./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y --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 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:20:45,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:20:45,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:20:45,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:20:45,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:20:45,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:20:45,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:20:45,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:20:45,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:20:45,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:20:45,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:20:45,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:20:45,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:20:45,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:20:45,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:20:45,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:20:45,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:20:45,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:20:45,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:20:45,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:20:45,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:20:45,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:20:45,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:20:45,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:20:45,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:20:45,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:20:45,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:20:45,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:20:45,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:20:45,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:20:45,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:20:45,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:20:45,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:20:45,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:20:45,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:20:45,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:20:45,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:20:45,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:20:45,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:20:45,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:20:45,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:20:45,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 18:20:45,654 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:20:45,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:20:45,655 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:20:45,656 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:20:45,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:20:45,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:20:45,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:20:45,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:20:45,665 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:20:45,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:20:45,666 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:20:45,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:20:45,666 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:20:45,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:20:45,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:20:45,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:20:45,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:20:45,667 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:20:45,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:20:45,668 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:20:45,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:20:45,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:20:45,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:20:45,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:20:45,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:20:45,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:20:45,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:20:45,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:20:45,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:20:45,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:20:45,671 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:20:45,672 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:20:45,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:20:45,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:20:45,672 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_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc [2021-11-13 18:20:45,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:20:45,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:20:45,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:20:45,970 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:20:45,971 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:20:45,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2021-11-13 18:20:46,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y/data/b15483f0a/eca93bf2b827452ca555d26141e06be4/FLAG0facd3984 [2021-11-13 18:20:46,631 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:20:46,631 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2021-11-13 18:20:46,645 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y/data/b15483f0a/eca93bf2b827452ca555d26141e06be4/FLAG0facd3984 [2021-11-13 18:20:46,955 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y/data/b15483f0a/eca93bf2b827452ca555d26141e06be4 [2021-11-13 18:20:46,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:20:46,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:20:46,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:20:46,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:20:46,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:20:46,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:20:46" (1/1) ... [2021-11-13 18:20:46,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8cdc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:20:46, skipping insertion in model container [2021-11-13 18:20:46,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:20:46" (1/1) ... [2021-11-13 18:20:46,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:20:47,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:20:47,230 WARN L228 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_a2429812-c000-480e-96f8-549ba1069f57/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c[2141,2154] [2021-11-13 18:20:47,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:20:47,437 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:20:47,468 WARN L228 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_a2429812-c000-480e-96f8-549ba1069f57/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c[2141,2154] [2021-11-13 18:20:47,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:20:47,568 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:20:47,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:20:47 WrapperNode [2021-11-13 18:20:47,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:20:47,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:20:47,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:20:47,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:20:47,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:20:47" (1/1) ... [2021-11-13 18:20:47,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:20:47" (1/1) ... [2021-11-13 