./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product38.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_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/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_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/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_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/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 c8e3613a57f37f194f1fe75086d0eb5e0d997c2a9b69c99903e0a1a10a2db5eb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:10:58,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:10:58,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:10:58,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:10:58,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:10:58,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:10:58,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:10:58,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:10:58,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:10:58,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:10:58,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:10:58,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:10:58,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:10:58,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:10:58,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:10:58,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:10:58,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:10:58,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:10:58,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:10:58,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:10:58,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:10:58,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:10:58,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:10:58,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:10:58,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:10:58,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:10:58,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:10:58,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:10:58,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:10:58,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:10:58,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:10:58,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:10:58,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:10:58,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:10:58,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:10:58,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:10:58,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:10:58,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:10:58,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:10:58,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:10:58,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:10:58,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:10:58,903 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:10:58,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:10:58,904 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:10:58,904 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:10:58,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:10:58,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:10:58,913 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:10:58,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:10:58,914 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:10:58,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:10:58,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:10:58,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:10:58,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:10:58,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:10:58,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:10:58,916 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:10:58,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:10:58,917 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:10:58,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:10:58,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:10:58,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:10:58,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:10:58,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:10:58,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:10:58,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:10:58,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:10:58,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:10:58,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:10:58,922 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:10:58,922 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:10:58,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:10:58,925 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:10:58,925 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_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8e3613a57f37f194f1fe75086d0eb5e0d997c2a9b69c99903e0a1a10a2db5eb [2021-10-28 23:10:59,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:10:59,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:10:59,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:10:59,272 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:10:59,274 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:10:59,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2021-10-28 23:10:59,366 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/data/e99a87c1b/457370ccfb2b48528f4b237968545142/FLAG35de35dfa [2021-10-28 23:11:00,008 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:11:00,008 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2021-10-28 23:11:00,033 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/data/e99a87c1b/457370ccfb2b48528f4b237968545142/FLAG35de35dfa [2021-10-28 23:11:00,303 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/data/e99a87c1b/457370ccfb2b48528f4b237968545142 [2021-10-28 23:11:00,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:11:00,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:11:00,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:11:00,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:11:00,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:11:00,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:11:00" (1/1) ... [2021-10-28 23:11:00,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5cb2bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:00, skipping insertion in model container [2021-10-28 23:11:00,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:11:00" (1/1) ... [2021-10-28 23:11:00,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:11:00,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:11:00,747 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_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c[15422,15435] [2021-10-28 23:11:00,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:11:00,780 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:11:00,879 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_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c[15422,15435] [2021-10-28 23:11:00,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:11:00,921 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:11:00,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:00 WrapperNode [2021-10-28 23:11:00,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:11:00,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:11:00,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:11:00,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:11:00,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:00" (1/1) ... [2021-10-28 23:11:00,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:00" (1/1) ... [2021-10-28 23:11:01,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:11:01,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:11:01,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:11:01,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:11:01,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:00" (1/1) ... [2021-10-28 23:11:01,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:00" (1/1) ... [2021-10-28 23:11:01,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:00" (1/1) ... [2021-10-28 23:11:01,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:00" (1/1) ... [2021-10-28 23:11:01,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:00" (1/1) ... [2021-10-28 23:11:01,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:00" (1/1) ... [2021-10-28 23:11:01,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:00" (1/1) ... [2021-10-28 23:11:01,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:11:01,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:11:01,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:11:01,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:11:01,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:00" (1/1) ... [2021-10-28 23:11:01,137 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:11:01,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:11:01,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:11:01,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:11:01,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:11:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:11:01,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:11:01,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:11:02,504 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:11:02,505 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-10-28 23:11:02,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:11:02 BoogieIcfgContainer [2021-10-28 23:11:02,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:11:02,510 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:11:02,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:11:02,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:11:02,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:11:00" (1/3) ... [2021-10-28 23:11:02,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4023d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:11:02, skipping insertion in model container [2021-10-28 23:11:02,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:11:00" (2/3) ... [2021-10-28 23:11:02,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b4023d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:11:02, skipping insertion in model container [2021-10-28 23:11:02,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:11:02" (3/3) ... [2021-10-28 23:11:02,525 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2021-10-28 23:11:02,535 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:11:02,536 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:11:02,614 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:11:02,628 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 23:11:02,629 