27,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920448842] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:16:27,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:16:27,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:16:27,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574773846] [2021-12-06 22:16:27,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:16:27,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:16:27,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:16:27,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:16:27,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:16:27,254 INFO L87 Difference]: Start difference. First operand 102 states and 129 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 22:16:27,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:16:27,302 INFO L93 Difference]: Finished difference Result 282 states and 373 transitions. [2021-12-06 22:16:27,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:16:27,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-12-06 22:16:27,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:16:27,304 INFO L225 Difference]: With dead ends: 282 [2021-12-06 22:16:27,304 INFO L226 Difference]: Without dead ends: 187 [2021-12-06 22:16:27,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 22:16:27,306 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 41 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:16:27,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 312 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:16:27,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-12-06 22:16:27,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 181. [2021-12-06 22:16:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 142 states have (on average 1.2887323943661972) internal successors, (183), 152 states have internal predecessors, (183), 21 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (27), 19 states have call predecessors, (27), 21 states have call successors, (27) [2021-12-06 22:16:27,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 231 transitions. [2021-12-06 22:16:27,324 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 231 transitions. Word has length 41 [2021-12-06 22:16:27,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:16:27,325 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 231 transitions. [2021-12-06 22:16:27,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 22:16:27,325 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2021-12-06 22:16:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-06 22:16:27,326 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:16:27,326 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:16:27,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 22:16:27,327 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:16:27,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:16:27,327 INFO L85 PathProgramCache]: Analyzing trace with hash -583739890, now seen corresponding path program 1 times [2021-12-06 22:16:27,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:16:27,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669792848] [2021-12-06 22:16:27,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:27,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:16:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:16:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:16:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:16:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:16:27,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:16:27,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669792848] [2021-12-06 22:16:27,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669792848] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:16:27,390 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:16:27,390 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:16:27,390 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249836367] [2021-12-06 22:16:27,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:16:27,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:16:27,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:16:27,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:16:27,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:16:27,391 INFO L87 Difference]: Start difference. First operand 181 states and 231 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 22:16:27,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:16:27,570 INFO L93 Difference]: Finished difference Result 472 states and 639 transitions. [2021-12-06 22:16:27,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 22:16:27,570 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2021-12-06 22:16:27,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:16:27,576 INFO L225 Difference]: With dead ends: 472 [2021-12-06 22:16:27,576 INFO L226 Difference]: Without dead ends: 377 [2021-12-06 22:16:27,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-12-06 22:16:27,578 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 166 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:16:27,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 339 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:16:27,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-12-06 22:16:27,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 344. [2021-12-06 22:16:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 270 states have (on average 1.2814814814814814) internal successors, (346), 294 states have internal predecessors, (346), 40 states have call successors, (40), 29 states have call predecessors, (40), 33 states have return successors, (66), 38 states have call predecessors, (66), 40 states have call successors, (66) [2021-12-06 22:16:27,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 452 transitions. [2021-12-06 22:16:27,630 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 452 transitions. Word has length 45 [2021-12-06 22:16:27,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:16:27,630 INFO L470 AbstractCegarLoop]: Abstraction has 344 states and 452 transitions. [2021-12-06 22:16:27,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 22:16:27,631 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 452 transitions. [2021-12-06 22:16:27,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-06 22:16:27,633 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:16:27,633 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:16:27,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 22:16:27,634 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:16:27,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:16:27,635 INFO L85 PathProgramCache]: Analyzing trace with hash -364885172, now seen corresponding path program 1 times [2021-12-06 22:16:27,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:16:27,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191128352] [2021-12-06 