./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.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_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/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_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/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_50e69d4a-5f4f-492c-96ae-a20c61869e5e/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 5b8d1d7ceb68ac6e6630901277fde5f28b3f6a5d2baa824d9bcd68a03d4bbbff ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 23:08:15,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:08:15,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:08:16,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:08:16,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:08:16,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:08:16,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:08:16,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:08:16,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:08:16,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:08:16,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:08:16,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:08:16,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:08:16,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:08:16,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:08:16,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:08:16,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:08:16,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:08:16,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:08:16,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:08:16,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:08:16,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:08:16,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:08:16,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:08:16,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:08:16,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:08:16,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:08:16,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:08:16,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:08:16,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:08:16,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:08:16,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:08:16,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:08:16,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:08:16,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:08:16,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:08:16,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:08:16,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:08:16,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:08:16,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:08:16,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:08:16,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:08:16,165 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:08:16,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:08:16,166 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:08:16,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:08:16,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:08:16,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:08:16,169 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:08:16,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:08:16,170 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:08:16,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:08:16,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:08:16,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:08:16,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:08:16,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:08:16,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:08:16,172 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:08:16,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:08:16,172 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:08:16,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:08:16,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:08:16,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:08:16,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:08:16,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:08:16,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:08:16,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:08:16,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:08:16,175 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:08:16,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:08:16,176 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:08:16,176 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:08:16,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:08:16,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:08:16,177 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_50e69d4a-5f4f-492c-96ae-a20c61869e5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b8d1d7ceb68ac6e6630901277fde5f28b3f6a5d2baa824d9bcd68a03d4bbbff [2021-10-28 23:08:16,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:08:16,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:08:16,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:08:16,598 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:08:16,599 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:08:16,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2021-10-28 23:08:16,695 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/data/8aa4da504/768eab6cc478496f9395eea2c03633c5/FLAG581349a23 [2021-10-28 23:08:17,452 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:08:17,454 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2021-10-28 23:08:17,478 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/data/8aa4da504/768eab6cc478496f9395eea2c03633c5/FLAG581349a23 [2021-10-28 23:08:17,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/data/8aa4da504/768eab6cc478496f9395eea2c03633c5 [2021-10-28 23:08:17,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:08:17,673 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:08:17,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:08:17,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:08:17,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:08:17,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:08:17" (1/1) ... [2021-10-28 23:08:17,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de87fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:17, skipping insertion in model container [2021-10-28 23:08:17,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:08:17" (1/1) ... [2021-10-28 23:08:17,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:08:17,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:08:18,209 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_50e69d4a-5f4f-492c-96ae-a20c61869e5e/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c[16697,16710] [2021-10-28 23:08:18,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:08:18,227 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:08:18,356 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_50e69d4a-5f4f-492c-96ae-a20c61869e5e/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c[16697,16710] [2021-10-28 23:08:18,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:08:18,386 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:08:18,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:18 WrapperNode [2021-10-28 