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:11:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 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 23:11:02,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:11:02,666 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:02,667 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:02,667 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 23:11:02,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:02,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1400987872, now seen corresponding path program 1 times [2021-10-28 23:11:02,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:02,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008567919] [2021-10-28 23:11:02,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:02,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:03,096 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 23:11:03,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:03,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008567919] [2021-10-28 23:11:03,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008567919] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:03,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:03,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:11:03,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924056465] [2021-10-28 23:11:03,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:11:03,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:03,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:11:03,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:11:03,155 INFO L87 Difference]: Start difference. First operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 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 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 23:11:03,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:03,218 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-10-28 23:11:03,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:11:03,220 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-28 23:11:03,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:03,232 INFO L225 Difference]: With dead ends: 228 [2021-10-28 23:11:03,233 INFO L226 Difference]: Without dead ends: 113 [2021-10-28 23:11:03,237 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 23:11:03,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-28 23:11:03,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-28 23:11:03,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 110 states have (on average 1.5) internal successors, (165), 112 states have internal predecessors, (165), 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 23:11:03,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-10-28 23:11:03,284 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2021-10-28 23:11:03,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:03,285 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-10-28 23:11:03,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 23:11:03,286 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-10-28 23:11:03,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 23:11:03,287 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:03,288 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:03,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:11:03,289 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 23:11:03,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:03,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1982948671, now seen corresponding path program 1 times [2021-10-28 23:11:03,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:03,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657831565] [2021-10-28 23:11:03,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:03,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:03,403 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 23:11:03,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:03,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657831565] [2021-10-28 23:11:03,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657831565] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:03,405 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:03,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:11:03,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146426916] [2021-10-28 23:11:03,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:11:03,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:03,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:11:03,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:11:03,409 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 23:11:03,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:03,428 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-28 23:11:03,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:11:03,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-10-28 23:11:03,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:03,431 INFO L225 Difference]: With dead ends: 113 [2021-10-28 23:11:03,432 INFO L226 Difference]: Without dead ends: 47 [2021-10-28 23:11:03,434 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 23:11:03,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-28 23:11:03,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-28 23:11:03,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 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 23:11:03,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-28 23:11:03,450 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-10-28 23:11:03,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:03,452 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-28 23:11:03,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 23:11:03,453 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-28 23:11:03,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 23:11:03,456 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:03,457 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:03,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:11:03,458 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 23:11:03,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:03,467 INFO L85 PathProgramCache]: Analyzing trace with hash 131818950, now seen corresponding path program 1 times [2021-10-28 23:11:03,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:03,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510048262] [2021-10-28 23:11:03,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:03,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:03,642 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 23:11:03,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:03,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510048262] [2021-10-28 23:11:03,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510048262] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:03,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:03,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:11:03,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956013994] [2021-10-28 23:11:03,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:11:03,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:03,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:11:03,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:11:03,647 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:11:03,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:03,680 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-10-28 23:11:03,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:11:03,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-28 23:11:03,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:03,685 INFO L225 Difference]: With dead ends: 88 [2021-10-28 23:11:03,686 INFO L226 Difference]: Without dead ends: 47 [2021-10-28 23:11:03,687 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 23:11:03,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-28 23:11:03,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-28 23:11:03,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 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 23:11:03,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-28 23:11:03,698 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-10-28 23:11:03,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:03,699 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-28 23:11:03,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:11:03,701 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-28 23:11:03,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 23:11:03,703 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:03,703 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:03,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:11:03,704 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 23:11:03,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:03,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1351542097, now seen corresponding path program 1 times [2021-10-28 23:11:03,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:03,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717874554] [2021-10-28 23:11:03,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:03,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:03,831 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 23:11:03,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:03,832 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717874554] [2021-10-28 23:11:03,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717874554] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:03,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:03,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:11:03,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231266410] [2021-10-28 23:11:03,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:11:03,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:03,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:11:03,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:11:03,835 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 23:11:03,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:03,870 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2021-10-28 23:11:03,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:11:03,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 26 [2021-10-28 23:11:03,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:03,872 INFO L225 Difference]: With dead ends: 111 [2021-10-28 23:11:03,872 INFO L226 Difference]: Without dead ends: 70 [2021-10-28 23:11:03,873 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 23:11:03,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-10-28 23:11:03,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2021-10-28 23:11:03,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4328358208955223) internal successors, (96), 67 states have internal predecessors, (96), 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 