22:16:27,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:27,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:16:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:16:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:16:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:16:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:16:27,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:16:27,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191128352] [2021-12-06 22:16:27,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191128352] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:16:27,685 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:16:27,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:16:27,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746609573] [2021-12-06 22:16:27,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:16:27,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 22:16:27,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:16:27,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:16:27,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:16:27,687 INFO L87 Difference]: Start difference. First operand 344 states and 452 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 22:16:27,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:16:27,815 INFO L93 Difference]: Finished difference Result 744 states and 1004 transitions. [2021-12-06 22:16:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:16:27,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2021-12-06 22:16:27,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:16:27,819 INFO L225 Difference]: With dead ends: 744 [2021-12-06 22:16:27,819 INFO L226 Difference]: Without dead ends: 486 [2021-12-06 22:16:27,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:16:27,821 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 152 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:16:27,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 370 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:16:27,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2021-12-06 22:16:27,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 377. [2021-12-06 22:16:27,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 297 states have (on average 1.2626262626262625) internal successors, (375), 324 states have internal predecessors, (375), 44 states have call successors, (44), 29 states have call predecessors, (44), 35 states have return successors, (76), 42 states have call predecessors, (76), 44 states have call successors, (76) [2021-12-06 22:16:27,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 495 transitions. [2021-12-06 22:16:27,856 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 495 transitions. Word has length 45 [2021-12-06 22:16:27,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:16:27,856 INFO L470 AbstractCegarLoop]: Abstraction has 377 states and 495 transitions. [2021-12-06 22:16:27,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 22:16:27,856 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 495 transitions. [2021-12-06 22:16:27,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-12-06 22:16:27,857 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:16:27,858 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:16:27,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 22:16:27,858 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:16:27,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:16:27,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1182533622, now seen corresponding path program 1 times [2021-12-06 22:16:27,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:16:27,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604207241] [2021-12-06 22:16:27,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:27,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:16:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:16:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:16:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 22:16:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:27,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:16:27,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:16:27,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604207241] [2021-12-06 22:16:27,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604207241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:16:27,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:16:27,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:16:27,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394808751] [2021-12-06 22:16:27,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:16:27,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:16:27,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:16:27,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:16:27,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:16:27,912 INFO L87 Difference]: Start difference. First operand 377 states and 495 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 22:16:28,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:16:28,040 INFO L93 Difference]: Finished difference Result 848 states and 1136 transitions. [2021-12-06 22:16:28,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:16:28,041 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2021-12-06 22:16:28,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:16:28,045 INFO L225 Difference]: With dead ends: 848 [2021-12-06 22:16:28,045 INFO L226 Difference]: Without dead ends: 478 [2021-12-06 22:16:28,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:16:28,048 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 182 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:16:28,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 369 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:16:28,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2021-12-06 22:16:28,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 381. [2021-12-06 22:16:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 305 states have (on average 1.2459016393442623) internal successors, (380), 329 states have internal predecessors, (380), 41 states have call successors, (41), 28 states have call predecessors, (41), 34 states have return successors, (73), 39 states have call predecessors, (73), 41 states have call successors, (73) [2021-12-06 22:16:28,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 494 transitions. [2021-12-06 22:16:28,086 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 494 transitions. Word has length 45 [2021-12-06 22:16:28,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:16:28,086 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 494 transitions. [2021-12-06 22:16:28,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 22:16:28,086 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 