./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.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_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/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_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/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_1263e230-1887-45b1-b976-15e02746c9cb/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 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 00:03:11,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 00:03:11,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 00:03:11,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 00:03:11,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 00:03:11,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 00:03:11,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 00:03:11,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 00:03:11,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 00:03:11,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 00:03:11,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 00:03:11,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 00:03:11,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 00:03:11,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 00:03:11,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 00:03:11,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 00:03:11,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 00:03:11,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 00:03:11,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 00:03:11,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 00:03:11,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 00:03:11,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 00:03:11,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 00:03:11,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 00:03:11,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 00:03:11,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 00:03:11,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 00:03:11,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 00:03:11,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 00:03:11,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 00:03:11,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 00:03:11,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 00:03:11,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 00:03:11,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 00:03:11,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 00:03:11,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 00:03:11,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 00:03:11,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 00:03:11,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 00:03:11,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 00:03:11,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 00:03:11,809 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-29 00:03:11,865 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 00:03:11,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 00:03:11,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 00:03:11,874 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 00:03:11,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 00:03:11,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 00:03:11,877 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 00:03:11,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 00:03:11,878 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 00:03:11,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 00:03:11,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 00:03:11,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 00:03:11,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 00:03:11,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 00:03:11,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 00:03:11,881 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 00:03:11,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 00:03:11,881 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 00:03:11,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 00:03:11,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 00:03:11,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 00:03:11,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 00:03:11,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 00:03:11,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 00:03:11,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 00:03:11,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 00:03:11,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 00:03:11,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 00:03:11,885 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-29 00:03:11,887 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-29 00:03:11,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 00:03:11,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 00:03:11,888 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_1263e230-1887-45b1-b976-15e02746c9cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 [2021-10-29 00:03:12,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 00:03:12,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 00:03:12,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 00:03:12,277 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 00:03:12,278 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 00:03:12,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2021-10-29 00:03:12,368 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/data/1853c2732/93fd8b8180454fd3b7a6ab697a4782b7/FLAG151914434 [2021-10-29 00:03:13,034 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 00:03:13,035 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2021-10-29 00:03:13,049 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/data/1853c2732/93fd8b8180454fd3b7a6ab697a4782b7/FLAG151914434 [2021-10-29 00:03:13,317 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/data/1853c2732/93fd8b8180454fd3b7a6ab697a4782b7 [2021-10-29 00:03:13,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 00:03:13,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 00:03:13,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 00:03:13,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 00:03:13,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 00:03:13,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:03:13" (1/1) ... [2021-10-29 00:03:13,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717393b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:13, skipping insertion in model container [2021-10-29 00:03:13,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:03:13" (1/1) ... [2021-10-29 00:03:13,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 00:03:13,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:03:13,632 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_1263e230-1887-45b1-b976-15e02746c9cb/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2021-10-29 00:03:13,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:03:13,792 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 00:03:13,825 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_1263e230-1887-45b1-b976-15e02746c9cb/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2021-10-29 00:03:13,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:03:13,962 INFO L208 MainTranslator]: Completed translation [2021-10-29 00:03:13,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:13 WrapperNode [2021-10-29 00:03:13,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 00:03:13,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 00:03:13,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 00:03:13,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 00:03:13,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:13" (1/1) ... [2021-10-29 00:03:13,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:13" (1/1) ... [2021-10-29 00:03:14,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 00:03:14,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 00:03:14,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 00:03:14,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 00:03:14,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:13" (1/1) ... [2021-10-29 00:03:14,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:13" (1/1) ... [2021-10-29 00:03:14,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:13" (1/1) ... [2021-10-29 00:03:14,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:13" (1/1) ... [2021-10-29 00:03:14,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:13" (1/1) ... [2021-10-29 00:03:14,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:13" (1/1) ... [2021-10-29 00:03:14,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:13" (1/1) ... [2021-10-29 00:03:14,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 00:03:14,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 00:03:14,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 00:03:14,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 00:03:14,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:13" (1/1) ... [2021-10-29 00:03:14,159 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 00:03:14,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:03:14,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 00:03:14,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 00:03:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 00:03:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 00:03:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 00:03:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 00:03:15,498 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 00:03:15,498 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-29 00:03:15,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:03:15 BoogieIcfgContainer [2021-10-29 00:03:15,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 00:03:15,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 00:03:15,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 00:03:15,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 00:03:15,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:03:13" (1/3) ... [2021-10-29 