23:11:03,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2021-10-28 23:11:03,883 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2021-10-28 23:11:03,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:03,884 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2021-10-28 23:11:03,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 23:11:03,884 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2021-10-28 23:11:03,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:11:03,886 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:03,886 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:03,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:11:03,887 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 23:11:03,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:03,887 INFO L85 PathProgramCache]: Analyzing trace with hash 201355136, now seen corresponding path program 1 times [2021-10-28 23:11:03,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:03,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129860400] [2021-10-28 23:11:03,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:03,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:04,029 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 23:11:04,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:04,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129860400] [2021-10-28 23:11:04,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129860400] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:04,030 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:04,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:11:04,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417299627] [2021-10-28 23:11:04,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:11:04,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:04,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:11:04,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:11:04,033 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 23:11:04,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:04,120 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2021-10-28 23:11:04,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:11:04,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 32 [2021-10-28 23:11:04,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:04,122 INFO L225 Difference]: With dead ends: 183 [2021-10-28 23:11:04,123 INFO L226 Difference]: Without dead ends: 121 [2021-10-28 23:11:04,124 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:11:04,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-28 23:11:04,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2021-10-28 23:11:04,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 73 states have internal predecessors, (102), 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 23:11:04,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2021-10-28 23:11:04,135 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2021-10-28 23:11:04,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:04,136 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2021-10-28 23:11:04,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 23:11:04,136 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2021-10-28 23:11:04,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:11:04,137 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:04,138 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:04,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:11:04,138 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 23:11:04,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:04,139 INFO L85 PathProgramCache]: Analyzing trace with hash -926040957, now seen corresponding path program 1 times [2021-10-28 23:11:04,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:04,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184894448] [2021-10-28 23:11:04,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:04,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:04,276 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 23:11:04,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:04,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184894448] [2021-10-28 23:11:04,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184894448] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:04,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:04,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:11:04,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872429904] [2021-10-28 23:11:04,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:11:04,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:04,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:11:04,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:11:04,288 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 23:11:04,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:04,462 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2021-10-28 23:11:04,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:11:04,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-10-28 23:11:04,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:04,480 INFO L225 Difference]: With dead ends: 373 [2021-10-28 23:11:04,485 INFO L226 Difference]: Without dead ends: 305 [2021-10-28 23:11:04,487 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 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 23:11:04,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-28 23:11:04,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2021-10-28 23:11:04,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.3666666666666667) internal successors, (164), 120 states have internal predecessors, (164), 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 23:11:04,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2021-10-28 23:11:04,523 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2021-10-28 23:11:04,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:04,524 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2021-10-28 23:11:04,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 23:11:04,524 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2021-10-28 23:11:04,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:11:04,526 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:04,526 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:04,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:11:04,527 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:11:04,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:04,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1997087487, now seen corresponding path program 1 times [2021-10-28 23:11:04,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:04,528 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160526606] [2021-10-28 23:11:04,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:04,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:04,623 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 23:11:04,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:04,624 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160526606] [2021-10-28 23:11:04,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160526606] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:04,624 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:04,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:11:04,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867255512] [2021-10-28 23:11:04,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:11:04,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:04,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:11:04,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:11:04,626 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 23:11:04,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:04,817 INFO L93 Difference]: Finished difference Result 250 states and 345 transitions. [2021-10-28 23:11:04,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:11:04,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 33 [2021-10-28 23:11:04,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:04,819 INFO L225 Difference]: With dead ends: 250 [2021-10-28 23:11:04,819 INFO L226 Difference]: Without dead ends: 182 [2021-10-28 23:11:04,820 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:11:04,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-10-28 23:11:04,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2021-10-28 23:11:04,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.3651685393258426) internal successors, (243), 178 states have internal predecessors, (243), 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 23:11:04,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2021-10-28 23:11:04,843 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2021-10-28 23:11:04,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:04,844 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2021-10-28 23:11:04,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 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 23:11:04,844 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2021-10-28 23:11:04,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:11:04,846 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:04,846 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:04,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:11:04,847 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:11:04,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:04,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1286762559, now seen corresponding path program 1 times [2021-10-28 23:11:04,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:04,848 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775371847] [2021-10-28 23:11:04,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:04,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:04,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:11:04,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:04,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775371847] [2021-10-28 23:11:04,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775371847] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:04,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:04,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:11:04,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860738830] [2021-10-28 23:11:04,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:11:04,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:04,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:11:04,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:11:04,922 INFO L87 Difference]: Start difference. First operand 179 states and 243 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 23:11:04,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:04,992 INFO L93 Difference]: Finished difference Result 422 states and 584 transitions. [2021-10-28 