./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD --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 315d60eb588d6482efeebc0b747aa91d22e611dd88f8ad5f52fb821083a93df1 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:52:20,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:52:20,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:52:20,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:52:20,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:52:20,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:52:20,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:52:20,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:52:20,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:52:20,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:52:20,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:52:20,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:52:20,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:52:20,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:52:20,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:52:20,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:52:20,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:52:20,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:52:20,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:52:20,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:52:20,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:52:20,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:52:20,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:52:20,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:52:20,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:52:20,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:52:20,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:52:20,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:52:20,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:52:20,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:52:20,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:52:20,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:52:20,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:52:20,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:52:20,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:52:20,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:52:20,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:52:20,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:52:20,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:52:20,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:52:20,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:52:20,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:52:20,667 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:52:20,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:52:20,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:52:20,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:52:20,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:52:20,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:52:20,686 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:52:20,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:52:20,687 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:52:20,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:52:20,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:52:20,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:52:20,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:52:20,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:52:20,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:52:20,690 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:52:20,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:52:20,690 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:52:20,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:52:20,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:52:20,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:52:20,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:52:20,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:52:20,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:52:20,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:52:20,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:52:20,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:52:20,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:52:20,693 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:52:20,693 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:52:20,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:52:20,694 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:52:20,695 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_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 315d60eb588d6482efeebc0b747aa91d22e611dd88f8ad5f52fb821083a93df1 [2021-10-28 22:52:21,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:52:21,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:52:21,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:52:21,032 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:52:21,033 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:52:21,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2021-10-28 22:52:21,099 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/data/43eb82521/d7407808557e4c368049b34eb893d079/FLAG3f897dcb5 [2021-10-28 22:52:21,657 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:52:21,658 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2021-10-28 22:52:21,680 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/data/43eb82521/d7407808557e4c368049b34eb893d079/FLAG3f897dcb5 [2021-10-28 22:52:21,930 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/data/43eb82521/d7407808557e4c368049b34eb893d079 [2021-10-28 22:52:21,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:52:21,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:52:21,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:52:21,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:52:21,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:52:21,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:52:21" (1/1) ... [2021-10-28 22:52:21,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@587b824b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:21, skipping insertion in model container [2021-10-28 22:52:21,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:52:21" (1/1) ... [2021-10-28 22:52:21,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:52:22,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:52:22,363 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_be720326-d88f-4e91-b1a3-01ec796f956a/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c[17389,17402] [2021-10-28 22:52:22,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:52:22,377 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:52:22,462 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_be720326-d88f-4e91-b1a3-01ec796f956a/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c[17389,17402] [2021-10-28 22:52:22,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:52:22,499 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:52:22,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:22 WrapperNode [2021-10-28 22:52:22,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:52:22,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:52:22,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:52:22,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:52:22,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:22" (1/1) ... [2021-10-28 22:52:22,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:22" (1/1) ... [2021-10-28 