00:03:15,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e7743b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:03:15, skipping insertion in model container [2021-10-29 00:03:15,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:03:13" (2/3) ... [2021-10-29 00:03:15,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e7743b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:03:15, skipping insertion in model container [2021-10-29 00:03:15,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:03:15" (3/3) ... [2021-10-29 00:03:15,513 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2021-10-29 00:03:15,522 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 00:03:15,523 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 00:03:15,607 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 00:03:15,618 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 [2021-10-29 00:03:15,618 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 00:03:15,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 137 states have (on average 1.5401459854014599) internal successors, (211), 140 states have internal predecessors, (211), 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) [2021-10-29 00:03:15,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 00:03:15,654 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:15,655 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:15,656 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:03:15,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:15,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1941296929, now seen corresponding path program 1 times [2021-10-29 00:03:15,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:15,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656653688] [2021-10-29 00:03:15,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:15,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:16,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:16,092 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:16,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656653688] [2021-10-29 00:03:16,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656653688] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:16,094 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:16,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 00:03:16,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065368626] [2021-10-29 00:03:16,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 00:03:16,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:16,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 00:03:16,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 00:03:16,147 INFO L87 Difference]: Start difference. First operand has 141 states, 137 states have (on average 1.5401459854014599) internal successors, (211), 140 states have internal predecessors, (211), 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) [2021-10-29 00:03:16,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:16,217 INFO L93 Difference]: Finished difference Result 275 states and 414 transitions. [2021-10-29 00:03:16,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 00:03:16,218 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 [2021-10-29 00:03:16,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:16,235 INFO L225 Difference]: With dead ends: 275 [2021-10-29 00:03:16,235 INFO L226 Difference]: Without dead ends: 137 [2021-10-29 00:03:16,241 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 [2021-10-29 00:03:16,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-29 00:03:16,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-10-29 00:03:16,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 134 states have (on average 1.4850746268656716) internal successors, (199), 136 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) [2021-10-29 00:03:16,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2021-10-29 00:03:16,326 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2021-10-29 00:03:16,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:16,327 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2021-10-29 00:03:16,327 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) [2021-10-29 00:03:16,328 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2021-10-29 00:03:16,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 00:03:16,329 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:16,330 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:16,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 00:03:16,330 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:03:16,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:16,332 INFO L85 PathProgramCache]: Analyzing trace with hash 530190787, now seen corresponding path program 1 times [2021-10-29 00:03:16,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:16,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297985151] [2021-10-29 00:03:16,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:16,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:16,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:16,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:16,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297985151] [2021-10-29 00:03:16,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297985151] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:16,467 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:16,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:03:16,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457142767] [2021-10-29 00:03:16,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:03:16,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:16,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:03:16,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:03:16,471 INFO L87 Difference]: Start difference. First operand 137 states and 199 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) [2021-10-29 00:03:16,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:16,515 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2021-10-29 00:03:16,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:03:16,516 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 [2021-10-29 00:03:16,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:16,517 INFO L225 Difference]: With dead ends: 137 [2021-10-29 00:03:16,519 INFO L226 Difference]: Without dead ends: 57 [2021-10-29 00:03:16,521 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 [2021-10-29 00:03:16,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-29 00:03:16,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-29 00:03:16,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 56 states have internal predecessors, (82), 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) [2021-10-29 00:03:16,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2021-10-29 00:03:16,531 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2021-10-29 00:03:16,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:16,531 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2021-10-29 00:03:16,532 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) [2021-10-29 00:03:16,532 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2021-10-29 00:03:16,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 00:03:16,534 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:16,535 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] [2021-10-29 00:03:16,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 00:03:16,537 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:03:16,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:16,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1901621695, now seen corresponding path program 1 times [2021-10-29 00:03:16,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:16,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146948683] [2021-10-29 00:03:16,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:16,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:16,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:16,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146948683] [2021-10-29 00:03:16,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146948683] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:16,724 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:16,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 00:03:16,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423943704] [2021-10-29 00:03:16,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:03:16,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:16,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:03:16,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:03:16,730 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:16,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:16,754 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2021-10-29 00:03:16,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:03:16,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-29 00:03:16,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:16,758 INFO L225 Difference]: With dead ends: 157 [2021-10-29 00:03:16,758 INFO L226 Difference]: Without dead ends: 107 [2021-10-29 00:03:16,759 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 [2021-10-29 00:03:16,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-29 00:03:16,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2021-10-29 00:03:16,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.4901960784313726) internal successors, (152), 102 states have internal predecessors, (152), 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) [2021-10-29 00:03:16,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2021-10-29 00:03:16,776 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 24 [2021-10-29 00:03:16,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:16,776 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2021-10-29 00:03:16,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:16,776 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2021-10-29 00:03:16,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 00:03:16,778 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:16,778 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] [2021-10-29 