23:11:04,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:11:04,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2021-10-28 23:11:04,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:04,996 INFO L225 Difference]: With dead ends: 422 [2021-10-28 23:11:04,996 INFO L226 Difference]: Without dead ends: 295 [2021-10-28 23:11:04,997 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 23:11:04,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-10-28 23:11:05,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2021-10-28 23:11:05,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.3662790697674418) internal successors, (235), 172 states have internal predecessors, (235), 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 23:11:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2021-10-28 23:11:05,020 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 33 [2021-10-28 23:11:05,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:05,021 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2021-10-28 23:11:05,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 23:11:05,021 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2021-10-28 23:11:05,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:11:05,023 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:05,023 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:05,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:11:05,024 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:11:05,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:05,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1622643206, now seen corresponding path program 1 times [2021-10-28 23:11:05,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:05,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096732270] [2021-10-28 23:11:05,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:05,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:05,127 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 23:11:05,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:05,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096732270] [2021-10-28 23:11:05,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096732270] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:05,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:05,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:11:05,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794427043] [2021-10-28 23:11:05,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:11:05,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:05,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:11:05,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:11:05,131 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 23:11:05,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:05,335 INFO L93 Difference]: Finished difference Result 457 states and 634 transitions. [2021-10-28 23:11:05,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:11:05,336 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 33 [2021-10-28 23:11:05,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:05,339 INFO L225 Difference]: With dead ends: 457 [2021-10-28 23:11:05,339 INFO L226 Difference]: Without dead ends: 290 [2021-10-28 23:11:05,345 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 23:11:05,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-10-28 23:11:05,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 152. [2021-10-28 23:11:05,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3178807947019868) internal successors, (199), 151 states have internal predecessors, (199), 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 23:11:05,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 199 transitions. [2021-10-28 23:11:05,371 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 199 transitions. Word has length 33 [2021-10-28 23:11:05,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:05,373 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 199 transitions. [2021-10-28 23:11:05,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 23:11:05,374 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2021-10-28 23:11:05,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:11:05,381 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:05,382 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:05,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:11:05,382 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:11:05,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:05,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1544927997, now seen corresponding path program 1 times [2021-10-28 23:11:05,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:05,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160303043] [2021-10-28 23:11:05,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:05,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:05,492 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 23:11:05,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:05,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160303043] [2021-10-28 23:11:05,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160303043] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:05,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:05,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:11:05,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531561954] [2021-10-28 23:11:05,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:11:05,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:05,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:11:05,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:11:05,497 INFO L87 Difference]: Start difference. First operand 152 states and 199 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 23:11:05,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:05,573 INFO L93 Difference]: Finished difference Result 385 states and 513 transitions. [2021-10-28 23:11:05,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:11:05,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 33 [2021-10-28 23:11:05,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:05,576 INFO L225 Difference]: With dead ends: 385 [2021-10-28 23:11:05,576 INFO L226 Difference]: Without dead ends: 239 [2021-10-28 23:11:05,577 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:11:05,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-10-28 23:11:05,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 140. [2021-10-28 23:11:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.2949640287769784) internal successors, (180), 139 states have internal predecessors, (180), 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 23:11:05,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2021-10-28 23:11:05,596 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 180 transitions. Word has length 33 [2021-10-28 23:11:05,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:05,596 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 180 transitions. [2021-10-28 23:11:05,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 23:11:05,597 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2021-10-28 23:11:05,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-28 23:11:05,600 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:05,601 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:05,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:11:05,601 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:11:05,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:05,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1506342504, now seen corresponding path program 1 times [2021-10-28 23:11:05,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:05,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513281223] [2021-10-28 23:11:05,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:05,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:05,681 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 23:11:05,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:05,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513281223] [2021-10-28 23:11:05,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513281223] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:05,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:05,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:11:05,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417056651] [2021-10-28 23:11:05,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:11:05,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:05,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:11:05,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:11:05,686 INFO L87 Difference]: Start difference. First operand 140 states and 180 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 23:11:05,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:05,772 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2021-10-28 23:11:05,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:11:05,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 50 [2021-10-28 23:11:05,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:05,775 INFO L225 Difference]: With dead ends: 281 [2021-10-28 23:11:05,775 INFO L226 Difference]: Without dead ends: 173 [2021-10-28 23:11:05,776 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:11:05,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-28 23:11:05,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 124. [2021-10-28 23:11:05,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.3008130081300813) internal successors, (160), 123 states have internal predecessors, (160), 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 23:11:05,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2021-10-28 23:11:05,794 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 50 [2021-10-28 23:11:05,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:05,794 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2021-10-28 23:11:05,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 23:11:05,795 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2021-10-28 23:11:05,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-28 23:11:05,796 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:05,796 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:05,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:11:05,797 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:11:05,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:05,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1478931236, now seen corresponding path program 1 times [2021-10-28 23:11:05,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:05,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396282810] [2021-10-28 23:11:05,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:05,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:05,904 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 23:11:05,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:05,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396282810] [2021-10-28 