494 transitions. [2021-12-06 22:16:28,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-06 22:16:28,088 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:16:28,088 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:16:28,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 22:16:28,088 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:16:28,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:16:28,089 INFO L85 PathProgramCache]: Analyzing trace with hash 987986838, now seen corresponding path program 1 times [2021-12-06 22:16:28,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:16:28,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371172657] [2021-12-06 22:16:28,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:28,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:16:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:28,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:16:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:28,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:16:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 22:16:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:28,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 22:16:28,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:16:28,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371172657] [2021-12-06 22:16:28,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371172657] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:16:28,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:16:28,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 22:16:28,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997852216] [2021-12-06 22:16:28,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:16:28,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 22:16:28,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:16:28,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 22:16:28,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:16:28,165 INFO L87 Difference]: Start difference. First operand 381 states and 494 transitions. Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 22:16:28,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:16:28,546 INFO L93 Difference]: Finished difference Result 1073 states and 1485 transitions. [2021-12-06 22:16:28,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-12-06 22:16:28,547 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2021-12-06 22:16:28,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:16:28,553 INFO L225 Difference]: With dead ends: 1073 [2021-12-06 22:16:28,553 INFO L226 Difference]: Without dead ends: 699 [2021-12-06 22:16:28,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=199, Invalid=923, Unknown=0, NotChecked=0, Total=1122 [2021-12-06 22:16:28,557 INFO L933 BasicCegarLoop]: 139 mSDtfsCounter, 226 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 22:16:28,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 929 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 22:16:28,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-12-06 22:16:28,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 650. [2021-12-06 22:16:28,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 510 states have (on average 1.2117647058823529) internal successors, (618), 544 states have internal predecessors, (618), 76 states have call successors, (76), 52 states have call predecessors, (76), 63 states have return successors, (153), 73 states have call predecessors, (153), 76 states have call successors, (153) [2021-12-06 22:16:28,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 847 transitions. [2021-12-06 22:16:28,621 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 847 transitions. Word has length 50 [2021-12-06 22:16:28,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:16:28,621 INFO L470 AbstractCegarLoop]: Abstraction has 650 states and 847 transitions. [2021-12-06 22:16:28,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 7 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 22:16:28,621 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 847 transitions. [2021-12-06 22:16:28,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-06 22:16:28,623 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:16:28,624 INFO L514 BasicCegarLoop]: 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] [2021-12-06 22:16:28,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 22:16:28,624 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:16:28,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:16:28,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1869519007, now seen corresponding path program 1 times [2021-12-06 22:16:28,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:16:28,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751457260] [2021-12-06 22:16:28,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:16:28,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:16:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:28,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 22:16:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:28,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:16:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:28,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-06 22:16:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:16:28,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 22:16:28,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:16:28,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751457260] [2021-12-06 22:16:28,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751457260] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:16:28,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:16:28,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:16:28,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130652891] [2021-12-06 22:16:28,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:16:28,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:16:28,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:16:28,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:16:28,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:16:28,680 INFO L87 Difference]: Start difference. First operand 650 states and 847 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 22:16:28,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:16:28,811 INFO L93 Difference]: Finished difference Result 1201 states and 1585 transitions. [2021-12-06 22:16:28,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:16:28,812 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2021-12-06 22:16:28,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:16:28,813 INFO L225 Difference]: With dead ends: 1201 [2021-12-06 22:16:28,813 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 22:16:28,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-06 22:16:28,819 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 