00:03:16,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 00:03:16,779 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:03:16,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:16,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1082042232, now seen corresponding path program 1 times [2021-10-29 00:03:16,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:16,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382699369] [2021-10-29 00:03:16,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:16,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:16,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:16,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:16,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382699369] [2021-10-29 00:03:16,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382699369] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:16,863 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:16,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 00:03:16,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847803608] [2021-10-29 00:03:16,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:03:16,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:16,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:03:16,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:03:16,866 INFO L87 Difference]: Start difference. First operand 103 states and 152 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) [2021-10-29 00:03:16,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:16,936 INFO L93 Difference]: Finished difference Result 242 states and 363 transitions. [2021-10-29 00:03:16,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:03:16,938 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 [2021-10-29 00:03:16,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:16,942 INFO L225 Difference]: With dead ends: 242 [2021-10-29 00:03:16,943 INFO L226 Difference]: Without dead ends: 146 [2021-10-29 00:03:16,947 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 [2021-10-29 00:03:16,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-10-29 00:03:16,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2021-10-29 00:03:16,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 143 states have (on average 1.4685314685314685) internal successors, (210), 143 states have internal predecessors, (210), 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) [2021-10-29 00:03:16,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2021-10-29 00:03:16,977 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 26 [2021-10-29 00:03:16,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:16,978 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2021-10-29 00:03:16,978 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) [2021-10-29 00:03:16,978 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2021-10-29 00:03:16,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 00:03:16,984 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:16,985 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] [2021-10-29 00:03:16,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-29 00:03:16,985 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:03:16,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:16,986 INFO L85 PathProgramCache]: Analyzing trace with hash -2071837624, now seen corresponding path program 1 times [2021-10-29 00:03:16,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:16,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864073811] [2021-10-29 00:03:16,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:16,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:17,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:17,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:17,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864073811] [2021-10-29 00:03:17,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864073811] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:17,096 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:17,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-29 00:03:17,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164899340] [2021-10-29 00:03:17,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 00:03:17,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:17,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 00:03:17,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:03:17,099 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-10-29 00:03:17,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:17,248 INFO L93 Difference]: Finished difference Result 756 states and 1115 transitions. [2021-10-29 00:03:17,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 00:03:17,249 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 27 [2021-10-29 00:03:17,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:17,254 INFO L225 Difference]: With dead ends: 756 [2021-10-29 00:03:17,254 INFO L226 Difference]: Without dead ends: 619 [2021-10-29 00:03:17,255 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 [2021-10-29 00:03:17,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2021-10-29 00:03:17,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 267. [2021-10-29 00:03:17,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 266 states have (on average 1.443609022556391) internal successors, (384), 266 states have internal predecessors, (384), 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) [2021-10-29 00:03:17,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 384 transitions. [2021-10-29 00:03:17,288 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 384 transitions. Word has length 27 [2021-10-29 00:03:17,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:17,289 INFO L470 AbstractCegarLoop]: Abstraction has 267 states and 384 transitions. [2021-10-29 00:03:17,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-10-29 00:03:17,290 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 384 transitions. [2021-10-29 00:03:17,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 00:03:17,291 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:17,291 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] [2021-10-29 00:03:17,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-29 00:03:17,292 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:03:17,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:17,292 INFO L85 PathProgramCache]: Analyzing trace with hash 788984512, now seen corresponding path program 1 times [2021-10-29 00:03:17,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:17,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411766996] [2021-10-29 00:03:17,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:17,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:17,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:17,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411766996] [2021-10-29 00:03:17,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411766996] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:17,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:17,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-29 00:03:17,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639433939] [2021-10-29 00:03:17,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 00:03:17,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:17,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 00:03:17,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:03:17,420 INFO L87 Difference]: Start difference. First operand 267 states and 384 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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) [2021-10-29 00:03:17,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:17,602 INFO L93 Difference]: Finished difference Result 1029 states and 1483 transitions. [2021-10-29 00:03:17,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 00:03:17,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 28 [2021-10-29 00:03:17,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:17,617 INFO L225 Difference]: With dead ends: 1029 [2021-10-29 00:03:17,617 INFO L226 Difference]: Without dead ends: 769 [2021-10-29 00:03:17,619 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 [2021-10-29 00:03:17,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2021-10-29 00:03:17,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 265. [2021-10-29 00:03:17,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 264 states have (on average 1.4318181818181819) internal successors, (378), 264 states have internal predecessors, (378), 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) [2021-10-29 00:03:17,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 378 transitions. [2021-10-29 00:03:17,679 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 378 transitions. Word has length 28 [2021-10-29 00:03:17,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:17,680 INFO L470 AbstractCegarLoop]: Abstraction has 265 states and 378 transitions. [2021-10-29 00:03:17,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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) [2021-10-29 00:03:17,681 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 378 transitions. [2021-10-29 00:03:17,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 00:03:17,685 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:17,685 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:17,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-29 00:03:17,686 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:03:17,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:17,687 INFO L85 PathProgramCache]: Analyzing trace with hash -782080822, now seen corresponding path program 1 times [2021-10-29 00:03:17,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:17,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902030475] [2021-10-29 00:03:17,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:17,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:17,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:17,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:17,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902030475] [2021-10-29 00:03:17,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902030475] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:17,808 