22:52:22,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:52:22,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:52:22,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:52:22,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:52:22,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:22" (1/1) ... [2021-10-28 22:52:22,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:22" (1/1) ... [2021-10-28 22:52:22,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:22" (1/1) ... [2021-10-28 22:52:22,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:22" (1/1) ... [2021-10-28 22:52:22,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:22" (1/1) ... [2021-10-28 22:52:22,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:22" (1/1) ... [2021-10-28 22:52:22,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:22" (1/1) ... [2021-10-28 22:52:22,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:52:22,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:52:22,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:52:22,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:52:22,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:22" (1/1) ... [2021-10-28 22:52:22,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:52:22,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:52:22,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:52:22,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:52:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:52:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:52:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:52:22,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:52:23,865 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:52:23,865 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-28 22:52:23,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:52:23 BoogieIcfgContainer [2021-10-28 22:52:23,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:52:23,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:52:23,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:52:23,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:52:23,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:52:21" (1/3) ... [2021-10-28 22:52:23,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c5c948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:52:23, skipping insertion in model container [2021-10-28 22:52:23,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:22" (2/3) ... [2021-10-28 22:52:23,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c5c948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:52:23, skipping insertion in model container [2021-10-28 22:52:23,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:52:23" (3/3) ... [2021-10-28 22:52:23,878 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2021-10-28 22:52:23,882 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:52:23,883 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 22:52:23,931 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:52:23,938 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 [2021-10-28 22:52:23,938 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 22:52:23,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 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) [2021-10-28 22:52:23,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 22:52:23,965 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:23,966 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:52:23,966 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:52:23,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:23,973 INFO L85 PathProgramCache]: Analyzing trace with hash -262370748, now seen corresponding path program 1 times [2021-10-28 22:52:23,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:52:23,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221273558] [2021-10-28 22:52:23,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:23,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:52:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:24,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:24,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:52:24,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221273558] [2021-10-28 22:52:24,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221273558] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:52:24,385 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:52:24,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:52:24,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148612810] [2021-10-28 22:52:24,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 22:52:24,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:52:24,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:52:24,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:52:24,426 INFO L87 Difference]: Start difference. First operand has 71 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 70 states have internal predecessors, (105), 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) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-28 22:52:24,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:24,453 INFO L93 Difference]: Finished difference Result 136 states and 203 transitions. [2021-10-28 22:52:24,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:52:24,455 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) Word has length 16 [2021-10-28 22:52:24,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:24,466 INFO L225 Difference]: With dead ends: 136 [2021-10-28 22:52:24,466 INFO L226 Difference]: Without dead ends: 67 [2021-10-28 22:52:24,470 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:52:24,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-28 22:52:24,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2021-10-28 22:52:24,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 64 states have (on average 1.453125) internal successors, (93), 66 states have internal predecessors, (93), 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) [2021-10-28 22:52:24,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2021-10-28 22:52:24,528 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2021-10-28 22:52:24,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:24,530 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2021-10-28 22:52:24,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-28 22:52:24,531 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2021-10-28 22:52:24,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 22:52:24,533 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:24,533 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:52:24,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:52:24,534 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:52:24,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:24,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1309127645, now seen corresponding path program 1 times [2021-10-28 22:52:24,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:52:24,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394678647] [2021-10-28 22:52:24,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:24,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:52:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:24,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:24,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:52:24,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394678647] [2021-10-28 22:52:24,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394678647] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:52:24,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:52:24,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:52:24,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934607791] [2021-10-28 22:52:24,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:52:24,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:52:24,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:52:24,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:52:24,732 