112 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 22:16:28,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 389 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 22:16:28,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 22:16:28,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 22:16:28,820 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) [2021-12-06 22:16:28,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 22:16:28,820 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-12-06 22:16:28,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:16:28,821 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 22:16:28,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 22:16:28,821 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 22:16:28,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 22:16:28,823 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 22:16:28,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 22:16:28,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 22:16:31,057 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 125 131) no Hoare annotation was computed. [2021-12-06 22:16:31,057 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 125 131) the Hoare annotation is: true [2021-12-06 22:16:31,057 INFO L858 garLoopResultBuilder]: For program point L402-1(lines 398 409) no Hoare annotation was computed. [2021-12-06 22:16:31,057 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 398 409) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~pumpRunning~0 1))) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2))) [2021-12-06 22:16:31,057 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 398 409) no Hoare annotation was computed. [2021-12-06 22:16:31,057 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 485) no Hoare annotation was computed. [2021-12-06 22:16:31,057 INFO L861 garLoopResultBuilder]: At program point L481-1(lines 481 485) the Hoare annotation is: true [2021-12-06 22:16:31,057 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 467 496) no Hoare annotation was computed. [2021-12-06 22:16:31,058 INFO L858 garLoopResultBuilder]: For program point L478(line 478) no Hoare annotation was computed. [2021-12-06 22:16:31,058 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 467 496) the Hoare annotation is: true [2021-12-06 22:16:31,058 INFO L861 garLoopResultBuilder]: At program point L477-2(lines 477 491) the Hoare annotation is: true [2021-12-06 22:16:31,058 INFO L861 garLoopResultBuilder]: At program point L473(line 473) the Hoare annotation is: true [2021-12-06 22:16:31,058 INFO L858 garLoopResultBuilder]: For program point L473-1(line 473) no Hoare annotation was computed. [2021-12-06 22:16:31,058 INFO L861 garLoopResultBuilder]: At program point L492(lines 467 496) the Hoare annotation is: true [2021-12-06 22:16:31,058 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-12-06 22:16:31,058 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 410 418) the Hoare annotation is: true [2021-12-06 22:16:31,058 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 410 418) no Hoare annotation was computed. [2021-12-06 22:16:31,058 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 410 418) no Hoare annotation was computed. [2021-12-06 22:16:31,058 INFO L858 garLoopResultBuilder]: For program point L353(lines 353 366) no Hoare annotation was computed. [2021-12-06 22:16:31,059 INFO L854 garLoopResultBuilder]: At program point L353-1(lines 338 370) the Hoare annotation is: (let ((.cse7 (= 1 ~systemActive~0)) (.cse11 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse12 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (not (= |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1| 0))) (.cse13 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1)) (.cse14 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse15 (= |timeShift_processEnvironment_~tmp~0#1| 1)) (.cse16 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse17 (= |timeShift_activatePump_~tmp~1#1| ~methaneLevelCritical~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse11 .cse12 .cse4 .cse5 .cse13 .cse14 (not .cse1) .cse15 .cse16 .cse8 .cse17)) (.cse6 (not (= 2 ~waterLevel~0))) (.cse10 (= ~pumpRunning~0 1)) (.cse2 (not .cse7)) (.cse9 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7 .cse8)) (or .cse2 .cse9 .cse10) (or .cse0 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse8 .cse17 .cse10) .cse2 (and .cse4 .cse6 .cse7 .cse8) .cse3 (and .cse12 .cse6 .cse8 .cse17 .cse10)) (or .cse5 .cse1 .cse2 .cse9)))) [2021-12-06 22:16:31,059 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed. [2021-12-06 22:16:31,059 INFO L854 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse8 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse9 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse4 (= ~pumpRunning~0 0)) (.cse10 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1)) (.cse11 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse12 (= |timeShift_processEnvironment_~tmp~0#1| 1)) (.cse13 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (= |timeShift_activatePump_~tmp~1#1| ~methaneLevelCritical~0)) (.cse6 (= 1 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse6)) (.cse3 (and .cse8 .cse9 .cse4 .cse10 .cse11 .cse6 (not .cse1) .cse12 .cse13 .cse14 .cse15)) (.cse5 (not (= 2 ~waterLevel~0))) (.cse7 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or .cse2 (not (= |old(~pumpRunning~0)| 1)) .cse7) (or .cse0 (and .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse7) .cse2 (and .cse4 .cse5 .cse6 .cse14) .cse3 (and .cse9 .cse5 .cse14 .cse15 .cse7))))) [2021-12-06 22:16:31,059 INFO L854 garLoopResultBuilder]: At program point L378-2(lines 374 385) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2021-12-06 22:16:31,059 INFO L858 garLoopResultBuilder]: For program point L345-1(line 345) no Hoare annotation was computed. [2021-12-06 22:16:31,059 INFO L854 garLoopResultBuilder]: At program point L147(line 147) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (not (= |old(~pumpRunning~0)| 1))))) [2021-12-06 22:16:31,060 INFO L854 garLoopResultBuilder]: At program point L263(lines 248 266) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (not (= 2 ~waterLevel~0)) .cse2) (and (= |timeShift_isHighWaterLevel_#res#1| 1) .cse1 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1) (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse2))))) [2021-12-06 22:16:31,060 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 101 124) no Hoare annotation was computed. [2021-12-06 22:16:31,060 INFO L854 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= |timeShift_isHighWaterLevel_#res#1| 1) .cse1 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1) (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) (= |timeShift_processEnvironment_~tmp~0#1| 1) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse2) (and .cse1 (not (= 2 ~waterLevel~0)) .cse2))))) [2021-12-06 22:16:31,060 INFO L858 garLoopResultBuilder]: For program point L197-1(line 197) no Hoare annotation was computed. [2021-12-06 22:16:31,060 INFO L858 garLoopResultBuilder]: For program point L932(line 932) no Hoare annotation was computed. [2021-12-06 22:16:31,060 INFO L854 garLoopResultBuilder]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2021-12-06 22:16:31,060 INFO L854 garLoopResultBuilder]: At program point L152-1(lines 133 157) the Hoare annotation is: (let ((.cse8 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse9 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse4 (= ~pumpRunning~0 0)) (.cse10 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1)) (.cse11 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse12 (= |timeShift_processEnvironment_~tmp~0#1| 1)) (.cse13 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (= |timeShift_activatePump_~tmp~1#1| ~methaneLevelCritical~0)) (.cse6 (= 1 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse6)) (.cse3 (and .cse8 .cse9 .cse4 .cse10 .cse11 .cse6 (not .cse1) .cse12 .cse13 .cse14 .cse15)) (.cse5 (not (= 2 ~waterLevel~0))) (.cse7 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or .cse2 (not (= |old(~pumpRunning~0)| 1)) .cse7) (or .cse0 (and .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse7) .cse2 (and .cse4 .cse5 .cse6 .cse14) .cse3 (and .cse9 .cse5 .cse14 .cse15 .cse7))))) [2021-12-06 22:16:31,060 INFO L854 garLoopResultBuilder]: At program point L933(lines 928 935) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0))) [2021-12-06 22:16:31,061 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 367) no Hoare annotation was computed. [2021-12-06 22:16:31,061 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 112 118) no Hoare annotation was computed. [2021-12-06 22:16:31,061 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 180) no Hoare annotation was computed. [2021-12-06 22:16:31,061 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 149) no Hoare annotation was computed. [2021-12-06 22:16:31,061 INFO L854 garLoopResultBuilder]: At program point L174-2(lines 167 183) the Hoare annotation is: (let ((.cse14 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse4 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1)) (.cse5 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse6 (= |timeShift_processEnvironment_~tmp~0#1| 1)) (.cse7 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse3 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse15 (= ~pumpRunning~0 0)) (.cse13 (not (= 2 ~waterLevel~0))) (.cse17 (not .cse14)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |timeShift_activatePump_~tmp~1#1| ~methaneLevelCritical~0)) (.cse16 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse16)) (.cse11 (and .cse3 .cse15 .cse13 .cse17 .cse8 .cse9)) (.cse12 (and .cse2 .cse3 .cse15 .cse4 .cse5 .cse16 .cse17 .cse6 .cse7 .cse8 .cse9))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (let ((.cse10 (= ~pumpRunning~0 1))) (or .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) .cse0 .cse11 .cse12 (and .cse3 .cse13 .cse8 .cse9 .cse10))) (or .cse1 .cse14 .cse0 .cse11 .cse12))))) [2021-12-06 22:16:31,061 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 154) no Hoare annotation was computed. [2021-12-06 22:16:31,061 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 461) no Hoare annotation was computed. [2021-12-06 22:16:31,061 INFO L854 garLoopResultBuilder]: At program point L199(lines 192 202) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (let ((.cse1 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse1 .cse2 (not (= 2 ~waterLevel~0)) .cse3) .cse0 (and (= |timeShift_isHighWaterLevel_#res#1| 1) .cse1 .cse2 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1) (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) (= |timeShift_processEnvironment_~tmp~0#1| 1) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse3))))) [2021-12-06 22:16:31,061 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 261) no Hoare annotation was computed. [2021-12-06 22:16:31,061 INFO L858 garLoopResultBuilder]: For program point L257-2(lines 257 261) no Hoare annotation was computed. [2021-12-06 22:16:31,061 INFO L854 garLoopResultBuilder]: At program point L447(lines 442 450) the Hoare annotation is: (let ((.cse10 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse11 (not (= 2 |timeShift_getWaterLevel_#res#1|))) (.cse12 (not (= 2 ~waterLevel~0))) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |timeShift_activatePump_~tmp~1#1| ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 1))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (and .cse7 .cse11 .cse12 .cse8 .cse9 .cse2)) (.cse6 (and (= ~pumpRunning~0 0) .cse11 .cse12 .cse10 .cse8)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (not .cse10))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= |old(~waterLevel~0)| 1)) .cse0 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse4 .cse0 .cse1) (or .cse3 .cse0 .cse5 .cse6 (= |old(~waterLevel~0)| 2)) (or .cse3 (and (= |timeShift_isHighWaterLevel_#res#1| 1) .cse7 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1) (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) (= |timeShift_processEnvironment_~tmp~0#1| 1) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse8 .cse9 .cse2) .cse0 .cse5 .cse6) (or .cse3 .cse4 .cse0)))) [2021-12-06 22:16:31,061 INFO L854 garLoopResultBuilder]: At program point L208(lines 203 211) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (= |timeShift_isPumpRunning_#res#1| 1)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~waterLevel~0)| 2)) (or .cse2 .cse1 .cse3) (or .cse1 .cse3 (and .cse4 .cse5)) (or .cse0 .cse1 (and (= |timeShift_isHighWaterLevel_#res#1| 1) (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|) .cse4 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1) (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) (= |timeShift_processEnvironment_~tmp~0#1| 1) (= |timeShift_isHighWaterSensorDry_#res#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |timeShift_activatePump_~tmp~1#1| ~methaneLevelCritical~0) .cse5)) (or .cse0 .cse2 .cse1))) [2021-12-06 22:16:31,062 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 101 124) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) (and .cse0 (= ~pumpRunning~0 1))))) [2021-12-06 22:16:31,062 INFO L854 garLoopResultBuilder]: At program point L460(lines 451 464) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (not (= 2 ~waterLevel~0)) .cse2) (and .cse1 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse2))))) [2021-12-06 22:16:31,062 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 101 124) no Hoare annotation was computed. [2021-12-06 22:16:31,062 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2021-12-06 22:16:31,062 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 104 123) no Hoare annotation was computed. [2021-12-06 22:16:31,062 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2021-12-06 22:16:31,062 INFO L854 garLoopResultBuilder]: At program point L163(lines 158 165) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= |timeShift_activatePump_~tmp~1#1| ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1))) (or .cse0 (and (= |timeShift_isHighWaterLevel_#res#1| 1) .cse1 (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 1) (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) (= |timeShift_processEnvironment_~tmp~0#1| 1) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse2 .cse3 .cse4) .cse5 (and .