23:08:18,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:08:18,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:08:18,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:08:18,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:08:18,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:18" (1/1) ... [2021-10-28 23:08:18,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:18" (1/1) ... [2021-10-28 23:08:18,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:08:18,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:08:18,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:08:18,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:08:18,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:18" (1/1) ... [2021-10-28 23:08:18,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:18" (1/1) ... [2021-10-28 23:08:18,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:18" (1/1) ... [2021-10-28 23:08:18,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:18" (1/1) ... [2021-10-28 23:08:18,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:18" (1/1) ... [2021-10-28 23:08:18,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:18" (1/1) ... [2021-10-28 23:08:18,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:18" (1/1) ... [2021-10-28 23:08:18,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:08:18,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:08:18,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:08:18,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:08:18,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:18" (1/1) ... [2021-10-28 23:08:18,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:08:18,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:08:18,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:08:18,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:08:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:08:18,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:08:18,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:08:18,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:08:19,630 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:08:19,631 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-28 23:08:19,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:08:19 BoogieIcfgContainer [2021-10-28 23:08:19,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:08:19,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:08:19,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:08:19,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:08:19,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:08:17" (1/3) ... [2021-10-28 23:08:19,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cacaa42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:08:19, skipping insertion in model container [2021-10-28 23:08:19,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:08:18" (2/3) ... [2021-10-28 23:08:19,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cacaa42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:08:19, skipping insertion in model container [2021-10-28 23:08:19,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:08:19" (3/3) ... [2021-10-28 23:08:19,654 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2021-10-28 23:08:19,661 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:08:19,662 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:08:19,728 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:08:19,736 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 23:08:19,736 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:08:19,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 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 23:08:19,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 23:08:19,791 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:08:19,791 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:08:19,792 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 23:08:19,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:08:19,800 INFO L85 PathProgramCache]: Analyzing trace with hash 476294846, now seen corresponding path program 1 times [2021-10-28 23:08:19,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:08:19,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35856769] [2021-10-28 23:08:19,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:08:19,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:08:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:08:20,264 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 23:08:20,265 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:08:20,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35856769] [2021-10-28 23:08:20,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35856769] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:08:20,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:08:20,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:08:20,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520912801] [2021-10-28 23:08:20,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:08:20,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:08:20,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:08:20,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:08:20,305 INFO L87 Difference]: Start difference. First operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 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 23:08:20,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:08:20,353 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-28 23:08:20,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:08:20,355 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 23:08:20,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:08:20,370 INFO L225 Difference]: With dead ends: 112 [2021-10-28 23:08:20,370 INFO L226 Difference]: Without dead ends: 55 [2021-10-28 23:08:20,375 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 23:08:20,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-28 23:08:20,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-28 23:08:20,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 54 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 23:08:20,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-28 23:08:20,433 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-28 23:08:20,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:08:20,434 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-28 23:08:20,435 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 23:08:20,435 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-28 23:08:20,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 23:08:20,437 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:08:20,438 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 23:08:20,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:08:20,438 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 23:08:20,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:08:20,443 INFO L85 PathProgramCache]: Analyzing trace with hash -570462051, now seen corresponding path program 1 times [2021-10-28 23:08:20,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:08:20,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208550085] [2021-10-28 23:08:20,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:08:20,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:08:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:08:20,644 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 