18:20:47,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:20:47,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:20:47,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:20:47,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:20:47,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:20:47" (1/1) ... [2021-11-13 18:20:47,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:20:47" (1/1) ... [2021-11-13 18:20:47,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:20:47" (1/1) ... [2021-11-13 18:20:47,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:20:47" (1/1) ... [2021-11-13 18:20:47,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:20:47" (1/1) ... [2021-11-13 18:20:47,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:20:47" (1/1) ... [2021-11-13 18:20:47,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:20:47" (1/1) ... [2021-11-13 18:20:47,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:20:47,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:20:47,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:20:47,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:20:47,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:20:47" (1/1) ... [2021-11-13 18:20:47,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:20:47,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:20:47,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:20:47,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:20:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:20:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-13 18:20:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-13 18:20:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-13 18:20:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-13 18:20:47,771 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-13 18:20:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-13 18:20:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-13 18:20:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-13 18:20:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-13 18:20:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-13 18:20:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-13 18:20:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-13 18:20:47,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:20:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-13 18:20:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-13 18:20:47,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:20:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:20:48,554 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:20:48,555 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 18:20:48,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:20:48 BoogieIcfgContainer [2021-11-13 18:20:48,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:20:48,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:20:48,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:20:48,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:20:48,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:20:46" (1/3) ... [2021-11-13 18:20:48,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7419dd1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:20:48, skipping insertion in model container [2021-11-13 18:20:48,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:20:47" (2/3) ... [2021-11-13 18:20:48,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7419dd1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:20:48, skipping insertion in model container [2021-11-13 18:20:48,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:20:48" (3/3) ... [2021-11-13 18:20:48,566 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2021-11-13 18:20:48,572 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:20:48,572 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:20:48,622 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:20:48,630 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 [2021-11-13 18:20:48,630 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:20:48,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 67 states have internal predecessors, (83), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-13 18:20:48,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 18:20:48,656 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:20:48,657 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] [2021-11-13 18:20:48,657 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:20:48,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:20:48,663 INFO L85 PathProgramCache]: Analyzing trace with hash 233664886, now seen corresponding path program 1 times [2021-11-13 18:20:48,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:20:48,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169082360] [2021-11-13 18:20:48,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:20:48,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:20:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:48,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:20:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:48,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:20:48,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:20:48,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169082360] [2021-11-13 18:20:48,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169082360] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:20:48,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:20:48,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:20:48,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322982132] [2021-11-13 18:20:48,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:20:48,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 18:20:48,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:20:48,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 18:20:48,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 18:20:48,957 INFO L87 Difference]: Start difference. First operand has 80 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 67 states have internal predecessors, (83), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:20:48,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:20:48,989 INFO L93 Difference]: Finished difference Result 152 states and 205 transitions. [2021-11-13 18:20:48,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:20:48,992 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-11-13 18:20:48,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:20:49,001 INFO L225 Difference]: With dead ends: 152 [2021-11-13 18:20:49,002 INFO L226 Difference]: Without dead ends: 71 [2021-11-13 18:20:49,006 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 [2021-11-13 18:20:49,010 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.72ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 18:20:49,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 1.72ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 18:20:49,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-11-13 18:20:49,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-11-13 18:20:49,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 59 states have internal predecessors, (69), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2021-11-13 18:20:49,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2021-11-13 18:20:49,089 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 23 [2021-11-13 18:20:49,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:20:49,090 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2021-11-13 18:20:49,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:20:49,091 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2021-11-13 18:20:49,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 18:20:49,097 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:20:49,097 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] [2021-11-13 