23:11:05,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396282810] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:05,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:05,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:11:05,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389463019] [2021-10-28 23:11:05,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:11:05,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:05,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:11:05,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:11:05,909 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 23:11:06,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:06,070 INFO L93 Difference]: Finished difference Result 633 states and 812 transitions. [2021-10-28 23:11:06,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:11:06,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 51 [2021-10-28 23:11:06,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:06,075 INFO L225 Difference]: With dead ends: 633 [2021-10-28 23:11:06,075 INFO L226 Difference]: Without dead ends: 515 [2021-10-28 23:11:06,076 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:11:06,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-10-28 23:11:06,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 240. [2021-10-28 23:11:06,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.2719665271966527) internal successors, (304), 239 states have internal predecessors, (304), 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 23:11:06,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 304 transitions. [2021-10-28 23:11:06,129 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 304 transitions. Word has length 51 [2021-10-28 23:11:06,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:06,130 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 304 transitions. [2021-10-28 23:11:06,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 23:11:06,130 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 304 transitions. [2021-10-28 23:11:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-28 23:11:06,131 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:06,131 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:06,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:11:06,132 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:11:06,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:06,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1296612962, now seen corresponding path program 1 times [2021-10-28 23:11:06,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:06,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278562630] [2021-10-28 23:11:06,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:06,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:06,205 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:11:06,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:06,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278562630] [2021-10-28 23:11:06,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278562630] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:11:06,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126851783] [2021-10-28 23:11:06,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:06,206 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:11:06,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:11:06,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:11:06,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:11:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:06,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:11:06,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:11:06,711 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:11:06,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126851783] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:11:06,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:11:06,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-28 23:11:06,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621593739] [2021-10-28 23:11:06,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:11:06,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:06,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:11:06,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:11:06,714 INFO L87 Difference]: Start difference. First operand 240 states and 304 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 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 23:11:06,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:06,927 INFO L93 Difference]: Finished difference Result 580 states and 730 transitions. [2021-10-28 23:11:06,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:11:06,928 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 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 52 [2021-10-28 23:11:06,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:06,931 INFO L225 Difference]: With dead ends: 580 [2021-10-28 23:11:06,931 INFO L226 Difference]: Without dead ends: 346 [2021-10-28 23:11:06,932 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:11:06,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-10-28 23:11:06,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 226. [2021-10-28 23:11:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.231111111111111) internal successors, (277), 225 states have internal predecessors, (277), 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 23:11:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2021-10-28 23:11:06,968 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 52 [2021-10-28 23:11:06,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:06,969 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2021-10-28 23:11:06,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 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 23:11:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2021-10-28 23:11:06,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-28 23:11:06,970 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:06,970 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:07,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:11:07,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:11:07,184 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:11:07,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:07,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1589885263, now seen corresponding path program 1 times [2021-10-28 23:11:07,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:07,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192862410] [2021-10-28 23:11:07,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:07,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:07,272 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 23:11:07,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:07,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192862410] [2021-10-28 23:11:07,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192862410] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:07,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:07,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:11:07,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69099738] [2021-10-28 23:11:07,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:11:07,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:07,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:11:07,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:11:07,278 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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 23:11:07,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:07,458 INFO L93 Difference]: Finished difference Result 547 states and 678 transitions. [2021-10-28 23:11:07,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:11:07,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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 53 [2021-10-28 23:11:07,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:07,462 INFO L225 Difference]: With dead ends: 547 [2021-10-28 23:11:07,462 INFO L226 Difference]: Without dead ends: 377 [2021-10-28 23:11:07,463 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-28 23:11:07,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-10-28 23:11:07,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 226. [2021-10-28 23:11:07,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.2266666666666666) internal successors, (276), 225 states have internal predecessors, (276), 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 23:11:07,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 276 transitions. [2021-10-28 23:11:07,497 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 276 transitions. Word has length 53 [2021-10-28 23:11:07,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:07,498 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 276 transitions. [2021-10-28 23:11:07,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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 23:11:07,498 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 276 transitions. [2021-10-28 23:11:07,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-28 23:11:07,499 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:07,500 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:07,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 23:11:07,500 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:11:07,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:07,501 INFO L85 PathProgramCache]: Analyzing trace with hash -929354426, now seen corresponding path program 1 times [2021-10-28 23:11:07,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:07,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912297512] [2021-10-28 23:11:07,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:07,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:07,579 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-10-28 23:11:07,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:07,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912297512] [2021-10-28 23:11:07,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912297512] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:07,580 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:07,580 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:11:07,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914978432] [2021-10-28 23:11:07,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:11:07,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:07,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:11:07,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:11:07,588 INFO L87 Difference]: Start difference. First operand 226 states and 276 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 23:11:07,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:07,793 INFO L93 Difference]: Finished difference Result 863 states and 1072 