23:08:20,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:08:20,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208550085] [2021-10-28 23:08:20,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208550085] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:08:20,646 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:08:20,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:08:20,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053552800] [2021-10-28 23:08:20,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:08:20,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:08:20,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:08:20,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:08:20,653 INFO L87 Difference]: Start difference. First operand 55 states and 75 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 23:08:20,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:08:20,673 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-28 23:08:20,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:08:20,674 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 23:08:20,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:08:20,678 INFO L225 Difference]: With dead ends: 55 [2021-10-28 23:08:20,679 INFO L226 Difference]: Without dead ends: 29 [2021-10-28 23:08:20,680 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 23:08:20,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-28 23:08:20,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-28 23:08:20,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 28 states have internal predecessors, (40), 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 23:08:20,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-28 23:08:20,694 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-28 23:08:20,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:08:20,695 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-28 23:08:20,695 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 23:08:20,696 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-28 23:08:20,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 23:08:20,698 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:08:20,698 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 23:08:20,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:08:20,701 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 23:08:20,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:08:20,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1160602349, now seen corresponding path program 1 times [2021-10-28 23:08:20,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:08:20,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434041377] [2021-10-28 23:08:20,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:08:20,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:08:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:08:20,893 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 23:08:20,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:08:20,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434041377] [2021-10-28 23:08:20,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434041377] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:08:20,895 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:08:20,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:08:20,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693768487] [2021-10-28 23:08:20,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:08:20,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:08:20,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:08:20,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:08:20,912 INFO L87 Difference]: Start difference. First operand 29 states and 40 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 23:08:20,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:08:20,998 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2021-10-28 23:08:20,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:08:20,999 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 23:08:20,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:08:21,000 INFO L225 Difference]: With dead ends: 75 [2021-10-28 23:08:21,000 INFO L226 Difference]: Without dead ends: 52 [2021-10-28 23:08:21,001 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 23:08:21,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-28 23:08:21,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2021-10-28 23:08:21,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 47 states have internal predecessors, (69), 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 23:08:21,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-28 23:08:21,012 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-28 23:08:21,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:08:21,013 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-28 23:08:21,013 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 23:08:21,013 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-28 23:08:21,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 23:08:21,015 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:08:21,015 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 23:08:21,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:08:21,016 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 23:08:21,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:08:21,017 INFO L85 PathProgramCache]: Analyzing trace with hash 471853904, now seen corresponding path program 1 times [2021-10-28 23:08:21,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:08:21,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520496112] [2021-10-28 23:08:21,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:08:21,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:08:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:08:21,180 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 23:08:21,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:08:21,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520496112] [2021-10-28 23:08:21,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520496112] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:08:21,181 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:08:21,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 23:08:21,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660214701] [2021-10-28 23:08:21,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:08:21,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:08:21,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:08:21,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:08:21,183 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 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 23:08:21,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:08:21,641 INFO L93 Difference]: Finished difference Result 281 states and 435 transitions. [2021-10-28 23:08:21,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 23:08:21,642 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 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 23:08:21,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:08:21,647 INFO L225 Difference]: With dead ends: 281 [2021-10-28 23:08:21,648 INFO L226 Difference]: Without dead ends: 239 [2021-10-28 23:08:21,649 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 23:08:21,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-10-28 23:08:21,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 118. [2021-10-28 23:08:21,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.4444444444444444) internal