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse3 .cse4))) (or .cse5 (not (= |old(~pumpRunning~0)| 1))) (or .cse0 (= ~methaneLevelCritical~0 0) .cse5))) [2021-12-06 22:16:31,062 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 287) no Hoare annotation was computed. [2021-12-06 22:16:31,062 INFO L861 garLoopResultBuilder]: At program point L535(lines 528 537) the Hoare annotation is: true [2021-12-06 22:16:31,062 INFO L858 garLoopResultBuilder]: For program point L548(lines 548 555) no Hoare annotation was computed. [2021-12-06 22:16:31,062 INFO L858 garLoopResultBuilder]: For program point L548-2(lines 548 555) no Hoare annotation was computed. [2021-12-06 22:16:31,062 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 22:16:31,062 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 22:16:31,063 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 321) no Hoare annotation was computed. [2021-12-06 22:16:31,063 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 22:16:31,063 INFO L854 garLoopResultBuilder]: At program point L317-2(lines 311 322) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 1)))) [2021-12-06 22:16:31,063 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 307) no Hoare annotation was computed. [2021-12-06 22:16:31,063 INFO L861 garLoopResultBuilder]: At program point L557(lines 538 560) the Hoare annotation is: true [2021-12-06 22:16:31,063 INFO L858 garLoopResultBuilder]: For program point L301-1(lines 301 307) no Hoare annotation was computed. [2021-12-06 22:16:31,063 INFO L861 garLoopResultBuilder]: At program point L330(lines 271 334) the Hoare annotation is: true [2021-12-06 22:16:31,063 INFO L854 garLoopResultBuilder]: At program point L293(line 293) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 1)) (and .cse4 (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 .cse3))) [2021-12-06 22:16:31,063 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 22:16:31,063 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 22:16:31,063 INFO L854 garLoopResultBuilder]: At program point L525(lines 521 527) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0)) [2021-12-06 22:16:31,063 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 22:16:31,063 INFO L854 garLoopResultBuilder]: At program point L327(lines 280 328) the Hoare annotation is: false [2021-12-06 22:16:31,064 INFO L858 garLoopResultBuilder]: For program point L282(lines 281 326) no Hoare annotation was computed. [2021-12-06 22:16:31,064 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 322) no Hoare annotation was computed. [2021-12-06 22:16:31,064 INFO L854 garLoopResultBuilder]: At program point L303(line 303) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 1)))) [2021-12-06 22:16:31,064 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 22:16:31,064 INFO L854 garLoopResultBuilder]: At program point L324(lines 281 326) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 1)) (and .cse4 (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 .cse3))) [2021-12-06 22:16:31,064 INFO L858 garLoopResultBuilder]: For program point L291(lines 291 297) no Hoare annotation was computed. [2021-12-06 22:16:31,064 INFO L858 garLoopResultBuilder]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2021-12-06 22:16:31,064 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 386 397) no Hoare annotation was computed. [2021-12-06 22:16:31,064 INFO L858 garLoopResultBuilder]: For program point L390-1(lines 386 397) no Hoare annotation was computed. [2021-12-06 22:16:31,064 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 386 397) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| 2)) (or .cse1 (not (= ~pumpRunning~0 1)) .cse2) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2021-12-06 22:16:31,067 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:16:31,068 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 22:16:31,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 10:16:31 BoogieIcfgContainer [2021-12-06 22:16:31,102 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 22:16:31,102 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:16:31,102 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:16:31,102 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:16:31,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:16:26" (3/4) ... [2021-12-06 22:16:31,106 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 22:16:31,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 22:16:31,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 22:16:31,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 22:16:31,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-06 22:16:31,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 22:16:31,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 22:16:31,118 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-12-06 22:16:31,118 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 22:16:31,119 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 22:16:31,120 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 22:16:31,120 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 22:16:31,120 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 22:16:31,121 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 22:16:31,137 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2021-12-06 22:16:31,138 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive [2021-12-06 22:16:31,138 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) && pumpRunning == 1) || (((((pumpRunning == 0 && !(2 == waterLevel)) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive)) || (((((pumpRunning == 0 && 1 == systemActive) && !(methaneLevelCritical == 0)) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) [2021-12-06 22:16:31,139 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && (!(\old(pumpRunning) == 0) || !(1 == systemActive)) [2021-12-06 22:16:31,139 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((((((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp___0 == 1) && tmp == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical)) || ((pumpRunning == 0 && !(2 == waterLevel)) && 1 == systemActive)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((((!(\old(pumpRunning) == 0) || ((((((((\result == 1 && methaneLevelCritical == \result) && tmp___0 == 1) && tmp == 0) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && !(2 == waterLevel)) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || ((((((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp___0 == 1) && tmp == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical)) || ((((methaneLevelCritical == \result && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) [2021-12-06 22:16:31,140 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((((((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 1) && tmp == 0) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical)) || ((((pumpRunning == 0 && !(tmp == 0)) && !(2 == waterLevel)) && 1 == systemActive) && \old(waterLevel) == waterLevel)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((((!(\old(pumpRunning) == 0) || ((((((((\result == 1 && methaneLevelCritical == \result) && tmp___0 == 1) && tmp == 0) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && !(2 == waterLevel)) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || ((((((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 1) && tmp == 0) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical)) || ((((methaneLevelCritical == \result && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1))) && (((!(tmp == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) [2021-12-06 22:16:31,140 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (((!(\old(pumpRunning) == 0) || (((methaneLevelCritical == \result && pumpRunning == 0) && !(2 == waterLevel)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp___0 == 1) && tmp == 0) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel)) [2021-12-06 22:16:31,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((methaneLevelCritical == 0 || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((methaneLevelCritical == \result && !(2 == \result)) && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || ((((pumpRunning == 0 && !(2 == \result)) && !(2 == waterLevel)) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || \old(waterLevel) == 2)) && ((((!(\old(pumpRunning) == 0) || ((((((((\result == 1 && methaneLevelCritical == \result) && tmp___0 == 1) && tmp == 0) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(1 == systemActive)) || (((((methaneLevelCritical == \result && !(2 == \result)) && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || ((((pumpRunning == 0 && !(2 == \result)) && !(2 == waterLevel)) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) [2021-12-06 22:16:31,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && !(2 == waterLevel)) && \old(waterLevel) == waterLevel)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) [2021-12-06 22:16:31,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (((((!(\old(pumpRunning) == 0) || ((((((((\result == 1 && methaneLevelCritical == \result) && tmp___0 == 1) && tmp == 0) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(1 == systemActive)) || (((((methaneLevelCritical == \result && pumpRunning == 0) && !(2 == waterLevel)) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical)) || ((((((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp___0 == 1) && tmp == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical)) || ((((methaneLevelCritical == \result && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || (((((methaneLevelCritical == \result && pumpRunning == 0) && !(2 == waterLevel)) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical)) || ((((((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp___0 == 1) && tmp == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical)) [2021-12-06 22:16:31,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || ((((((((\result == 1 && methaneLevelCritical == \result) && tmp___0 == 1) && tmp == 0) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(1 == systemActive)) || ((((methaneLevelCritical == \result && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) [2021-12-06 22:16:31,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && !(2 == waterLevel)) && \old(waterLevel) == waterLevel)) || (((((\result == 1 && pumpRunning == 0) && tmp___0 == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel)) [2021-12-06 22:16:31,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || \old(waterLevel) == 2) && ((methaneLevelCritical == 0 || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (\result == 1 && pumpRunning == 1))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((((\result == 1 && methaneLevelCritical == \result) && \result == 1) && tmp___0 == 1) && tmp == 0) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1))) && ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) [2021-12-06 22:16:31,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (!(\old(pumpRunning) == 0) || !(1 == systemActive)) [2021-12-06 22:16:31,167 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 22:16:31,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:16:31,167 INFO L158 Benchmark]: Toolchain (without parser) took 5420.68ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 69.7MB in the beginning and 79.3MB in the end (delta: -9.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2021-12-06 22:16:31,168 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:16:31,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.13ms. Allocated memory is still 111.1MB. Free memory was 69.5MB in the beginning and 51.1MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-06 22:16:31,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.12ms. Allocated memory is still 111.1MB. Free memory was 50.9MB in the beginning and 48.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:16:31,169 INFO L158 Benchmark]: Boogie Preprocessor took 22.46ms. Allocated memory is still 111.1MB. Free memory was 48.6MB in the beginning and 47.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:16:31,169 INFO L158 Benchmark]: RCFGBuilder took 375.18ms. Allocated memory is still 111.1MB. Free memory was 47.0MB in the beginning and 75.0MB in the end (delta: -28.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 22:16:31,169 INFO L158 Benchmark]: TraceAbstraction took 4612.55ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 74.5MB in the beginning and 85.6MB in the end (delta: -11.1MB). Peak memory consumption was 68.5MB. Max. memory is 16.1GB. [2021-12-06 22:16:31,170 INFO L158 Benchmark]: Witness Printer took 64.57ms. Allocated memory is still 134.2MB. Free memory was 85.6MB in the beginning and 79.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 22:16:31,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.13ms. Allocated memory is still 111.1MB. Free memory was 69.5MB in the beginning and 51.1MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.12ms. Allocated memory is still 111.1MB. Free memory was 50.9MB in the beginning and 48.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.46ms. Allocated memory is still 111.1MB. Free memory was 48.6MB in the beginning and 47.