transitions. [2021-10-28 23:11:07,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:11:07,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 74 [2021-10-28 23:11:07,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:07,795 INFO L225 Difference]: With dead ends: 863 [2021-10-28 23:11:07,795 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:11:07,799 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 23:11:07,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:11:07,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:11:07,800 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 23:11:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:11:07,800 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2021-10-28 23:11:07,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:07,800 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:11:07,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 23:11:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:11:07,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:11:07,804 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:11:07,805 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:11:07,805 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:11:07,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 23:11:07,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:11:07,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:07,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:07,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:07,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:07,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:07,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:07,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:07,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:07,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:08,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:08,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:08,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:09,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:09,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:09,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:09,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:09,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:09,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:09,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:09,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:09,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:09,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:09,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:09,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,248 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:10,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:11,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:11,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:18,524 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 725) no Hoare annotation was computed. [2021-10-28 23:11:18,525 INFO L857 garLoopResultBuilder]: For program point L234(lines 234 251) no Hoare annotation was computed. [2021-10-28 23:11:18,525 INFO L857 garLoopResultBuilder]: For program point L234-1(lines 234 251) no Hoare annotation was computed. [2021-10-28 23:11:18,527 INFO L857 garLoopResultBuilder]: For program point L234-2(lines 234 251) no Hoare annotation was computed. [2021-10-28 23:11:18,527 INFO L857 garLoopResultBuilder]: For program point L104(lines 103 150) no Hoare annotation was computed. [2021-10-28 23:11:18,527 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 950) no Hoare annotation was computed. [2021-10-28 23:11:18,536 INFO L857 garLoopResultBuilder]: For program point L930-2(lines 930 950) no Hoare annotation was computed. [2021-10-28 23:11:18,539 INFO L857 garLoopResultBuilder]: For program point L930-4(lines 930 950) no Hoare annotation was computed. [2021-10-28 23:11:18,539 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2021-10-28 23:11:18,539 INFO L857 garLoopResultBuilder]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2021-10-28 23:11:18,539 INFO L857 garLoopResultBuilder]: For program point L336-3(lines 336 340) no Hoare annotation was computed. [2021-10-28 23:11:18,540 INFO L857 garLoopResultBuilder]: For program point L336-5(lines 336 340) no Hoare annotation was computed. [2021-10-28 23:11:18,540 INFO L857 garLoopResultBuilder]: For program point L336-6(lines 336 340) no Hoare annotation was computed. [2021-10-28 23:11:18,540 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 109) no Hoare annotation was computed. [2021-10-28 23:11:18,540 INFO L857 garLoopResultBuilder]: For program point L336-8(lines 336 340) no Hoare annotation was computed. [2021-10-28 23:11:18,540 INFO L857 garLoopResultBuilder]: For program point L336-9(lines 336 340) no Hoare annotation was computed. [2021-10-28 23:11:18,540 INFO L857 garLoopResultBuilder]: For program point L336-11(lines 336 340) no Hoare annotation was computed. [2021-10-28 23:11:18,540 INFO L857 garLoopResultBuilder]: For program point L336-12(lines 336 340) no Hoare annotation was computed. [2021-10-28 23:11:18,540 INFO L857 garLoopResultBuilder]: For program point L336-14(lines 336 340) no Hoare annotation was computed. [2021-10-28 23:11:18,540 INFO L857 garLoopResultBuilder]: For program point L336-15(lines 336 340) no Hoare annotation was computed. [2021-10-28 23:11:18,540 INFO L857 garLoopResultBuilder]: For program point L336-17(lines 336 340) no Hoare annotation was computed. [2021-10-28 23:11:18,540 INFO L857 garLoopResultBuilder]: For program point L238(lines 238 246) no Hoare annotation was computed. [2021-10-28 23:11:18,540 INFO L857 garLoopResultBuilder]: For program point L238-1(lines 238 246) no Hoare annotation was computed. [2021-10-28 23:11:18,540 INFO L857 garLoopResultBuilder]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2021-10-28 23:11:18,541 INFO L857 garLoopResultBuilder]: For program point L833(lines 833 837) no Hoare annotation was computed. [2021-10-28 23:11:18,541 INFO L857 garLoopResultBuilder]: For program point L833-3(lines 833 837) no Hoare annotation was computed. [2021-10-28 23:11:18,541 INFO L857 garLoopResultBuilder]: For program point L833-6(lines 833 837) no Hoare annotation was computed. [2021-10-28 23:11:18,541 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 145) no Hoare annotation was computed. [2021-10-28 23:11:18,541 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 953) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:11:18,541 INFO L853 garLoopResultBuilder]: At program point L141-2(lines 176 182) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 1))) (let ((.cse8 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (or (and .cse5 .cse6 (= ~waterLevel~0 1) .cse9) (and .cse5 .cse6 (<= 2 ~waterLevel~0) .cse3 .cse9))) (.cse10 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse1 .cse7 .cse3 .cse8 .cse9) (and .cse6 .cse10 .cse7 .cse3) (and .cse5 .cse6 .cse0 .cse1 .cse3 .cse4 .cse8 .cse9) (and .cse0 .cse1 .cse7 .cse2 .cse3) (and .cse6 .cse10 .cse3 .cse4)))) [2021-10-28 23:11:18,541 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 725) no Hoare annotation was computed. [2021-10-28 23:11:18,541 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 225) no Hoare annotation was computed. [2021-10-28 23:11:18,541 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 208 225) no Hoare annotation was computed. [2021-10-28 23:11:18,541 INFO L857 garLoopResultBuilder]: For program point L208-2(lines 208 225) no Hoare annotation was computed. [2021-10-28 23:11:18,542 INFO L857 garLoopResultBuilder]: For program point L208-3(lines 208 225) no Hoare annotation was computed. [2021-10-28 23:11:18,542 INFO L857 garLoopResultBuilder]: For program point L208-4(lines 208 225) no Hoare annotation was computed. [2021-10-28 23:11:18,542 INFO L857 garLoopResultBuilder]: For program point L208-5(lines 208 225) no Hoare annotation was computed. [2021-10-28 23:11:18,542 INFO L853 garLoopResultBuilder]: At program point L902(lines 897 905) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse8 (= ~pumpRunning~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1) (<= 2 ~waterLevel~0) .cse6 .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_processEnvironment_~tmp~2 0) .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse8) (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse1 (= ~pumpRunning~0 0) .cse4 .cse5 (<= ~waterLevel~0 1) .cse6 .cse7))) [2021-10-28 23:11:18,542 INFO L853 garLoopResultBuilder]: At program point L902-1(lines 897 905) the Hoare annotation is: false [2021-10-28 23:11:18,542 INFO L853 garLoopResultBuilder]: At program point L902-2(lines 897 905) the Hoare annotation is: false [2021-10-28 23:11:18,542 INFO L853 garLoopResultBuilder]: At program point L176(lines 175 194) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse4 .cse6) (and .cse1 .cse8 .cse7 .cse4) (and .cse1 .cse8 .cse4 .cse5))) [2021-10-28 23:11:18,542 INFO L857 garLoopResultBuilder]: For program point L176-1(lines 176 182) no Hoare annotation was computed. [2021-10-28 23:11:18,542 INFO L853 garLoopResultBuilder]: At program point L176-2(lines 175 194) the Hoare annotation is: false [2021-10-28 23:11:18,542 INFO L853 garLoopResultBuilder]: At program point L176-3(lines 175 194) the Hoare annotation is: false [2021-10-28 23:11:18,543 INFO L857 garLoopResultBuilder]: For program point L936(lines 936 949) no Hoare annotation was computed. [2021-10-28 23:11:18,543 INFO L853 garLoopResultBuilder]: At program point L936-1(lines 1 953) the Hoare annotation is: (let ((.cse6 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (.cse7 (<= 2 ~waterLevel~0)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse9 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse16 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse11 (= ~pumpRunning~0 1)) (.cse13 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 1)) (.cse14 (= ~methaneLevelCritical~0 1)) (.cse15 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse12 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse8 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse1 .cse12 .cse4 .cse5 (<= ~waterLevel~0 1) .cse8 .cse9 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7 .cse13 .cse8 .cse14 .cse10 .cse15 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8 .cse16 .cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse13 .cse8 .cse14 .cse16 .cse15 .cse11) (and .cse1 .cse12 .cse13 .cse8 .cse14 .cse15) (and .cse1 .cse12 .cse5 .cse8 (= ~waterLevel~0 1)))) [2021-10-28 23:11:18,543 INFO L853 garLoopResultBuilder]: At program point L870(lines 865 873) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse5))) [2021-10-28 23:11:18,543 INFO L857 garLoopResultBuilder]: For program point L936-2(lines 936 949) no Hoare annotation was computed. [2021-10-28 23:11:18,543 INFO L853 garLoopResultBuilder]: At program point L870-1(lines 865 873) the Hoare annotation is: (let ((.cse8 