successors, (169), 117 states have internal predecessors, (169), 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 23:08:21,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 169 transitions. [2021-10-28 23:08:21,681 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 169 transitions. Word has length 22 [2021-10-28 23:08:21,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:08:21,682 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 169 transitions. [2021-10-28 23:08:21,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 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 23:08:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 169 transitions. [2021-10-28 23:08:21,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 23:08:21,685 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:08:21,685 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 23:08:21,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:08:21,686 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 23:08:21,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:08:21,687 INFO L85 PathProgramCache]: Analyzing trace with hash 378913563, now seen corresponding path program 1 times [2021-10-28 23:08:21,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:08:21,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451265324] [2021-10-28 23:08:21,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:08:21,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:08:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:08:21,748 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 23:08:21,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:08:21,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451265324] [2021-10-28 23:08:21,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451265324] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:08:21,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:08:21,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:08:21,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395570713] [2021-10-28 23:08:21,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:08:21,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:08:21,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:08:21,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:08:21,753 INFO L87 Difference]: Start difference. First operand 118 states and 169 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 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 23:08:21,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:08:21,775 INFO L93 Difference]: Finished difference Result 224 states and 322 transitions. [2021-10-28 23:08:21,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:08:21,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 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 23:08:21,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:08:21,778 INFO L225 Difference]: With dead ends: 224 [2021-10-28 23:08:21,778 INFO L226 Difference]: Without dead ends: 112 [2021-10-28 23:08:21,780 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 23:08:21,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-10-28 23:08:21,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2021-10-28 23:08:21,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.3513513513513513) internal successors, (150), 111 states have internal predecessors, (150), 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 23:08:21,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 150 transitions. [2021-10-28 23:08:21,803 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 150 transitions. Word has length 23 [2021-10-28 23:08:21,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:08:21,803 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 150 transitions. [2021-10-28 23:08:21,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 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 23:08:21,804 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 150 transitions. [2021-10-28 23:08:21,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-28 23:08:21,806 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:08:21,807 INFO L513 BasicCegarLoop]: trace histogram [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 23:08:21,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:08:21,808 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 23:08:21,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:08:21,809 INFO L85 PathProgramCache]: Analyzing trace with hash -699051511, now seen corresponding path program 1 times [2021-10-28 23:08:21,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:08:21,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150951047] [2021-10-28 23:08:21,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:08:21,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:08:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:08:21,954 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:08:21,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:08:21,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150951047] [2021-10-28 23:08:21,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150951047] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:08:21,958 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851432249] [2021-10-28 23:08:21,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:08:21,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:08:21,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:08:21,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:08:21,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:08:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:08:22,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:08:22,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:08:22,406 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:08:22,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851432249] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:08:22,407 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:08:22,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-28 23:08:22,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661985611] [2021-10-28 23:08:22,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:08:22,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:08:22,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:08:22,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:08:22,411 INFO L87 Difference]: Start difference. First operand 112 states and 150 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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 23:08:22,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:08:22,522 INFO L93 Difference]: Finished difference Result 146 states and 197 transitions. [2021-10-28 23:08:22,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:08:22,523 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2021-10-28 23:08:22,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:08:22,524 INFO L225 Difference]: With dead ends: 146 [2021-10-28 23:08:22,524 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:08:22,525 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 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 23:08:22,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:08:22,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:08:22,526 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 23:08:22,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:08:22,527 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-10-28 