18:20:49,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:20:49,098 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:20:49,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:20:49,102 INFO L85 PathProgramCache]: Analyzing trace with hash 962070603, now seen corresponding path program 1 times [2021-11-13 18:20:49,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:20:49,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44018666] [2021-11-13 18:20:49,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:20:49,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:20:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:49,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-13 18:20:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:49,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:20:49,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:20:49,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44018666] [2021-11-13 18:20:49,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44018666] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:20:49,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:20:49,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:20:49,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7042958] [2021-11-13 18:20:49,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:20:49,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:20:49,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:20:49,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:20:49,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:20:49,312 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:20:49,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:20:49,327 INFO L93 Difference]: Finished difference Result 104 states and 130 transitions. [2021-11-13 18:20:49,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:20:49,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-11-13 18:20:49,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:20:49,334 INFO L225 Difference]: With dead ends: 104 [2021-11-13 18:20:49,334 INFO L226 Difference]: Without dead ends: 62 [2021-11-13 18:20:49,335 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 [2021-11-13 18:20:49,336 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 16 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.88ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.61ms IncrementalHoareTripleChecker+Time [2021-11-13 18:20:49,337 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 133 Invalid, 1 Unknown, 0 Unchecked, 1.88ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 1.61ms Time] [2021-11-13 18:20:49,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-11-13 18:20:49,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2021-11-13 18:20:49,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 53 states have internal predecessors, (62), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-13 18:20:49,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2021-11-13 18:20:49,349 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 78 transitions. Word has length 24 [2021-11-13 18:20:49,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:20:49,350 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 78 transitions. [2021-11-13 18:20:49,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-13 18:20:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2021-11-13 18:20:49,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 18:20:49,352 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:20:49,352 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] [2021-11-13 18:20:49,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:20:49,352 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:20:49,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:20:49,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1633759331, now seen corresponding path program 1 times [2021-11-13 18:20:49,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:20:49,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722055357] [2021-11-13 18:20:49,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:20:49,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:20:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:49,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-13 18:20:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:20:49,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:20:49,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722055357] [2021-11-13 18:20:49,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722055357] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:20:49,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:20:49,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:20:49,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651354898] [2021-11-13 18:20:49,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:20:49,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:20:49,509 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:20:49,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:20:49,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:20:49,511 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-11-13 18:20:49,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:20:49,819 INFO L93 Difference]: Finished difference Result 213 states and 275 transitions. [2021-11-13 18:20:49,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:20:49,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 28 [2021-11-13 18:20:49,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:20:49,822 INFO L225 Difference]: With dead ends: 213 [2021-11-13 18:20:49,822 INFO L226 Difference]: Without dead ends: 158 [2021-11-13 18:20:49,823 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 [2021-11-13 18:20:49,825 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 163 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 215.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.61ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 250.25ms IncrementalHoareTripleChecker+Time [2021-11-13 18:20:49,826 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 423 Invalid, 95 Unknown, 0 Unchecked, 10.61ms Time], IncrementalHoareTripleChecker [14 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 250.25ms Time] [2021-11-13 18:20:49,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-11-13 18:20:49,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 152. [2021-11-13 18:20:49,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 113 states have (on average 1.3539823008849559) internal successors, (153), 127 states have internal predecessors, (153), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (22), 15 states have call predecessors, (22), 21 states have call successors, (22) [2021-11-13 18:20:49,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 196 transitions. [2021-11-13 18:20:49,851 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 196 transitions. Word has length 28 [2021-11-13 18:20:49,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:20:49,852 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 196 transitions. [2021-11-13 18:20:49,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-11-13 18:20:49,852 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 196 transitions. [2021-11-13 18:20:49,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 18:20:49,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:20:49,855 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] [2021-11-13 18:20:49,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:20:49,855 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:20:49,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:20:49,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1210161126, now seen corresponding path program 1 times [2021-11-13 