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.18ms. Allocated memory is still 111.1MB. Free memory was 47.0MB in the beginning and 75.0MB in the end (delta: -28.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4612.55ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 74.5MB in the beginning and 85.6MB in the end (delta: -11.1MB). Peak memory consumption was 68.5MB. Max. memory is 16.1GB. * Witness Printer took 64.57ms. Allocated memory is still 134.2MB. Free memory was 85.6MB in the beginning and 79.3MB 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: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1085 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1052 mSDsluCounter, 3269 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2301 mSDsCounter, 172 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 976 IncrementalHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 172 mSolverCounterUnsat, 968 mSDtfsCounter, 976 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=650occurred 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 296 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 1094 PreInvPairs, 1343 NumberOfFragments, 1725 HoareAnnotationTreeSize, 1094 FomulaSimplifications, 3773 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 37 FomulaSimplificationsInter, 18809 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 393 NumberOfCodeBlocks, 393 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 646 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 6/6 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: 521]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((methaneLevelCritical == 0 || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((methaneLevelCritical == \result && !(2 == \result)) && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || ((((pumpRunning == 0 && !(2 == \result)) && !(2 == waterLevel)) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || \old(waterLevel) == 2)) && ((((!(\old(pumpRunning) == 0) || ((((((((\result == 1 && methaneLevelCritical == \result) && tmp___0 == 1) && tmp == 0) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(1 == systemActive)) || (((((methaneLevelCritical == \result && !(2 == \result)) && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || ((((pumpRunning == 0 && !(2 == \result)) && !(2 == waterLevel)) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && !(2 == waterLevel)) && \old(waterLevel) == waterLevel)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || \old(waterLevel) == 2) && ((methaneLevelCritical == 0 || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (\result == 1 && pumpRunning == 1))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((((\result == 1 && methaneLevelCritical == \result) && \result == 1) && tmp___0 == 1) && tmp == 0) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1))) && ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (!(\old(pumpRunning) == 0) || !(1 == systemActive)) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (((!(\old(pumpRunning) == 0) || (((methaneLevelCritical == \result && pumpRunning == 0) && !(2 == waterLevel)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp___0 == 1) && tmp == 0) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || ((((((((\result == 1 && methaneLevelCritical == \result) && tmp___0 == 1) && tmp == 0) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(1 == systemActive)) || ((((methaneLevelCritical == \result && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && (!(\old(pumpRunning) == 0) || !(1 == systemActive)) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && !(2 == waterLevel)) && \old(waterLevel) == waterLevel)) || (((((\result == 1 && pumpRunning == 0) && tmp___0 == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((((((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 1) && tmp == 0) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical)) || ((((pumpRunning == 0 && !(tmp == 0)) && !(2 == waterLevel)) && 1 == systemActive) && \old(waterLevel) == waterLevel)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((((!(\old(pumpRunning) == 0) || ((((((((\result == 1 && methaneLevelCritical == \result) && tmp___0 == 1) && tmp == 0) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && !(2 == waterLevel)) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || ((((((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && !(tmp == 0)) && tmp___0 == 1) && tmp == 0) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical)) || ((((methaneLevelCritical == \result && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1))) && (((!(tmp == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (((((!(\old(pumpRunning) == 0) || ((((((((\result == 1 && methaneLevelCritical == \result) && tmp___0 == 1) && tmp == 0) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(1 == systemActive)) || (((((methaneLevelCritical == \result && pumpRunning == 0) && !(2 == waterLevel)) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical)) || ((((((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp___0 == 1) && tmp == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical)) || ((((methaneLevelCritical == \result && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || (((((methaneLevelCritical == \result && pumpRunning == 0) && !(2 == waterLevel)) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical)) || ((((((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp___0 == 1) && tmp == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical)) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((((((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp___0 == 1) && tmp == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical)) || ((pumpRunning == 0 && !(2 == waterLevel)) && 1 == systemActive)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((((!(\old(pumpRunning) == 0) || ((((((((\result == 1 && methaneLevelCritical == \result) && tmp___0 == 1) && tmp == 0) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) || !(1 == systemActive)) || (((pumpRunning == 0 && !(2 == waterLevel)) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || ((((((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp___0 == 1) && tmp == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && tmp == 1) && \result == 0) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical)) || ((((methaneLevelCritical == \result && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && tmp == methaneLevelCritical) && pumpRunning == 1)) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) && pumpRunning == 1) || (((((pumpRunning == 0 && !(2 == waterLevel)) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive)) || (((((pumpRunning == 0 && 1 == systemActive) && !(methaneLevelCritical == 0)) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 22:16:31,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4b3e2d6-9504-4313-8601-0cd53b249b4a/bin/uautomizer-DrprNOufMa/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