23:08:22,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:08:22,527 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:08:22,528 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 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 23:08:22,528 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:08:22,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:08:22,531 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:08:22,532 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:08:22,532 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:08:22,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-28 23:08:22,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:08:22,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:08:22,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,801 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,879 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:22,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:08:23,630 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 874) no Hoare annotation was computed. [2021-10-28 23:08:23,631 INFO L853 garLoopResultBuilder]: At program point L861-1(lines 1 877) 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)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (.cse6 (= ~waterLevel~0 1)) (.cse4 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~5 0)))) (or (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse5 .cse6 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse4))) [2021-10-28 23:08:23,631 INFO L857 garLoopResultBuilder]: For program point L861-2(lines 861 874) no Hoare annotation was computed. [2021-10-28 23:08:23,632 INFO L853 garLoopResultBuilder]: At program point L861-3(lines 1 877) the Hoare annotation is: false [2021-10-28 23:08:23,632 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 848) no Hoare annotation was computed. [2021-10-28 23:08:23,632 INFO L857 garLoopResultBuilder]: For program point L861-4(lines 861 874) no Hoare annotation was computed. [2021-10-28 23:08:23,632 INFO L853 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 23:08:23,632 INFO L853 garLoopResultBuilder]: At program point L861-5(lines 1 877) the Hoare annotation is: false [2021-10-28 23:08:23,632 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 464) no Hoare annotation was computed. [2021-10-28 23:08:23,633 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:08:23,633 INFO L853 garLoopResultBuilder]: At program point L268(lines 263 271) 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 23:08:23,633 INFO L853 garLoopResultBuilder]: At program point L268-1(lines 263 271) the Hoare annotation is: false [2021-10-28 23:08:23,633 INFO L853 garLoopResultBuilder]: At program point L268-2(lines 263 271) the Hoare annotation is: false [2021-10-28 23:08:23,633 INFO L853 garLoopResultBuilder]: At program point L286(lines 285 304) 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 23:08:23,634 INFO L857 garLoopResultBuilder]: For program point L286-1(lines 286 292) no Hoare annotation was computed. [2021-10-28 23:08:23,634 INFO L853 garLoopResultBuilder]: At program point L286-2(lines 285 304) the Hoare annotation is: false [2021-10-28 23:08:23,634 INFO L853 garLoopResultBuilder]: At program point L286-3(lines 285 304) the Hoare annotation is: false [2021-10-28 23:08:23,634 INFO L857 garLoopResultBuilder]: For program point L848(line 848) no Hoare annotation was computed. [2021-10-28 23:08:23,634 INFO L857 garLoopResultBuilder]: For program point L848-1(line 848) no Hoare annotation was computed. [2021-10-28 23:08:23,634 INFO L857 garLoopResultBuilder]: For program point L848-2(line 848) no Hoare annotation was computed. [2021-10-28 23:08:23,634 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 871) no Hoare annotation was computed. [2021-10-28 23:08:23,635 INFO L857 garLoopResultBuilder]: For program point L865-2(lines 865 871) no Hoare annotation was computed. [2021-10-28 23:08:23,635 INFO L857 garLoopResultBuilder]: For program point L865-4(lines 865 871) no Hoare annotation was computed. [2021-10-28 23:08:23,635 INFO L853 garLoopResultBuilder]: At program point L469(lines 418 470) the Hoare annotation is: false [2021-10-28 23:08:23,635 INFO L857 garLoopResultBuilder]: For program point L420(lines 419 468) no Hoare annotation was computed. [2021-10-28 23:08:23,635 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-10-28 23:08:23,635 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-10-28 23:08:23,636 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 425) no Hoare annotation was computed. [2021-10-28 23:08:23,636 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:08:23,636 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 227) no Hoare annotation was computed. [2021-10-28 23:08:23,636 INFO L857 garLoopResultBuilder]: For program point L389(lines 389 395) no Hoare annotation was computed. [2021-10-28 23:08:23,636 INFO L853 garLoopResultBuilder]: At program point L389-1(lines 389 395) 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 23:08:23,636 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 445) no Hoare annotation was computed. [2021-10-28 23:08:23,637 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 848) no Hoare annotation was computed. [2021-10-28 23:08:23,637 INFO L853 garLoopResultBuilder]: At program point L439-1(lines 439 445) 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~5 0))) (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-10-28 23:08:23,637 INFO L853 garLoopResultBuilder]: At program point L176(lines 1 877) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 23:08:23,637 INFO L857 garLoopResultBuilder]: For program point L457(lines 457 463) no Hoare annotation was computed. [2021-10-28 23:08:23,637 INFO L853 garLoopResultBuilder]: At program point L457-1(lines 286 292) 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 23:08:23,638 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:08:23,638 INFO L853 garLoopResultBuilder]: At program point L293(lines 293 299) 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 23:08:23,638 INFO L853 garLoopResultBuilder]: At program point L293-1(lines 293 299) the Hoare annotation is: false [2021-10-28 23:08:23,638 INFO L853 garLoopResultBuilder]: At program point L293-2(lines 293 299) the Hoare annotation is: false [2021-10-28 23:08:23,638 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-28 23:08:23,638 INFO L857 garLoopResultBuilder]: For program point L211(lines 211 215) no Hoare annotation was computed. [2021-10-28 23:08:23,639 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-28 23:08:23,639 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) 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 23:08:23,639 INFO L853 garLoopResultBuilder]: At program point L345(lines 340 348) the Hoare annotation is: false [2021-10-28 23:08:23,639 INFO L853 garLoopResultBuilder]: At program point L345-1(lines 340 348) the Hoare annotation is: false [2021-10-28 23:08:23,639 INFO L853 garLoopResultBuilder]: At program point L345-2(lines 340 348) the Hoare annotation is: false [2021-10-28 23:08:23,639 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:08:23,640 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 848) no Hoare annotation was computed. [2021-10-28 23:08:23,640 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 435) no Hoare annotation was computed. [2021-10-28 23:08:23,640 INFO L853 garLoopResultBuilder]: At program point L429-1(lines 429 435) 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~5 