18:20:49,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:20:49,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570745931] [2021-11-13 18:20:49,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:20:49,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:20:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:49,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-13 18:20:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:49,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-13 18:20:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:49,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:20:49,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:20:49,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570745931] [2021-11-13 18:20:49,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570745931] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:20:49,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:20:49,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:20:49,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709767440] [2021-11-13 18:20:49,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:20:49,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:20:49,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:20:49,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:20:49,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:20:49,966 INFO L87 Difference]: Start difference. First operand 152 states and 196 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 18:20:50,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:20:50,173 INFO L93 Difference]: Finished difference Result 443 states and 584 transitions. [2021-11-13 18:20:50,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 18:20:50,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-11-13 18:20:50,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:20:50,179 INFO L225 Difference]: With dead ends: 443 [2021-11-13 18:20:50,179 INFO L226 Difference]: Without dead ends: 298 [2021-11-13 18:20:50,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:20:50,182 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 51 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 137.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.30ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 156.88ms IncrementalHoareTripleChecker+Time [2021-11-13 18:20:50,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 375 Invalid, 44 Unknown, 0 Unchecked, 3.30ms Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 156.88ms Time] [2021-11-13 18:20:50,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-11-13 18:20:50,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 289. [2021-11-13 18:20:50,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 212 states have (on average 1.3349056603773586) internal successors, (283), 239 states have internal predecessors, (283), 42 states have call successors, (42), 34 states have call predecessors, (42), 34 states have return successors, (47), 30 states have call predecessors, (47), 42 states have call successors, (47) [2021-11-13 18:20:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 372 transitions. [2021-11-13 18:20:50,223 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 372 transitions. Word has length 33 [2021-11-13 18:20:50,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:20:50,224 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 372 transitions. [2021-11-13 18:20:50,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-13 18:20:50,224 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 372 transitions. [2021-11-13 18:20:50,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 18:20:50,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:20:50,227 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] [2021-11-13 18:20:50,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:20:50,227 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:20:50,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:20:50,228 INFO L85 PathProgramCache]: Analyzing trace with hash -618871306, now seen corresponding path program 1 times [2021-11-13 18:20:50,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:20:50,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473300861] [2021-11-13 18:20:50,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:20:50,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:20:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:50,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-13 18:20:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:50,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-13 18:20:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:50,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-11-13 18:20:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:20:50,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:20:50,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:20:50,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473300861] [2021-11-13 18:20:50,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473300861] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:20:50,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:20:50,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:20:50,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904341854] [2021-11-13 18:20:50,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:20:50,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:20:50,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:20:50,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:20:50,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:20:50,321 INFO L87 Difference]: Start difference. First operand 289 states and 372 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 18:20:50,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:20:50,536 INFO L93 Difference]: Finished difference Result 514 states and 668 transitions. [2021-11-13 18:20:50,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:20:50,537 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2021-11-13 18:20:50,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:20:50,538 INFO L225 Difference]: With dead ends: 514 [2021-11-13 18:20:50,539 INFO L226 Difference]: Without dead ends: 0 [2021-11-13 18:20:50,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:20:50,546 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 50 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 121.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.53ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 144.29ms IncrementalHoareTripleChecker+Time [2021-11-13 18:20:50,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 134 Invalid, 75 Unknown, 0 Unchecked, 2.53ms Time], IncrementalHoareTripleChecker [14 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 144.29ms Time] [2021-11-13 18:20:50,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-13 18:20:50,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-13 18:20:50,549 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) [2021-11-13 18:20:50,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-13 18:20:50,549 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-11-13 18:20:50,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:20:50,550 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 18:20:50,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-13 18:20:50,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-13 18:20:50,551 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 18:20:50,553 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 18:20:50,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:20:50,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-13 18:20:51,251 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 841 848) the Hoare annotation