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-10-28 22:52:24,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:24,749 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2021-10-28 22:52:24,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:52:24,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) Word has length 17 [2021-10-28 22:52:24,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:24,757 INFO L225 Difference]: With dead ends: 67 [2021-10-28 22:52:24,759 INFO L226 Difference]: Without dead ends: 33 [2021-10-28 22:52:24,760 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:52:24,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-28 22:52:24,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-28 22:52:24,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 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) [2021-10-28 22:52:24,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-28 22:52:24,773 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-28 22:52:24,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:24,774 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-28 22:52:24,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-10-28 22:52:24,774 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-28 22:52:24,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 22:52:24,776 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:24,776 INFO L513 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] [2021-10-28 22:52:24,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:52:24,778 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:52:24,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:24,779 INFO L85 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2021-10-28 22:52:24,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:52:24,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792947039] [2021-10-28 22:52:24,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:24,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:52:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:24,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:24,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:52:24,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792947039] [2021-10-28 22:52:24,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792947039] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:52:24,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:52:24,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 22:52:24,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630300463] [2021-10-28 22:52:24,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:52:24,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:52:24,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:52:24,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:52:24,942 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-10-28 22:52:25,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:25,064 INFO L93 Difference]: Finished difference Result 83 states and 120 transitions. [2021-10-28 22:52:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 22:52:25,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) Word has length 22 [2021-10-28 22:52:25,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:25,067 INFO L225 Difference]: With dead ends: 83 [2021-10-28 22:52:25,068 INFO L226 Difference]: Without dead ends: 56 [2021-10-28 22:52:25,069 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:52:25,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-10-28 22:52:25,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2021-10-28 22:52:25,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 51 states have internal predecessors, (75), 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) [2021-10-28 22:52:25,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2021-10-28 22:52:25,090 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2021-10-28 22:52:25,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:25,090 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2021-10-28 22:52:25,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-10-28 22:52:25,091 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2021-10-28 22:52:25,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 22:52:25,093 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:25,093 INFO L513 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] [2021-10-28 22:52:25,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:52:25,094 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:52:25,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:25,095 INFO L85 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2021-10-28 22:52:25,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:52:25,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165244905] [2021-10-28 22:52:25,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:25,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:52:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:25,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:25,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:52:25,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165244905] [2021-10-28 22:52:25,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165244905] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:52:25,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:52:25,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 22:52:25,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754128795] [2021-10-28 22:52:25,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 22:52:25,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:52:25,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 22:52:25,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:52:25,263 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 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) [2021-10-28 22:52:25,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:25,673 INFO L93 Difference]: Finished difference Result 317 states and 489 transitions. [2021-10-28 22:52:25,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 22:52:25,674 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 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) Word has length 23 [2021-10-28 22:52:25,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:25,681 INFO L225 Difference]: With dead ends: 317 [2021-10-28 22:52:25,682 INFO L226 Difference]: Without dead ends: 271 [2021-10-28 22:52:25,684 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-10-28 22:52:25,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2021-10-28 22:52:25,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 130. [2021-10-28 22:52:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.449612403100775) internal successors, (187), 129 states have internal predecessors, (187), 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) [2021-10-28 22:52:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 187 transitions. [2021-10-28 22:52:25,721 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 187 transitions. Word has length 23 [2021-10-28 22:52:25,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:25,722 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 187 transitions. [2021-10-28 22:52:25,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 7 states have internal predecessors, (23), 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) [2021-10-28 22:52:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 187 transitions. [2021-10-28 22:52:25,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 22:52:25,726 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:25,727 