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:17,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 00:03:17,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617472503] [2021-10-29 00:03:17,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 00:03:17,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:17,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 00:03:17,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:03:17,812 INFO L87 Difference]: Start difference. First operand 265 states and 378 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-10-29 00:03:17,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:17,988 INFO L93 Difference]: Finished difference Result 1031 states and 1462 transitions. [2021-10-29 00:03:17,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-29 00:03:17,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-10-29 00:03:17,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:17,997 INFO L225 Difference]: With dead ends: 1031 [2021-10-29 00:03:17,997 INFO L226 Difference]: Without dead ends: 773 [2021-10-29 00:03:17,999 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-29 00:03:18,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2021-10-29 00:03:18,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 281. [2021-10-29 00:03:18,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 280 states have (on average 1.4071428571428573) internal successors, (394), 280 states have internal predecessors, (394), 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) [2021-10-29 00:03:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2021-10-29 00:03:18,041 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 36 [2021-10-29 00:03:18,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:18,042 INFO L470 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2021-10-29 00:03:18,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-10-29 00:03:18,042 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2021-10-29 00:03:18,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 00:03:18,043 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:18,044 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, 1, 1, 1] [2021-10-29 00:03:18,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-29 00:03:18,044 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:03:18,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:18,045 INFO L85 PathProgramCache]: Analyzing trace with hash 229036428, now seen corresponding path program 1 times [2021-10-29 00:03:18,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:18,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294390951] [2021-10-29 00:03:18,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:18,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:18,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:18,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:18,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294390951] [2021-10-29 00:03:18,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294390951] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:18,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:18,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 00:03:18,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319679583] [2021-10-29 00:03:18,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 00:03:18,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:18,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 00:03:18,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:03:18,146 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-10-29 00:03:18,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:18,266 INFO L93 Difference]: Finished difference Result 735 states and 1021 transitions. [2021-10-29 00:03:18,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 00:03:18,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-10-29 00:03:18,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:18,272 INFO L225 Difference]: With dead ends: 735 [2021-10-29 00:03:18,272 INFO L226 Difference]: Without dead ends: 461 [2021-10-29 00:03:18,273 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 [2021-10-29 00:03:18,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2021-10-29 00:03:18,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 305. [2021-10-29 00:03:18,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 304 states have (on average 1.375) internal successors, (418), 304 states have internal predecessors, (418), 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) [2021-10-29 00:03:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 418 transitions. [2021-10-29 00:03:18,332 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 418 transitions. Word has length 36 [2021-10-29 00:03:18,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:18,334 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 418 transitions. [2021-10-29 00:03:18,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-10-29 00:03:18,334 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 418 transitions. [2021-10-29 00:03:18,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-29 00:03:18,335 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:18,336 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, 1, 1, 1] [2021-10-29 00:03:18,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-29 00:03:18,336 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:03:18,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:18,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1803149176, now seen corresponding path program 1 times [2021-10-29 00:03:18,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:18,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776095671] [2021-10-29 00:03:18,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:18,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:18,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:18,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:18,428 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776095671] [2021-10-29 00:03:18,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776095671] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:18,428 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:18,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 00:03:18,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974962717] [2021-10-29 00:03:18,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:03:18,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:18,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:03:18,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:03:18,437 INFO L87 Difference]: Start difference. First operand 305 states and 418 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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) [2021-10-29 00:03:18,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:18,499 INFO L93 Difference]: Finished difference Result 707 states and 963 transitions. [2021-10-29 00:03:18,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:03:18,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 36 [2021-10-29 00:03:18,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:18,503 INFO L225 Difference]: With dead ends: 707 [2021-10-29 00:03:18,504 INFO L226 Difference]: Without dead ends: 409 [2021-10-29 00:03:18,505 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 [2021-10-29 00:03:18,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2021-10-29 00:03:18,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2021-10-29 00:03:18,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 408 states have (on average 1.3333333333333333) internal successors, (544), 408 states have internal predecessors, (544), 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) [2021-10-29 00:03:18,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2021-10-29 00:03:18,551 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 36 [2021-10-29 00:03:18,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:18,553 INFO L470 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2021-10-29 00:03:18,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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) [2021-10-29 00:03:18,554 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2021-10-29 00:03:18,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-29 00:03:18,556 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:18,557 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, 1, 1, 1, 1] [2021-10-29 00:03:18,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-29 00:03:18,557 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:03:18,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:18,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1017339336, now seen corresponding path program 1 times [2021-10-29 00:03:18,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:18,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114845091] [2021-10-29 00:03:18,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:18,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:18,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:18,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:18,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114845091] [2021-10-29 00:03:18,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114845091] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:18,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:18,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-29 00:03:18,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48461822] [2021-10-29 00:03:18,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 00:03:18,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:18,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 00:03:18,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-29 00:03:18,668 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:19,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:19,014 INFO L93 Difference]: Finished difference Result 1257 states and 1667 transitions. [2021-10-29 00:03:19,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 00:03:19,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-29 00:03:19,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:19,022 INFO L225 Difference]: With dead ends: 1257 [2021-10-29 00:03:19,022 INFO L226 Difference]: Without dead ends: 855 [2021-10-29 00:03:19,023 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-29 00:03:19,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2021-10-29 00:03:19,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 409. [2021-10-29 00:03:19,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 408 states have (on average 1.3088235294117647) internal successors, (534), 408 states have internal predecessors, (534), 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) [2021-10-29 00:03:19,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 534 transitions. [2021-10-29 00:03:19,078 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 534 transitions. Word has length 37 [2021-10-29 00:03:19,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:19,079 INFO L470 AbstractCegarLoop]: Abstraction has 409 states and 534 transitions. [2021-10-29 00:03:19,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:19,079 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2021-10-29 00:03:19,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-29 00:03:19,081 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:19,082 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:19,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-29 00:03:19,083 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:03:19,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:19,083 INFO L85 PathProgramCache]: Analyzing trace with hash -2145133796, now seen corresponding path program 1 times [2021-10-29 00:03:19,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:19,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920232566] [2021-10-29 00:03:19,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:19,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 00:03:19,160 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:19,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920232566] [2021-10-29 00:03:19,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920232566] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:19,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:19,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:03:19,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382253320] [2021-10-29 00:03:19,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:03:19,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:19,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:03:19,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:03:19,164 INFO L87 Difference]: Start difference. First operand 409 states and 534 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 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) [2021-10-29 00:03:19,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:19,281 INFO L93 Difference]: Finished difference Result 497 states and 647 transitions. [2021-10-29 00:03:19,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:03:19,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 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 54 [2021-10-29 00:03:19,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:19,284 INFO L225 Difference]: With dead ends: 497 [2021-10-29 00:03:19,284 INFO L226 Difference]: Without dead ends: 204 [2021-10-29 00:03:19,285 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 [2021-10-29 00:03:19,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-10-29 00:03:19,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2021-10-29 00:03:19,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.2610837438423645) internal successors, (256), 203 states have internal predecessors, (256), 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) [2021-10-29 00:03:19,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 256 transitions. [2021-10-29 00:03:19,314 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 256 transitions. Word has length 54 [2021-10-29 00:03:19,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:19,314 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 256 transitions. [2021-10-29 00:03:19,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 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) [2021-10-29 00:03:19,315 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 256 transitions. [2021-10-29 00:03:19,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-29 00:03:19,316 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:19,316 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, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:19,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-29 00:03:19,317 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:03:19,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:19,318 INFO L85 PathProgramCache]: Analyzing trace with hash -9909279, now seen corresponding path program 1 times [2021-10-29 00:03:19,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:19,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580156282] [2021-10-29 00:03:19,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:19,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:19,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:19,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580156282] [2021-10-29 00:03:19,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580156282] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:19,378 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:19,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:03:19,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48340566] [2021-10-29 00:03:19,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:03:19,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:19,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:03:19,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:03:19,380 INFO L87 Difference]: Start difference. First operand 204 states and 256 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-10-29 00:03:19,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:19,438 INFO L93 Difference]: Finished difference Result 319 states and 405 transitions. [2021-10-29 00:03:19,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:03:19,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 58 [2021-10-29 00:03:19,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:19,442 INFO L225 Difference]: With dead ends: 319 [2021-10-29 00:03:19,442 INFO L226 Difference]: Without dead ends: 317 [2021-10-29 00:03:19,443 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 [2021-10-29 00:03:19,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-10-29 00:03:19,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 230. [2021-10-29 00:03:19,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 1.2838427947598254) internal successors, (294), 229 states have internal predecessors, (294), 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) [2021-10-29 00:03:19,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 294 transitions. [2021-10-29 00:03:19,489 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 294 transitions. Word has length 58 [2021-10-29 00:03:19,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:19,489 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 294 transitions. [2021-10-29 00:03:19,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-10-29 00:03:19,490 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 294 transitions. [2021-10-29 00:03:19,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-29 00:03:19,491 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:19,491 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:19,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-29 00:03:19,492 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:03:19,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:19,493 INFO L85 PathProgramCache]: Analyzing trace with hash -592648286, now seen corresponding path program 1 times [2021-10-29 00:03:19,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:19,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326775021] [2021-10-29 00:03:19,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:19,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:19,712 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-29 00:03:19,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:19,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326775021] [2021-10-29 00:03:19,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326775021] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:19,713 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:19,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 00:03:19,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715722968] [2021-10-29 00:03:19,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 00:03:19,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:19,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 00:03:19,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:03:19,716 INFO L87 Difference]: Start difference. First operand 230 states and 294 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:20,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:20,160 INFO L93 Difference]: Finished difference Result 697 states and 909 transitions. [2021-10-29 00:03:20,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 00:03:20,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-10-29 00:03:20,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:20,166 INFO L225 Difference]: With dead ends: 697 [2021-10-29 00:03:20,166 INFO L226 Difference]: Without dead ends: 524 [2021-10-29 00:03:20,167 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-29 00:03:20,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2021-10-29 00:03:20,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 319. [2021-10-29 00:03:20,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 318 states have (on average 1.2955974842767295) internal successors, (412), 318 states have internal predecessors, (412), 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) [2021-10-29 00:03:20,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 412 transitions. [2021-10-29 00:03:20,222 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 412 transitions. Word has length 82 [2021-10-29 00:03:20,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:20,223 