is: true [2021-11-13 18:20:51,252 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 841 848) no Hoare annotation was computed. [2021-11-13 18:20:51,252 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 841 848) no Hoare annotation was computed. [2021-11-13 18:20:51,252 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 782 788) no Hoare annotation was computed. [2021-11-13 18:20:51,252 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 782 788) the Hoare annotation is: true [2021-11-13 18:20:51,252 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 130 141) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-11-13 18:20:51,252 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 130 141) no Hoare annotation was computed. [2021-11-13 18:20:51,253 INFO L858 garLoopResultBuilder]: For program point L134-1(lines 130 141) no Hoare annotation was computed. [2021-11-13 18:20:51,253 INFO L854 garLoopResultBuilder]: At program point L865(lines 860 868) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2021-11-13 18:20:51,253 INFO L854 garLoopResultBuilder]: At program point L93(lines 88 95) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-13 18:20:51,253 INFO L854 garLoopResultBuilder]: At program point L188(lines 183 191) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-13 18:20:51,253 INFO L858 garLoopResultBuilder]: For program point L762-1(lines 761 780) no Hoare annotation was computed. [2021-11-13 18:20:51,253 INFO L858 garLoopResultBuilder]: For program point L110(lines 110 114) no Hoare annotation was computed. [2021-11-13 18:20:51,253 INFO L854 garLoopResultBuilder]: At program point L110-2(lines 106 117) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-13 18:20:51,254 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 758 781) no Hoare annotation was computed. [2021-11-13 18:20:51,254 INFO L854 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-13 18:20:51,254 INFO L854 garLoopResultBuilder]: At program point L800(line 800) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-13 18:20:51,254 INFO L854 garLoopResultBuilder]: At program point L920(lines 905 923) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-13 18:20:51,254 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 212) no Hoare annotation was computed. [2021-11-13 18:20:51,254 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 215) no Hoare annotation was computed. [2021-11-13 18:20:51,254 INFO L854 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2021-11-13 18:20:51,255 INFO L854 garLoopResultBuilder]: At program point L202-1(lines 194 218) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0) (not (= ~methaneLevelCritical~0 0))))) [2021-11-13 18:20:51,255 INFO L854 garLoopResultBuilder]: At program point L809-1(lines 790 814) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2021-11-13 18:20:51,255 INFO L858 garLoopResultBuilder]: For program point L769-1(lines 769 775) no Hoare annotation was computed. [2021-11-13 18:20:51,255 INFO L858 garLoopResultBuilder]: For program point L798(lines 798 806) no Hoare annotation was computed. [2021-11-13 18:20:51,255 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-13 18:20:51,255 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 811) no Hoare annotation was computed. [2021-11-13 18:20:51,255 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 918) no Hoare annotation was computed. [2021-11-13 18:20:51,256 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 918) no Hoare annotation was computed. [2021-11-13 18:20:51,256 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 758 781) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-13 18:20:51,256 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 758 781) no Hoare annotation was computed. [2021-11-13 18:20:51,256 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2021-11-13 18:20:51,260 INFO L854 garLoopResultBuilder]: At program point L200(line 200) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-13 18:20:51,260 INFO L858 garLoopResultBuilder]: For program point L200-1(line 200) no Hoare annotation was computed. [2021-11-13 18:20:51,260 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 222 251) no Hoare annotation was computed. [2021-11-13 18:20:51,261 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 222 251) the Hoare annotation is: true [2021-11-13 18:20:51,261 INFO L861 garLoopResultBuilder]: At program point L247(lines 222 251) the Hoare annotation is: true [2021-11-13 18:20:51,261 INFO L858 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2021-11-13 18:20:51,261 INFO L858 garLoopResultBuilder]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-11-13 18:20:51,261 INFO L861 garLoopResultBuilder]: At program point L236-1(lines 236 240) the Hoare annotation is: true [2021-11-13 18:20:51,262 INFO L858 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2021-11-13 18:20:51,262 INFO L861 garLoopResultBuilder]: At program point L232-2(lines 232 246) the Hoare annotation is: true [2021-11-13 18:20:51,262 INFO L861 garLoopResultBuilder]: At program point L228(line 228) the Hoare annotation is: true [2021-11-13 18:20:51,262 INFO L858 garLoopResultBuilder]: For program point L228-1(line 228) no Hoare annotation was computed. [2021-11-13 18:20:51,262 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 142 150) the Hoare annotation is: true [2021-11-13 18:20:51,263 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 142 150) no Hoare annotation was computed. [2021-11-13 18:20:51,263 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 142 150) no Hoare annotation was computed. [2021-11-13 18:20:51,263 INFO L854 garLoopResultBuilder]: At program point L936(lines 924 938) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-13 18:20:51,263 INFO L861 garLoopResultBuilder]: At program point L292(lines 285 294) the Hoare annotation is: true [2021-11-13 18:20:51,263 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 934) no Hoare annotation was computed. [2021-11-13 18:20:51,264 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-13 18:20:51,264 INFO L858 garLoopResultBuilder]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2021-11-13 18:20:51,264 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-13 18:20:51,264 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-13 18:20:51,264 INFO L858 garLoopResultBuilder]: For program point L697(lines 696 743) no Hoare annotation was computed. [2021-11-13 18:20:51,265 INFO L858 garLoopResultBuilder]: For program point L726(lines 726 739) no Hoare annotation was computed. [2021-11-13 18:20:51,265 INFO L858 garLoopResultBuilder]: For program point L305(lines 305 312) no Hoare annotation was computed. [2021-11-13 18:20:51,265 INFO L858 garLoopResultBuilder]: For program point L305-2(lines 305 312) no Hoare annotation was computed. [2021-11-13 18:20:51,265 INFO L854 garLoopResultBuilder]: At program point L718(line 718) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-13 18:20:51,266 INFO L861 garLoopResultBuilder]: At program point L747(lines 686 751) the Hoare annotation is: true [2021-11-13 18:20:51,266 INFO L858 garLoopResultBuilder]: For program point L706(lines 706 712) no Hoare annotation was computed. [2021-11-13 18:20:51,266 INFO L858 garLoopResultBuilder]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2021-11-13 18:20:51,266 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-13 18:20:51,266 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 702) no Hoare annotation was computed. [2021-11-13 18:20:51,267 INFO L861 garLoopResultBuilder]: At program point L314(lines 295 317) the Hoare annotation is: true [2021-11-13 18:20:51,267 INFO L854 garLoopResultBuilder]: At program point L281(lines 277 283) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~1#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-11-13 