INFO L513 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] [2021-10-28 22:52:25,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:52:25,727 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:52:25,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:25,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1423522528, now seen corresponding path program 1 times [2021-10-28 22:52:25,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:52:25,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698990578] [2021-10-28 22:52:25,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:25,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:52:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:25,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:25,821 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:52:25,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698990578] [2021-10-28 22:52:25,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698990578] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:52:25,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:52:25,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:52:25,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441082310] [2021-10-28 22:52:25,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:52:25,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:52:25,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:52:25,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:52:25,824 INFO L87 Difference]: Start difference. First operand 130 states and 187 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2021-10-28 22:52:25,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:25,848 INFO L93 Difference]: Finished difference Result 239 states and 346 transitions. [2021-10-28 22:52:25,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:52:25,848 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) Word has length 24 [2021-10-28 22:52:25,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:25,850 INFO L225 Difference]: With dead ends: 239 [2021-10-28 22:52:25,850 INFO L226 Difference]: Without dead ends: 115 [2021-10-28 22:52:25,854 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:52:25,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-28 22:52:25,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-10-28 22:52:25,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 114 states have internal predecessors, (153), 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) [2021-10-28 22:52:25,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 153 transitions. [2021-10-28 22:52:25,882 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 153 transitions. Word has length 24 [2021-10-28 22:52:25,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:25,883 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 153 transitions. [2021-10-28 22:52:25,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 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) [2021-10-28 22:52:25,884 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2021-10-28 22:52:25,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-28 22:52:25,886 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:25,886 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:52:25,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 22:52:25,886 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:52:25,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:25,887 INFO L85 PathProgramCache]: Analyzing trace with hash -647079898, now seen corresponding path program 1 times [2021-10-28 22:52:25,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:52:25,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407058479] [2021-10-28 22:52:25,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:25,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:52:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:25,941 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:25,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:52:25,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407058479] [2021-10-28 22:52:25,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407058479] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:52:25,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397505735] [2021-10-28 22:52:25,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:25,944 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:52:25,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:52:25,949 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:52:25,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 22:52:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:26,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 22:52:26,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:52:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:26,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1397505735] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:52:26,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 22:52:26,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-28 22:52:26,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184837074] [2021-10-28 22:52:26,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:52:26,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:52:26,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:52:26,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:52:26,302 INFO L87 Difference]: Start difference. First operand 115 states and 153 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-10-28 22:52:26,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:26,397 INFO L93 Difference]: Finished difference Result 150 states and 201 transitions. [2021-10-28 22:52:26,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:52:26,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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) Word has length 39 [2021-10-28 22:52:26,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:26,398 INFO L225 Difference]: With dead ends: 150 [2021-10-28 22:52:26,399 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 22:52:26,399 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:52:26,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 22:52:26,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 22:52:26,400 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) [2021-10-28 22:52:26,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 22:52:26,400 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-10-28 22:52:26,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:26,401 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:52:26,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-10-28 22:52:26,401 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:52:26,402 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 22:52:26,404 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:26,405 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:26,405 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:26,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:52:26,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:52:26,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 22:52:26,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,697 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,701 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:26,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:52:27,435 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 900) no Hoare annotation was computed. [2021-10-28 22:52:27,436 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 22:52:27,436 INFO L853 garLoopResultBuilder]: At program point L763(lines 758 766) the Hoare annotation is: false [2021-10-28 22:52:27,436 INFO L853 garLoopResultBuilder]: At program point L763-1(lines 758 766) the Hoare annotation is: false [2021-10-28 22:52:27,436 INFO L853 garLoopResultBuilder]: At program point L763-2(lines 758 766) the Hoare annotation is: false [2021-10-28 22:52:27,436 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-10-28 22:52:27,437 INFO L860 garLoopResultBuilder]: At program point L268(lines 249 271) the Hoare annotation is: true [2021-10-28 22:52:27,437 INFO L853 garLoopResultBuilder]: At program point L235(lines 231 237) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 22:52:27,437 INFO L857 garLoopResultBuilder]: For program point L714(lines 714 722) no Hoare annotation was computed. [2021-10-28 22:52:27,437 INFO L853 garLoopResultBuilder]: At program point L169(lines 164 172) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 22:52:27,437 INFO L857 garLoopResultBuilder]: For program point L714-1(lines 714 722) no Hoare annotation was computed. [2021-10-28 22:52:27,437 INFO L857 garLoopResultBuilder]: For program point L714-2(lines 714 722) no Hoare annotation was computed. [2021-10-28 22:52:27,437 INFO L853 garLoopResultBuilder]: At program point L186-2(lines 186 200) the Hoare annotation is: false [2021-10-28 22:52:27,438 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 853) no Hoare annotation was computed. [2021-10-28 22:52:27,438 INFO L853 garLoopResultBuilder]: At program point L847-1(lines 847 853) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (.cse4 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 0))) (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-10-28 22:52:27,438 INFO L857 garLoopResultBuilder]: For program point L649(lines 649 662) no Hoare annotation was computed. [2021-10-28 22:52:27,438 INFO L853 garLoopResultBuilder]: At program point L649-1(lines 1 903) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (.cse4 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse4 .cse6) (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse5 .cse2 .cse6))) [2021-10-28 22:52:27,438 INFO L857 garLoopResultBuilder]: For program point L649-2(lines 649 662) no Hoare annotation was computed. [2021-10-28 22:52:27,438 INFO L853 garLoopResultBuilder]: At program point L649-3(lines 1 903) the Hoare annotation is: false [2021-10-28 22:52:27,439 INFO L857 garLoopResultBuilder]: For program point L649-4(lines 649 662) no Hoare annotation was computed. [2021-10-28 22:52:27,439 INFO L853 garLoopResultBuilder]: At program point L649-5(lines 1 903) the Hoare annotation is: false [2021-10-28 22:52:27,439 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-28 22:52:27,439 INFO L853 garLoopResultBuilder]: At program point L685(lines 685 691) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-28 22:52:27,439 INFO L853 garLoopResultBuilder]: At program point L685-1(lines 685 691) the Hoare annotation is: false [2021-10-28 22:52:27,439 INFO L853 garLoopResultBuilder]: At program point L685-2(lines 685 691) the Hoare annotation is: false [2021-10-28 22:52:27,440 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 78) no Hoare annotation was computed. [2021-10-28 22:52:27,440 INFO L857 garLoopResultBuilder]: For program point L900(line 900) no Hoare annotation was computed. [2021-10-28 22:52:27,440 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 882) no Hoare annotation was computed. [2021-10-28 22:52:27,440 INFO L857 garLoopResultBuilder]: For program point L900-1(line 900) no Hoare annotation was computed. [2021-10-28 22:52:27,440 INFO L857 garLoopResultBuilder]: For program point L900-2(line 900) no Hoare annotation was computed. [2021-10-28 22:52:27,440 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 22:52:27,440 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 194) no Hoare annotation was computed. [2021-10-28 22:52:27,440 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 678 684) no Hoare annotation was computed. [2021-10-28 22:52:27,441 INFO L857 garLoopResultBuilder]: For program point L653(lines 653 659) no Hoare annotation was computed. [2021-10-28 22:52:27,441 INFO L857 garLoopResultBuilder]: For program point L653-2(lines 653 659) no Hoare annotation was computed. [2021-10-28 22:52:27,441 INFO L857 garLoopResultBuilder]: For program point L653-4(lines 653 659) no Hoare annotation was computed. [2021-10-28 22:52:27,441 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 900) no Hoare annotation was computed. [2021-10-28 22:52:27,441 INFO L853 garLoopResultBuilder]: At program point L754(lines 747 757) the Hoare annotation is: false [2021-10-28 22:52:27,441 INFO L853 garLoopResultBuilder]: At program point L754-1(lines 747 757) the Hoare annotation is: false [2021-10-28 22:52:27,441 INFO L853 garLoopResultBuilder]: At program point L754-2(lines 747 757) the Hoare annotation is: false [2021-10-28 22:52:27,442 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 266) no Hoare annotation was computed. [2021-10-28 22:52:27,442 INFO L860 garLoopResultBuilder]: At program point L259-1(lines 259 266) the Hoare annotation is: true [2021-10-28 22:52:27,442 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 22:52:27,442 INFO L853 garLoopResultBuilder]: At program point L887(lines 836 888) the Hoare annotation is: false [2021-10-28 22:52:27,442 INFO L857 garLoopResultBuilder]: For program point L838(lines 837 886) no Hoare annotation was computed. [2021-10-28 22:52:27,442 INFO L853 garLoopResultBuilder]: At program point L161(lines 1 903) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 22:52:27,443 INFO L857 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2021-10-28 22:52:27,443 INFO L857 garLoopResultBuilder]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2021-10-28 22:52:27,443 INFO L857 garLoopResultBuilder]: For program point L62-6(lines 62 66) no Hoare annotation was computed. [2021-10-28 22:52:27,443 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 843) no Hoare annotation was computed. [2021-10-28 22:52:27,443 INFO L857 garLoopResultBuilder]: For program point L807(lines 807 813) no Hoare annotation was computed. [2021-10-28 22:52:27,443 INFO L853 garLoopResultBuilder]: At program point L807-1(lines 807 813) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-28 22:52:27,443 INFO L857 garLoopResultBuilder]: For program point L857(lines 857 863) no Hoare annotation was computed. [2021-10-28 22:52:27,444 INFO L853 garLoopResultBuilder]: At program point L857-1(lines 857 863) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (.cse4 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 .cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4 0))) (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-10-28 22:52:27,444 INFO L853 garLoopResultBuilder]: At program point L131(lines 126 134) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-28 22:52:27,444 INFO L853 garLoopResultBuilder]: At program point L131-1(lines 126 134) the Hoare annotation is: false [2021-10-28 22:52:27,444 INFO L853 garLoopResultBuilder]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2021-10-28 22:52:27,444 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 22:52:27,444 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 900) no Hoare annotation was computed. [2021-10-28 22:52:27,445 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 881) no Hoare annotation was computed. [2021-10-28 22:52:27,445 INFO L853 garLoopResultBuilder]: At program point L875-1(lines 678 684) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-28 22:52:27,445 INFO L857 garLoopResultBuilder]: For program point L710(lines 710 727) no Hoare annotation was computed. [2021-10-28 22:52:27,445 INFO L857 garLoopResultBuilder]: For program point L710-1(lines 710 727) no Hoare annotation was computed. [2021-10-28 22:52:27,445 INFO L857 garLoopResultBuilder]: For program point L710-2(lines 710 727) no