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 412 transitions. [2021-10-29 00:03:20,223 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:20,223 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 412 transitions. [2021-10-29 00:03:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-29 00:03:20,225 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:20,225 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2021-10-29 00:03:20,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-29 00:03:20,226 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:03:20,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:20,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1613716640, now seen corresponding path program 1 times [2021-10-29 00:03:20,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:20,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030189280] [2021-10-29 00:03:20,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:20,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:20,334 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:20,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:20,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030189280] [2021-10-29 00:03:20,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030189280] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 00:03:20,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082889109] [2021-10-29 00:03:20,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:20,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 00:03:20,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:03:20,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 00:03:20,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-29 00:03:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:20,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 00:03:20,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:03:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:03:21,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082889109] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 00:03:21,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-29 00:03:21,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-10-29 00:03:21,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819665813] [2021-10-29 00:03:21,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 00:03:21,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:21,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 00:03:21,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 00:03:21,038 INFO L87 Difference]: Start difference. First operand 319 states and 412 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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) [2021-10-29 00:03:21,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:21,243 INFO L93 Difference]: Finished difference Result 982 states and 1270 transitions. [2021-10-29 00:03:21,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 00:03:21,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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 82 [2021-10-29 00:03:21,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:21,249 INFO L225 Difference]: With dead ends: 982 [2021-10-29 00:03:21,249 INFO L226 Difference]: Without dead ends: 667 [2021-10-29 00:03:21,250 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 00:03:21,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2021-10-29 00:03:21,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 645. [2021-10-29 00:03:21,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 644 states have (on average 1.2748447204968945) internal successors, (821), 644 states have internal predecessors, (821), 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) [2021-10-29 00:03:21,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 821 transitions. [2021-10-29 00:03:21,355 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 821 transitions. Word has length 82 [2021-10-29 00:03:21,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:21,355 INFO L470 AbstractCegarLoop]: Abstraction has 645 states and 821 transitions. [2021-10-29 00:03:21,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 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) [2021-10-29 00:03:21,356 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 821 transitions. [2021-10-29 00:03:21,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-10-29 00:03:21,365 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:21,365 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2021-10-29 00:03:21,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-29 00:03:21,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-29 00:03:21,592 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:03:21,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:21,592 INFO L85 PathProgramCache]: Analyzing trace with hash -987015072, now seen corresponding path program 1 times [2021-10-29 00:03:21,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:21,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887457321] [2021-10-29 00:03:21,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:21,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:21,701 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-29 00:03:21,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:21,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887457321] [2021-10-29 00:03:21,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887457321] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:03:21,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:03:21,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 00:03:21,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814283099] [2021-10-29 00:03:21,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 00:03:21,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:21,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 00:03:21,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:03:21,709 INFO L87 Difference]: Start difference. First operand 645 states and 821 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:21,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:21,817 INFO L93 Difference]: Finished difference Result 1102 states and 1384 transitions. [2021-10-29 00:03:21,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 00:03:21,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-10-29 00:03:21,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:21,821 INFO L225 Difference]: With dead ends: 1102 [2021-10-29 00:03:21,821 INFO L226 Difference]: Without dead ends: 464 [2021-10-29 00:03:21,824 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 [2021-10-29 00:03:21,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2021-10-29 00:03:21,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 274. [2021-10-29 00:03:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 273 states have (on average 1.2197802197802199) internal successors, (333), 273 states have internal predecessors, (333), 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) [2021-10-29 00:03:21,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 333 transitions. [2021-10-29 00:03:21,872 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 333 transitions. Word has length 82 [2021-10-29 00:03:21,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:21,872 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 333 transitions. [2021-10-29 00:03:21,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:03:21,873 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 333 transitions. [2021-10-29 00:03:21,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-10-29 00:03:21,874 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:03:21,875 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:21,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-29 00:03:21,875 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:03:21,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:03:21,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1917155008, now seen corresponding path program 2 times [2021-10-29 00:03:21,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:03:21,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509264445] [2021-10-29 00:03:21,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:03:21,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:03:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:03:22,014 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 00:03:22,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:03:22,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509264445] [2021-10-29 00:03:22,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509264445] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 00:03:22,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575811945] [2021-10-29 00:03:22,015 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-29 00:03:22,015 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-29 00:03:22,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:03:22,020 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-29 00:03:22,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-29 00:03:22,331 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-29 00:03:22,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-29 00:03:22,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 00:03:22,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 00:03:22,679 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 00:03:22,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575811945] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-29 00:03:22,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-29 00:03:22,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-10-29 00:03:22,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426796537] [2021-10-29 00:03:22,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 00:03:22,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:03:22,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 00:03:22,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-29 00:03:22,683 INFO L87 Difference]: Start difference. First operand 274 states and 333 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2021-10-29 00:03:22,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:03:22,941 INFO L93 Difference]: Finished difference Result 608 states and 738 transitions. [2021-10-29 00:03:22,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 00:03:22,941 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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 83 [2021-10-29 00:03:22,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:03:22,942 INFO L225 Difference]: With dead ends: 608 [2021-10-29 00:03:22,942 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 00:03:22,943 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-29 00:03:22,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 00:03:22,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 00:03:22,943 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) [2021-10-29 00:03:22,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 00:03:22,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2021-10-29 00:03:22,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:03:22,944 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 00:03:22,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2021-10-29 00:03:22,945 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 00:03:22,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 00:03:22,948 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 00:03:22,948 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 00:03:22,948 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 00:03:22,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-29 00:03:23,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-10-29 00:03:23,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 00:03:23,171 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,567 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,568 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:23,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:24,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:24,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:24,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:24,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:24,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:24,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:24,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:24,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:24,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:24,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:24,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:24,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:24,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:25,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:25,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:25,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:25,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:25,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:25,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:25,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:25,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:25,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:25,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:25,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:25,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:25,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:25,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:25,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:26,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:26,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:26,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:26,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:26,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:26,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:26,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:26,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:26,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 00:03:33,410 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-29 00:03:33,414 INFO L853 garLoopResultBuilder]: At program point L532(lines 1 1013) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-29 00:03:33,414 INFO L857 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2021-10-29 00:03:33,414 INFO L853 garLoopResultBuilder]: At program point L334-1(lines 334 340) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse8 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse6 .cse2 .cse7) (and .cse0 .cse5 .cse8 .cse6 .cse2) (and .cse0 .cse4 .cse8 .cse6) (and .cse0 .cse1 .cse5 .cse4 .cse6 .cse7))) [2021-10-29 00:03:33,415 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 153) no Hoare annotation was computed. [2021-10-29 00:03:33,415 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 136 153) no Hoare annotation was computed. [2021-10-29 00:03:33,415 INFO L857 garLoopResultBuilder]: For program point L136-2(lines 136 153) no Hoare annotation was computed. [2021-10-29 00:03:33,416 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2021-10-29 00:03:33,418 INFO L857 garLoopResultBuilder]: For program point L995-1(lines 995 1001) no Hoare annotation was computed. [2021-10-29 00:03:33,419 INFO L857 garLoopResultBuilder]: For program point L995-2(lines 995 1001) no Hoare annotation was computed. [2021-10-29 00:03:33,420 INFO L857 garLoopResultBuilder]: For program point L995-3(lines 995 1001) no Hoare annotation was computed. [2021-10-29 00:03:33,420 INFO L857 garLoopResultBuilder]: For program point L995-4(lines 995 1001) no Hoare annotation was computed. [2021-10-29 00:03:33,420 INFO L857 garLoopResultBuilder]: For program point L995-5(lines 995 1001) no Hoare annotation was computed. [2021-10-29 00:03:33,420 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 934) no Hoare annotation was computed. [2021-10-29 00:03:33,421 INFO L853 garLoopResultBuilder]: At program point L469(lines 465 471) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-29 00:03:33,423 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 179) no Hoare annotation was computed. [2021-10-29 00:03:33,423 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 148) no Hoare annotation was computed. [2021-10-29 00:03:33,423 INFO L857 garLoopResultBuilder]: For program point L173-2(lines 173 179) no Hoare annotation was computed. [2021-10-29 00:03:33,423 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 140 148) no Hoare annotation was computed. [2021-10-29 00:03:33,423 INFO L857 garLoopResultBuilder]: For program point L140-2(lines 140 148) no Hoare annotation was computed. [2021-10-29 00:03:33,424 INFO L857 garLoopResultBuilder]: For program point L173-4(lines 173 179) no Hoare annotation was computed. [2021-10-29 00:03:33,424 INFO L857 garLoopResultBuilder]: For program point L173-6(lines 173 179) no Hoare annotation was computed. [2021-10-29 00:03:33,424 INFO L857 garLoopResultBuilder]: For program point L173-8(lines 173 179) no Hoare annotation was computed. [2021-10-29 00:03:33,425 INFO L857 garLoopResultBuilder]: For program point L173-10(lines 173 179) no Hoare annotation was computed. [2021-10-29 00:03:33,426 INFO L853 garLoopResultBuilder]: At program point L207(lines 202 210) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 (= 1 ~systemActive~0) .cse3 (<= 1 ~waterLevel~0) .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0) .cse4))) [2021-10-29 00:03:33,426 INFO L853 garLoopResultBuilder]: At program point L207-1(lines 202 210) the Hoare annotation is: false [2021-10-29 00:03:33,428 INFO L853 garLoopResultBuilder]: At program point L207-2(lines 202 210) the Hoare annotation is: false [2021-10-29 00:03:33,428 INFO L853 garLoopResultBuilder]: At program point L1000(lines 991 1004) the Hoare annotation is: false [2021-10-29 00:03:33,428 INFO L853 garLoopResultBuilder]: At program point L1000-1(lines 991 1004) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse5 (<= 1 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse5) (and .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse7 .cse3))) [2021-10-29 00:03:33,428 INFO L853 garLoopResultBuilder]: At program point L1000-2(lines 991 1004) the Hoare annotation is: false [2021-10-29 00:03:33,429 INFO L853 garLoopResultBuilder]: At program point L1000-3(lines 991 1004) the Hoare annotation is: false [2021-10-29 00:03:33,429 INFO L853 garLoopResultBuilder]: At program point L1000-4(lines 991 1004) the Hoare annotation is: false [2021-10-29 00:03:33,429 INFO L853 garLoopResultBuilder]: At program point L1000-5(lines 991 1004) the Hoare annotation is: false [2021-10-29 00:03:33,429 INFO L860 garLoopResultBuilder]: At program point L505(lines 486 508) the Hoare annotation is: true [2021-10-29 00:03:33,429 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-29 00:03:33,429 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2021-10-29 00:03:33,429 INFO L857 garLoopResultBuilder]: For program point L275-2(lines 275 279) no Hoare annotation was computed. [2021-10-29 00:03:33,429 INFO L857 garLoopResultBuilder]: For program point L275-3(lines 275 279) no Hoare annotation was computed. [2021-10-29 00:03:33,429 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 127) no Hoare annotation was computed. [2021-10-29 00:03:33,430 INFO L857 garLoopResultBuilder]: For program point L275-5(lines 275 279) no Hoare annotation was computed. [2021-10-29 00:03:33,430 INFO L857 garLoopResultBuilder]: For program point L110-1(lines 110 127) no Hoare annotation was computed. [2021-10-29 00:03:33,430 INFO L857 garLoopResultBuilder]: For program point L275-6(lines 275 279) no Hoare annotation was computed. [2021-10-29 00:03:33,430 INFO L857 garLoopResultBuilder]: For program point L110-2(lines 110 127) no Hoare annotation was computed. [2021-10-29 00:03:33,430 INFO L857 garLoopResultBuilder]: For program point L110-3(lines 110 127) no Hoare annotation was computed. [2021-10-29 00:03:33,430 INFO L857 garLoopResultBuilder]: For program point L275-8(lines 275 279) no Hoare annotation was computed. [2021-10-29 00:03:33,430 INFO L857 garLoopResultBuilder]: For program point L110-4(lines 110 127) no Hoare annotation was computed. [2021-10-29 00:03:33,430 INFO L857 garLoopResultBuilder]: For program point L110-5(lines 110 127) no Hoare annotation was computed. [2021-10-29 00:03:33,430 INFO L853 garLoopResultBuilder]: At program point L540(lines 535 543) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-29 