0))) (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-10-28 23:08:23,640 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-28 23:08:23,640 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 286 292) no Hoare annotation was computed. [2021-10-28 23:08:23,640 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-10-28 23:08:23,641 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 203) no Hoare annotation was computed. [2021-10-28 23:08:23,641 INFO L857 garLoopResultBuilder]: For program point L199-3(lines 199 203) no Hoare annotation was computed. [2021-10-28 23:08:23,641 INFO L857 garLoopResultBuilder]: For program point L199-6(lines 199 203) no Hoare annotation was computed. [2021-10-28 23:08:23,645 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-28 23:08:23,646 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:08:23,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:08:23 BoogieIcfgContainer [2021-10-28 23:08:23,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:08:23,670 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:08:23,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:08:23,670 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:08:23,671 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:08:19" (3/4) ... [2021-10-28 23:08:23,674 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:08:23,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 23:08:23,704 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 23:08:23,705 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 23:08:23,705 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 23:08:23,708 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:08:23,709 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:08:23,709 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:08:23,742 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 23:08:23,742 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 23:08:23,743 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && \result == 1) && !(tmp == 0)) || (((((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)) [2021-10-28 23:08:23,745 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 23:08:23,746 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 23:08:23,746 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 23:08:23,747 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 23:08:23,747 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 23:08:23,748 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 23:08:23,750 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 23:08:23,818 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:08:23,819 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:08:23,821 INFO L168 Benchmark]: Toolchain (without parser) took 6146.16 ms. Allocated memory was 121.6 MB in the beginning and 178.3 MB in the end (delta: 56.6 MB). Free memory was 85.2 MB in the beginning and 108.9 MB in the end (delta: -23.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:23,821 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 121.6 MB. Free memory was 93.6 MB in the beginning and 93.5 MB in the end (delta: 29.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:08:23,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.24 ms. Allocated memory is still 121.6 MB. Free memory was 85.0 MB in the beginning and 88.8 MB in the end (delta: -3.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:23,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.07 ms. Allocated memory is still 121.6 MB. Free memory was 88.8 MB in the beginning and 86.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:23,823 INFO L168 Benchmark]: Boogie Preprocessor took 75.34 ms. Allocated memory is still 121.6 MB. Free memory was 86.1 MB in the beginning and 84.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:23,824 INFO L168 Benchmark]: RCFGBuilder took 1044.83 ms. Allocated memory is still 121.6 MB. Free memory was 84.6 MB in the beginning and 48.9 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:23,824 INFO L168 Benchmark]: TraceAbstraction took 4026.78 ms. Allocated memory was 121.6 MB in the beginning and 178.3 MB in the end (delta: 56.6 MB). Free memory was 48.4 MB in the beginning and 114.2 MB in the end (delta: -65.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:23,825 INFO L168 Benchmark]: Witness Printer took 148.76 ms. Allocated memory is still 178.3 MB. Free memory was 114.2 MB in the beginning and 108.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:08:23,829 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 121.6 MB. Free memory was 93.6 MB in the beginning and 93.5 MB in the end (delta: 29.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 711.24 ms. Allocated memory is still 121.6 MB. Free memory was 85.0 MB in the beginning and 88.8 MB in the end (delta: -3.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 123.07 ms. Allocated memory is still 121.6 MB. Free memory was 88.8 MB in the beginning and 86.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.34 ms. Allocated memory is still 121.6 MB. Free memory was 86.1 MB in the beginning and 84.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1044.83 ms. Allocated memory is still 121.6 MB. Free memory was 84.6 MB in the beginning and 48.9 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4026.78 ms. Allocated memory was 121.6 MB in the beginning and 178.3 MB in the end (delta: 56.6 MB). Free memory was 48.4 MB in the beginning and 114.2 MB in the end (delta: -65.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * Witness Printer took 148.76 ms. Allocated memory is still 178.3 MB. Free memory was 114.2 MB in the beginning and 108.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 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: 848]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 848]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 848]: 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, 59 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 292 SDtfs, 505 SDslu, 354 SDs, 0 SdLazy, 93 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred 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, 125 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 58 NumberOfFragments, 421 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1196 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 149 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 23/28 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: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: 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: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 439]: 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: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 285]: 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: 293]: 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: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && \result == 1) && !(tmp == 0)) || (((((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)) - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: 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: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 429]: 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: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: 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: 263]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:08:23,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e69d4a-5f4f-492c-96ae-a20c61869e5e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...