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (.cse9 (<= 2 ~waterLevel~0)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse14 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse13 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ~waterLevel~0 1) .cse4) (and .cse5 .cse0 .cse6 .cse7 .cse8 .cse9 .cse4 .cse10 .cse11 .cse12 .cse13) (and .cse5 .cse0 .cse6 .cse7 .cse2 .cse3 .cse8 .cse9 .cse4 .cse11 .cse13) (and .cse5 .cse0 .cse6 .cse7 .cse2 .cse3 .cse4 .cse14 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse13) (and .cse5 .cse0 .cse6 .cse7 .cse4 .cse10 .cse14 .cse12 .cse13) (and .cse0 .cse1 .cse4 .cse10 .cse12))) [2021-10-28 23:11:18,543 INFO L853 garLoopResultBuilder]: At program point L936-3(lines 1 953) the Hoare annotation is: false [2021-10-28 23:11:18,543 INFO L853 garLoopResultBuilder]: At program point L870-2(lines 865 873) the Hoare annotation is: false [2021-10-28 23:11:18,543 INFO L857 garLoopResultBuilder]: For program point L936-4(lines 936 949) no Hoare annotation was computed. [2021-10-28 23:11:18,543 INFO L853 garLoopResultBuilder]: At program point L870-3(lines 865 873) the Hoare annotation is: false [2021-10-28 23:11:18,543 INFO L853 garLoopResultBuilder]: At program point L936-5(lines 1 953) the Hoare annotation is: false [2021-10-28 23:11:18,543 INFO L853 garLoopResultBuilder]: At program point L870-4(lines 865 873) the Hoare annotation is: false [2021-10-28 23:11:18,544 INFO L853 garLoopResultBuilder]: At program point L870-5(lines 865 873) the Hoare annotation is: false [2021-10-28 23:11:18,544 INFO L853 garLoopResultBuilder]: At program point L342(lines 327 345) the Hoare annotation is: false [2021-10-28 23:11:18,544 INFO L853 garLoopResultBuilder]: At program point L342-1(lines 327 345) the Hoare annotation is: (let ((.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse11 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse12 (<= 2 ~waterLevel~0)) (.cse0 (not .cse14)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse7 (= 1 ~systemActive~0)) (.cse13 (= ~methaneLevelCritical~0 1)) (.cse8 (not .cse9))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse3 .cse10 .cse11 .cse12 .cse7 .cse13 .cse14) (and .cse9 .cse1 .cse3 .cse10 .cse11 .cse4 .cse12 .cse7 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 .cse13 .cse8)))) [2021-10-28 23:11:18,544 INFO L853 garLoopResultBuilder]: At program point L342-2(lines 327 345) the Hoare annotation is: false [2021-10-28 23:11:18,544 INFO L853 garLoopResultBuilder]: At program point L342-3(lines 327 345) the Hoare annotation is: false [2021-10-28 23:11:18,544 INFO L853 garLoopResultBuilder]: At program point L342-4(lines 327 345) the Hoare annotation is: false [2021-10-28 23:11:18,544 INFO L853 garLoopResultBuilder]: At program point L342-5(lines 327 345) the Hoare annotation is: false [2021-10-28 23:11:18,544 INFO L853 garLoopResultBuilder]: At program point L278(lines 271 281) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse5) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse4 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse5))) [2021-10-28 23:11:18,544 INFO L853 garLoopResultBuilder]: At program point L278-1(lines 271 281) the Hoare annotation is: false [2021-10-28 23:11:18,544 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 220) no Hoare annotation was computed. [2021-10-28 23:11:18,544 INFO L853 garLoopResultBuilder]: At program point L278-2(lines 271 281) the Hoare annotation is: false [2021-10-28 23:11:18,545 INFO L857 garLoopResultBuilder]: For program point L212-1(lines 212 220) no Hoare annotation was computed. [2021-10-28 23:11:18,545 INFO L857 garLoopResultBuilder]: For program point L212-2(lines 212 220) no Hoare annotation was computed. [2021-10-28 23:11:18,545 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2021-10-28 23:11:18,545 INFO L857 garLoopResultBuilder]: For program point L212-3(lines 212 220) no Hoare annotation was computed. [2021-10-28 23:11:18,545 INFO L853 garLoopResultBuilder]: At program point L113-1(lines 113 119) the Hoare annotation is: (let ((.cse15 (= ~waterLevel~0 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse16 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse11 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse14 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse2 (or (and .cse7 .cse8 .cse15 .cse13) (and .cse7 .cse8 .cse16 .cse4 .cse13))) (.cse12 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse0 .cse1 .cse9 .cse10 .cse4 .cse11 .cse12 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse13) (and .cse7 .cse8 .cse0 .cse1 .cse3 .cse4 .cse5 .cse11 .cse6 .cse13) (and .cse8 .cse14 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse14 .cse10 .cse4 .cse15) (and (<= |ULTIMATE.start_getWaterLevel_#res| 1) .cse8 .cse14 .cse9 .cse10 .cse4 .cse12 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 1)) (and .cse8 .cse14 .cse10 .cse16 .cse4) (and .cse0 .cse1 .cse9 .cse10 .cse2 .cse4 .cse12)))) [2021-10-28 23:11:18,545 INFO L857 garLoopResultBuilder]: For program point L212-4(lines 212 220) no Hoare annotation was computed. [2021-10-28 23:11:18,545 INFO L857 garLoopResultBuilder]: For program point L212-5(lines 212 220) no Hoare annotation was computed. [2021-10-28 23:11:18,545 INFO L853 garLoopResultBuilder]: At program point L741-2(lines 741 755) the Hoare annotation is: false [2021-10-28 23:11:18,545 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2021-10-28 23:11:18,545 INFO L857 garLoopResultBuilder]: For program point L940-2(lines 940 946) no Hoare annotation was computed. [2021-10-28 23:11:18,545 INFO L857 garLoopResultBuilder]: For program point L940-4(lines 940 946) no Hoare annotation was computed. [2021-10-28 23:11:18,545 INFO L857 garLoopResultBuilder]: For program point L742(line 742) no Hoare annotation was computed. [2021-10-28 23:11:18,546 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:11:18,546 INFO L853 garLoopResultBuilder]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse10 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (= ~pumpRunning~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse12 (= ~pumpRunning~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse11 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse7 .cse10 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse7 .cse11 .cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse9) (and .cse1 .cse12 .cse4 (<= ~waterLevel~0 1) .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7 .cse11 .cse8 .cse9) (and .cse1 .cse12 .cse7 .cse11))) [2021-10-28 23:11:18,546 INFO L853 garLoopResultBuilder]: At program point L183-1(lines 183 189) the Hoare annotation is: false [2021-10-28 23:11:18,546 INFO L853 garLoopResultBuilder]: At program point L183-2(lines 183 189) the Hoare annotation is: false [2021-10-28 23:11:18,546 INFO L857 garLoopResultBuilder]: For program point L910(lines 910 916) no Hoare annotation was computed. [2021-10-28 23:11:18,546 INFO L857 garLoopResultBuilder]: For program point L910-1(lines 910 916) no Hoare annotation was computed. [2021-10-28 23:11:18,546 INFO L857 garLoopResultBuilder]: For program point L910-2(lines 910 916) no Hoare annotation was computed. [2021-10-28 23:11:18,546 INFO L857 garLoopResultBuilder]: For program point L910-3(lines 910 916) no Hoare annotation was computed. [2021-10-28 23:11:18,546 INFO L857 garLoopResultBuilder]: For program point L910-4(lines 910 916) no Hoare annotation was computed. [2021-10-28 23:11:18,546 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 749) no Hoare annotation was computed. [2021-10-28 23:11:18,546 INFO L857 garLoopResultBuilder]: For program point L910-5(lines 910 916) no Hoare annotation was computed. [2021-10-28 23:11:18,546 INFO L857 garLoopResultBuilder]: For program point L745-1(lines 176 182) no Hoare annotation was computed. [2021-10-28 23:11:18,547 INFO L853 garLoopResultBuilder]: At program point L151(lines 102 152) the Hoare annotation is: false [2021-10-28 23:11:18,547 INFO L857 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2021-10-28 23:11:18,547 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 819) no Hoare annotation was computed. [2021-10-28 23:11:18,547 INFO L860 garLoopResultBuilder]: At program point L812-1(lines 812 819) the Hoare annotation is: true [2021-10-28 23:11:18,547 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:11:18,547 INFO L853 garLoopResultBuilder]: At program point L287(lines 282 290) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse8 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse9 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 1) (<= 2 ~waterLevel~0) .cse6 .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ULTIMATE.start_processEnvironment_~tmp~2 0) .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse8 .cse9))) [2021-10-28 23:11:18,547 INFO L853 garLoopResultBuilder]: At program point L287-1(lines 282 290) the Hoare annotation is: false [2021-10-28 23:11:18,547 INFO L853 garLoopResultBuilder]: At program point L287-2(lines 282 290) the Hoare annotation is: false [2021-10-28 23:11:18,547 INFO L853 garLoopResultBuilder]: At program point L915(lines 906 919) the Hoare annotation is: false [2021-10-28 23:11:18,557 INFO L853 garLoopResultBuilder]: At program point L915-1(lines 906 919) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse7 (not .cse5)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse8 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5) (and .cse7 .cse0 .cse1 .cse6 .cse8 .cse3) (and .cse7 .cse0 .cse1 .cse8 .cse3 .cse4)))) [2021-10-28 23:11:18,557 INFO L853 garLoopResultBuilder]: At program point L915-2(lines 906 919) the Hoare annotation is: false [2021-10-28 23:11:18,557 INFO L853 garLoopResultBuilder]: At program point L915-3(lines 906 919) the Hoare annotation is: false [2021-10-28 23:11:18,557 INFO L853 garLoopResultBuilder]: At program point L915-4(lines 906 919) the Hoare annotation is: false [2021-10-28 23:11:18,558 INFO L853 garLoopResultBuilder]: At program point L915-5(lines 906 919) the Hoare annotation is: false [2021-10-28 23:11:18,558 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 129) no Hoare annotation was computed. [2021-10-28 23:11:18,558 INFO L853 garLoopResultBuilder]: At program point L123-1(lines 123 129) the Hoare annotation is: (let ((.