Hoare annotation was computed. [2021-10-28 22:52:27,445 INFO L853 garLoopResultBuilder]: At program point L99(lines 94 102) the Hoare annotation is: false [2021-10-28 22:52:27,445 INFO L853 garLoopResultBuilder]: At program point L99-1(lines 94 102) the Hoare annotation is: false [2021-10-28 22:52:27,446 INFO L853 garLoopResultBuilder]: At program point L99-2(lines 94 102) the Hoare annotation is: false [2021-10-28 22:52:27,446 INFO L853 garLoopResultBuilder]: At program point L678(lines 677 696) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-28 22:52:27,446 INFO L857 garLoopResultBuilder]: For program point L678-1(lines 678 684) no Hoare annotation was computed. [2021-10-28 22:52:27,446 INFO L853 garLoopResultBuilder]: At program point L678-2(lines 677 696) the Hoare annotation is: false [2021-10-28 22:52:27,446 INFO L853 garLoopResultBuilder]: At program point L678-3(lines 677 696) the Hoare annotation is: false [2021-10-28 22:52:27,451 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-28 22:52:27,455 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:52:27,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:52:27 BoogieIcfgContainer [2021-10-28 22:52:27,506 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:52:27,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:52:27,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:52:27,508 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:52:27,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:52:23" (3/4) ... [2021-10-28 22:52:27,511 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 22:52:27,535 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 22:52:27,536 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 22:52:27,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 22:52:27,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 22:52:27,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 22:52:27,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:52:27,540 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:52:27,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 22:52:27,577 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 22:52:27,578 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(tmp == 0))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && \result == 1) && !(tmp == 0)) [2021-10-28 22:52:27,579 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(tmp == 0))) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) [2021-10-28 22:52:27,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(tmp == 0))) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) [2021-10-28 22:52:27,581 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) [2021-10-28 22:52:27,582 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) [2021-10-28 22:52:27,583 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) [2021-10-28 22:52:27,584 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) [2021-10-28 22:52:27,586 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 1) && tmp == waterLevel) && waterLevel == 1) [2021-10-28 22:52:27,656 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:52:27,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:52:27,657 INFO L168 Benchmark]: Toolchain (without parser) took 5722.72 ms. Allocated memory was 102.8 MB in the beginning and 125.8 MB in the end (delta: 23.1 MB). Free memory was 58.1 MB in the beginning and 97.4 MB in the end (delta: -39.3 MB). Peak memory consumption was 46.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:27,658 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory is still 75.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:52:27,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.54 ms. Allocated memory is still 102.8 MB. Free memory was 57.9 MB in the beginning and 69.7 MB in the end (delta: -11.8 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:27,658 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.93 ms. Allocated memory is still 102.8 MB. Free memory was 69.7 MB in the beginning and 66.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:27,659 INFO L168 Benchmark]: Boogie Preprocessor took 51.98 ms. Allocated memory is still 102.8 MB. Free memory was 66.8 MB in the beginning and 64.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:27,659 INFO L168 Benchmark]: RCFGBuilder took 1216.46 ms. Allocated memory was 102.8 MB in the beginning and 125.8 MB in the end (delta: 23.1 MB). Free memory was 64.8 MB in the beginning and 91.8 MB in the end (delta: -27.0 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:27,660 INFO L168 Benchmark]: TraceAbstraction took 3637.48 ms. Allocated memory is still 125.8 MB. Free memory was 91.1 MB in the beginning and 39.6 MB in the end (delta: 51.5 MB). Peak memory consumption was 52.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:27,660 INFO L168 Benchmark]: Witness Printer took 149.09 ms. Allocated memory is still 125.8 MB. Free memory was 39.6 MB in the beginning and 97.4 MB in the end (delta: -57.9 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:27,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory is still 75.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 564.54 ms. Allocated memory is still 102.8 MB. Free memory was 57.9 MB in the beginning and 69.7 MB in the end (delta: -11.8 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.93 ms. Allocated memory is still 102.8 MB. Free memory was 69.7 MB in the beginning and 66.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.98 ms. Allocated memory is still 102.8 MB. Free memory was 66.8 MB in the beginning and 64.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1216.46 ms. Allocated memory was 102.8 MB in the beginning and 125.8 MB in the end (delta: 23.1 MB). Free memory was 64.8 MB in the beginning and 91.8 MB in the end (delta: -27.0 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3637.48 ms. Allocated memory is still 125.8 MB. Free memory was 91.1 MB in the beginning and 39.6 MB in the end (delta: 51.5 MB). Peak memory consumption was 52.2 MB. Max. memory is 16.1 GB. * Witness Printer took 149.09 ms. Allocated memory is still 125.8 MB. Free memory was 39.6 MB in the beginning and 97.4 MB in the end (delta: -57.9 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * 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: 900]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 900]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 900]: 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 1 procedures, 71 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 336 SDtfs, 590 SDslu, 433 SDs, 0 SdLazy, 94 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=4, InterpolantAutomatonStates: 31, 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, 6 MinimizatonAttempts, 145 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 64 NumberOfFragments, 427 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1196 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 149 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 0 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 25/30 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 3 specifications checked. All of them hold - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 847]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(tmp == 0))) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(tmp == 0))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && \result == 1) && !(tmp == 0)) - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 1) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(tmp == 0))) || ((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 22:52:27,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be720326-d88f-4e91-b1a3-01ec796f956a/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...