18:20:51,267 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-11-13 18:20:51,267 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-13 18:20:51,267 INFO L854 garLoopResultBuilder]: At program point L744(lines 695 745) the Hoare annotation is: false [2021-11-13 18:20:51,268 INFO L854 garLoopResultBuilder]: At program point L930(line 930) the Hoare annotation is: false [2021-11-13 18:20:51,268 INFO L858 garLoopResultBuilder]: For program point L732(lines 732 738) no Hoare annotation was computed. [2021-11-13 18:20:51,268 INFO L854 garLoopResultBuilder]: At program point L732-2(lines 726 739) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-13 18:20:51,268 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 722) no Hoare annotation was computed. [2021-11-13 18:20:51,268 INFO L858 garLoopResultBuilder]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2021-11-13 18:20:51,269 INFO L854 garLoopResultBuilder]: At program point L741(lines 696 743) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-13 18:20:51,269 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-13 18:20:51,269 INFO L854 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-13 18:20:51,269 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 118 129) no Hoare annotation was computed. [2021-11-13 18:20:51,270 INFO L858 garLoopResultBuilder]: For program point L122-1(lines 118 129) no Hoare annotation was computed. [2021-11-13 18:20:51,270 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 118 129) the Hoare annotation is: true [2021-11-13 18:20:51,273 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-13 18:20:51,275 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:20:51,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:20:51 BoogieIcfgContainer [2021-11-13 18:20:51,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-13 18:20:51,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:20:51,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:20:51,306 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:20:51,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:20:48" (3/4) ... [2021-11-13 18:20:51,312 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 18:20:51,321 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-13 18:20:51,322 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-13 18:20:51,322 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-13 18:20:51,322 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-13 18:20:51,322 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-13 18:20:51,322 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-13 18:20:51,323 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-13 18:20:51,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-11-13 18:20:51,341 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-13 18:20:51,342 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-13 18:20:51,343 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 18:20:51,343 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 18:20:51,344 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 18:20:51,344 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 18:20:51,368 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2021-11-13 18:20:51,369 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive [2021-11-13 18:20:51,369 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-13 18:20:51,370 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2021-11-13 18:20:51,371 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) [2021-11-13 18:20:51,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2021-11-13 18:20:51,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-13 18:20:51,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-13 18:20:51,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-13 18:20:51,398 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 18:20:51,398 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:20:51,399 INFO L158 Benchmark]: Toolchain (without parser) took 4440.02ms. Allocated memory was 83.9MB in the beginning and 132.1MB in the end (delta: 48.2MB). Free memory was 46.9MB in the beginning and 83.3MB in the end (delta: -36.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 18:20:51,399 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:20:51,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 608.45ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 46.7MB in the beginning and 67.9MB in the end (delta: -21.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 18:20:51,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.10ms. Allocated memory is still 100.7MB. Free memory was 67.8MB in the beginning and 65.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:20:51,401 INFO L158 Benchmark]: Boogie Preprocessor took 33.81ms. Allocated memory is still 100.7MB. Free memory was 65.3MB in the beginning and 63.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:20:51,401 INFO L158 Benchmark]: RCFGBuilder took 892.70ms. Allocated memory is still 100.7MB. Free memory was 63.2MB in the beginning and 61.0MB in the end (delta: 2.2MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2021-11-13 18:20:51,401 INFO L158 Benchmark]: TraceAbstraction took 2746.07ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 60.6MB in the beginning and 89.7MB in the end (delta: -29.1MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2021-11-13 18:20:51,402 INFO L158 Benchmark]: Witness Printer took 93.15ms. Allocated memory is still 132.1MB. Free memory was 89.7MB in the beginning and 83.3MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 18:20:51,404 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 608.45ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 46.7MB in the beginning and 67.9MB in the end (delta: -21.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.10ms. Allocated memory is still 100.7MB. Free memory was 67.8MB in the beginning and 65.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.81ms. Allocated memory is still 100.7MB. Free memory was 65.3MB in the beginning and 63.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 892.70ms. Allocated memory is still 100.7MB. Free memory was 63.2MB in the beginning and 61.0MB in the end (delta: 2.2MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2746.07ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 60.6MB in the beginning and 89.7MB in the end (delta: -29.1MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Witness Printer took 93.15ms. Allocated memory is still 132.1MB. Free memory was 89.7MB in the beginning and 83.3MB in the end (delta: 6.4MB). 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: 92]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 287 SdHoareTripleChecker+Valid, 553.03ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 280 mSDsluCounter, 1164 SdHoareTripleChecker+Invalid, 476.67ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 760 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 183 IncrementalHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 404 mSDtfsCounter, 183 mSolverCounterSat, 20.04ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=289occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 370 PreInvPairs, 436 NumberOfFragments, 215 HoareAnnotationTreeSize, 370 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 36 FomulaSimplificationsInter, 1827 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 145 NumberOfCodeBlocks, 145 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || tmp == 0) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) RESULT: Ultimate proved your program to be correct! [2021-11-13 18:20:51,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2429812-c000-480e-96f8-549ba1069f57/bin/uautomizer-YU5uOKAj3y/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