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 1))) (let ((.cse8 (= ULTIMATE.start_processEnvironment_~tmp~2 0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 1)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (or (and .cse5 .cse6 (= ~waterLevel~0 1) .cse9) (and .cse5 .cse6 (<= 2 ~waterLevel~0) .cse3 .cse9))) (.cse10 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse1 .cse7 .cse3 .cse8 .cse9) (and .cse6 .cse10 .cse7 .cse3) (and .cse5 .cse6 .cse0 .cse1 .cse3 .cse4 .cse8 .cse9) (and .cse0 .cse1 .cse7 .cse2 .cse3) (and .cse6 .cse10 .cse3 .cse4)))) [2021-10-28 23:11:18,558 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:11:18,558 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:11:18,558 INFO L860 garLoopResultBuilder]: At program point L821(lines 802 824) the Hoare annotation is: true [2021-10-28 23:11:18,559 INFO L853 garLoopResultBuilder]: At program point L789(lines 785 791) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:11:18,559 INFO L857 garLoopResultBuilder]: For program point L857(lines 857 861) no Hoare annotation was computed. [2021-10-28 23:11:18,559 INFO L857 garLoopResultBuilder]: For program point L725(line 725) no Hoare annotation was computed. [2021-10-28 23:11:18,559 INFO L857 garLoopResultBuilder]: For program point L725-1(line 725) no Hoare annotation was computed. [2021-10-28 23:11:18,559 INFO L857 garLoopResultBuilder]: For program point L725-2(line 725) no Hoare annotation was computed. [2021-10-28 23:11:18,559 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:11:18,560 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 725) no Hoare annotation was computed. [2021-10-28 23:11:18,560 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 146) no Hoare annotation was computed. [2021-10-28 23:11:18,563 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:18,565 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:11:18,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:11:18 BoogieIcfgContainer [2021-10-28 23:11:18,608 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:11:18,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:11:18,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:11:18,609 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:11:18,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:11:02" (3/4) ... [2021-10-28 23:11:18,613 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:11:18,636 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 23:11:18,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 23:11:18,640 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 23:11:18,641 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 23:11:18,643 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:11:18,644 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:11:18,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:11:18,686 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 <= 1)) || (((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && \result == 1) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-10-28 23:11:18,686 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp___0 <= 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((((tmp___0 == 1 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && tmp == 0) [2021-10-28 23:11:18,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && methaneLevelCritical == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && pumpRunning == 1)) || ((((tmp___0 == 1 && \result == 1) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-28 23:11:18,688 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && methaneLevelCritical == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && pumpRunning == 1)) || ((((tmp___0 == 1 && \result == 1) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-28 23:11:18,688 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && pumpRunning == 1) || ((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-28 23:11:18,688 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 1) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-28 23:11:18,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && \result == 1) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-10-28 23:11:18,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && pumpRunning == 1) [2021-10-28 23:11:18,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && pumpRunning == 1) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 1) [2021-10-28 23:11:18,692 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-28 23:11:18,693 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) [2021-10-28 23:11:18,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) || ((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0)) || ((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || ((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && !(tmp == 0)) [2021-10-28 23:11:18,695 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) || (((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) [2021-10-28 23:11:18,756 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:11:18,757 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:11:18,759 INFO L168 Benchmark]: Toolchain (without parser) took 18447.57 ms. Allocated memory was 104.9 MB in the beginning and 283.1 MB in the end (delta: 178.3 MB). Free memory was 71.1 MB in the beginning and 128.7 MB in the end (delta: -57.6 MB). Peak memory consumption was 121.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:18,759 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 104.9 MB. Free memory is still 60.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:11:18,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.32 ms. Allocated memory is still 104.9 MB. Free memory was 70.9 MB in the beginning and 71.7 MB in the end (delta: -821.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:18,761 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.86 ms. Allocated memory is still 104.9 MB. Free memory was 71.7 MB in the beginning and 68.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:18,761 INFO L168 Benchmark]: Boogie Preprocessor took 53.19 ms. Allocated memory is still 104.9 MB. Free memory was 68.0 MB in the beginning and 65.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:18,762 INFO L168 Benchmark]: RCFGBuilder took 1381.97 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 65.3 MB in the beginning and 80.0 MB in the end (delta: -14.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:18,762 INFO L168 Benchmark]: TraceAbstraction took 16098.10 ms. Allocated memory was 134.2 MB in the beginning and 283.1 MB in the end (delta: 148.9 MB). Free memory was 79.4 MB in the beginning and 138.1 MB in the end (delta: -58.7 MB). Peak memory consumption was 115.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:18,763 INFO L168 Benchmark]: Witness Printer took 147.99 ms. Allocated memory is still 283.1 MB. Free memory was 138.1 MB in the beginning and 128.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:18,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 104.9 MB. Free memory is still 60.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 611.32 ms. Allocated memory is still 104.9 MB. Free memory was 70.9 MB in the beginning and 71.7 MB in the end (delta: -821.3 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 142.86 ms. Allocated memory is still 104.9 MB. Free memory was 71.7 MB in the beginning and 68.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.19 ms. Allocated memory is still 104.9 MB. Free memory was 68.0 MB in the beginning and 65.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1381.97 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 65.3 MB in the beginning and 80.0 MB in the end (delta: -14.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16098.10 ms. Allocated memory was 134.2 MB in the beginning and 283.1 MB in the end (delta: 148.9 MB). Free memory was 79.4 MB in the beginning and 138.1 MB in the end (delta: -58.7 MB). Peak memory consumption was 115.3 MB. Max. memory is 16.1 GB. * Witness Printer took 147.99 ms. Allocated memory is still 283.1 MB. Free memory was 138.1 MB in the beginning and 128.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 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: 725]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 725]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 725]: 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, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 15.9s, OverallIterations: 15, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1525 SDtfs, 2009 SDslu, 2416 SDs, 0 SdLazy, 371 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 153 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=12, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1190 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 328 NumberOfFragments, 1699 HoareAnnotationTreeSize, 46 FomulaSimplifications, 4376041 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1399915 FormulaSimplificationTreeSizeReductionInter, 7.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 1069 SizeOfPredicates, 3 NumberOfNonLiveVariables, 434 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 118/122 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: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) || ((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0)) || ((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || ((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && !(tmp == 0)) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && pumpRunning == 1) || ((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 <= 1)) || (((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && \result == 1) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && methaneLevelCritical == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && pumpRunning == 1)) || ((((tmp___0 == 1 && \result == 1) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: ((((((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp___0 <= 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((((tmp___0 == 1 && \result == 1) && \result == 0) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && tmp == 0) - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && \result == 1) && pumpRunning == 1)) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 1)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) && pumpRunning == 1) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1)) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || (((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && pumpRunning == 1) || ((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && pumpRunning == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: ((((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) || (((((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && tmp == 0) && \result == 0) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: ((((((((tmp___0 == 1 && \result == 1) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive) && methaneLevelCritical == 1) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && pumpRunning == 1)) || ((((tmp___0 == 1 && \result == 1) && methaneLevelCritical == 0) && ((((tmp == 0 && splverifierCounter == 0) && waterLevel == 1) && pumpRunning == 1) || ((((tmp == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && pumpRunning == 1))) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && pumpRunning == 1) || ((((((((tmp == 0 && splverifierCounter == 0) && tmp___0 == 1) && \result == 1) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 1) RESULT: Ultimate proved your program to be correct! [2021-10-28 23:11:18,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4c6ba0-8d51-4222-a5cd-8529b91fe419/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...