00:03:33,431 INFO L853 garLoopResultBuilder]: At program point L78(lines 77 96) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse6 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse2 .cse6) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse5 .cse2 .cse6))) [2021-10-29 00:03:33,431 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 78 84) no Hoare annotation was computed. [2021-10-29 00:03:33,432 INFO L853 garLoopResultBuilder]: At program point L78-2(lines 77 96) the Hoare annotation is: false [2021-10-29 00:03:33,432 INFO L853 garLoopResultBuilder]: At program point L78-3(lines 77 96) the Hoare annotation is: false [2021-10-29 00:03:33,432 INFO L853 garLoopResultBuilder]: At program point L377(lines 372 379) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-29 00:03:33,432 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 357) no Hoare annotation was computed. [2021-10-29 00:03:33,432 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 122) no Hoare annotation was computed. [2021-10-29 00:03:33,432 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 114 122) no Hoare annotation was computed. [2021-10-29 00:03:33,433 INFO L857 garLoopResultBuilder]: For program point L114-2(lines 114 122) no Hoare annotation was computed. [2021-10-29 00:03:33,433 INFO L857 garLoopResultBuilder]: For program point L114-3(lines 114 122) no Hoare annotation was computed. [2021-10-29 00:03:33,433 INFO L857 garLoopResultBuilder]: For program point L114-4(lines 114 122) no Hoare annotation was computed. [2021-10-29 00:03:33,433 INFO L857 garLoopResultBuilder]: For program point L114-5(lines 114 122) no Hoare annotation was computed. [2021-10-29 00:03:33,433 INFO L853 garLoopResultBuilder]: At program point L281(lines 266 284) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isLowWaterLevel_#res| 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 1)) (.cse4 (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~4 1))) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse7 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse8 (<= ULTIMATE.start_isLowWaterLevel_~tmp~4 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8))) [2021-10-29 00:03:33,433 INFO L853 garLoopResultBuilder]: At program point L281-1(lines 266 284) the Hoare annotation is: false [2021-10-29 00:03:33,433 INFO L853 garLoopResultBuilder]: At program point L281-2(lines 266 284) the Hoare annotation is: false [2021-10-29 00:03:33,433 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 946) no Hoare annotation was computed. [2021-10-29 00:03:33,433 INFO L857 garLoopResultBuilder]: For program point L315(lines 314 361) no Hoare annotation was computed. [2021-10-29 00:03:33,434 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-10-29 00:03:33,435 INFO L853 garLoopResultBuilder]: At program point L85(lines 85 91) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse6) (and .cse0 .cse1 .cse3 .cse5 .cse4) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse3))) [2021-10-29 00:03:33,435 INFO L853 garLoopResultBuilder]: At program point L85-1(lines 85 91) the Hoare annotation is: false [2021-10-29 00:03:33,435 INFO L853 garLoopResultBuilder]: At program point L85-2(lines 85 91) the Hoare annotation is: false [2021-10-29 00:03:33,435 INFO L853 garLoopResultBuilder]: At program point L1010(lines 1005 1013) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse4 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4))) [2021-10-29 00:03:33,435 INFO L853 garLoopResultBuilder]: At program point L1010-1(lines 1005 1013) the Hoare annotation is: false [2021-10-29 00:03:33,436 INFO L853 garLoopResultBuilder]: At program point L1010-2(lines 1005 1013) the Hoare annotation is: false [2021-10-29 00:03:33,436 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 356) no Hoare annotation was computed. [2021-10-29 00:03:33,436 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 00:03:33,436 INFO L853 garLoopResultBuilder]: At program point L350-1(lines 78 84) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse8 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse1 .cse5 .cse6 .cse2 .cse7) (and .cse0 .cse5 .cse8 .cse6 .cse2) (and .cse0 .cse4 .cse8 .cse6) (and .cse0 .cse1 .cse5 .cse4 .cse6 .cse7))) [2021-10-29 00:03:33,436 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-29 00:03:33,437 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-29 00:03:33,437 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-29 00:03:33,437 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-10-29 00:03:33,438 INFO L853 garLoopResultBuilder]: At program point L388-1(lines 1 1013) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~systemActive~0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse9 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse6 .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) .cse7) (and .cse0 .cse1 .cse8 .cse5 .cse10) (and .cse0 .cse1 .cse6 .cse4 .cse7 .cse9))) [2021-10-29 00:03:33,438 INFO L853 garLoopResultBuilder]: At program point L421-2(lines 421 435) the Hoare annotation is: false [2021-10-29 00:03:33,438 INFO L857 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-10-29 00:03:33,439 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2021-10-29 00:03:33,439 INFO L853 garLoopResultBuilder]: At program point L388-3(lines 1 1013) the Hoare annotation is: false [2021-10-29 00:03:33,440 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 00:03:33,440 INFO L853 garLoopResultBuilder]: At program point L289-1(lines 289 295) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1)))) [2021-10-29 00:03:33,440 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 260) no Hoare annotation was computed. [2021-10-29 00:03:33,441 INFO L857 garLoopResultBuilder]: For program point L388-4(lines 388 405) no Hoare annotation was computed. [2021-10-29 00:03:33,441 INFO L853 garLoopResultBuilder]: At program point L388-5(lines 1 1013) the Hoare annotation is: false [2021-10-29 00:03:33,442 INFO L857 garLoopResultBuilder]: For program point L256-2(lines 256 260) no Hoare annotation was computed. [2021-10-29 00:03:33,442 INFO L857 garLoopResultBuilder]: For program point L256-3(lines 256 260) no Hoare annotation was computed. [2021-10-29 00:03:33,442 INFO L857 garLoopResultBuilder]: For program point L256-5(lines 256 260) no Hoare annotation was computed. [2021-10-29 00:03:33,442 INFO L857 garLoopResultBuilder]: For program point L256-6(lines 256 260) no Hoare annotation was computed. [2021-10-29 00:03:33,442 INFO L857 garLoopResultBuilder]: For program point L256-8(lines 256 260) no Hoare annotation was computed. [2021-10-29 00:03:33,442 INFO L857 garLoopResultBuilder]: For program point L256-9(lines 256 260) no Hoare annotation was computed. [2021-10-29 00:03:33,443 INFO L857 garLoopResultBuilder]: For program point L256-11(lines 256 260) no Hoare annotation was computed. [2021-10-29 00:03:33,443 INFO L857 garLoopResultBuilder]: For program point L256-12(lines 256 260) no Hoare annotation was computed. [2021-10-29 00:03:33,443 INFO L857 garLoopResultBuilder]: For program point L256-14(lines 256 260) no Hoare annotation was computed. [2021-10-29 00:03:33,443 INFO L857 garLoopResultBuilder]: For program point L256-15(lines 256 260) no Hoare annotation was computed. [2021-10-29 00:03:33,443 INFO L857 garLoopResultBuilder]: For program point L256-17(lines 256 260) no Hoare annotation was computed. [2021-10-29 00:03:33,444 INFO L857 garLoopResultBuilder]: For program point L422(line 422) no Hoare annotation was computed. [2021-10-29 00:03:33,444 INFO L857 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2021-10-29 00:03:33,444 INFO L857 garLoopResultBuilder]: For program point L918-3(lines 918 922) no Hoare annotation was computed. [2021-10-29 00:03:33,444 INFO L857 garLoopResultBuilder]: For program point L918-6(lines 918 922) no Hoare annotation was computed. [2021-10-29 00:03:33,444 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-10-29 00:03:33,445 INFO L853 garLoopResultBuilder]: At program point L324-1(lines 324 330) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~systemActive~0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse9 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse6 .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) .cse7) (and .cse0 .cse1 .cse8 .cse5 .cse10) (and .cse0 .cse1 .cse6 .cse4 .cse7 .cse9))) [2021-10-29 00:03:33,445 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 00:03:33,445 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 429) no Hoare annotation was computed. [2021-10-29 00:03:33,445 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 402) no Hoare annotation was computed. [2021-10-29 00:03:33,445 INFO L857 garLoopResultBuilder]: For program point L425-1(lines 78 84) no Hoare annotation was computed. [2021-10-29 00:03:33,446 INFO L857 garLoopResultBuilder]: For program point L392-2(lines 392 402) no Hoare annotation was computed. [2021-10-29 00:03:33,446 INFO L857 garLoopResultBuilder]: For program point L392-4(lines 392 402) no Hoare annotation was computed. [2021-10-29 00:03:33,446 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 399) no Hoare annotation was computed. [2021-10-29 00:03:33,446 INFO L857 garLoopResultBuilder]: For program point L393-2(lines 393 399) no Hoare annotation was computed. [2021-10-29 00:03:33,446 INFO L857 garLoopResultBuilder]: For program point L393-4(lines 393 399) no Hoare annotation was computed. [2021-10-29 00:03:33,446 INFO L853 garLoopResultBuilder]: At program point L955(lines 950 958) the Hoare annotation is: false [2021-10-29 00:03:33,447 INFO L853 garLoopResultBuilder]: At program point L955-1(lines 950 958) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-10-29 00:03:33,447 INFO L853 garLoopResultBuilder]: At program point L955-2(lines 950 958) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse5 (<= 1 ~waterLevel~0)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse7) (and .cse0 .cse1 .cse4 .cse6 .cse5 .cse8) (and .cse0 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4))) [2021-10-29 00:03:33,447 INFO L853 garLoopResultBuilder]: At program point L955-3(lines 950 958) the Hoare annotation is: false [2021-10-29 00:03:33,447 INFO L853 garLoopResultBuilder]: At program point L955-4(lines 950 958) the Hoare annotation is: false [2021-10-29 00:03:33,448 INFO L853 garLoopResultBuilder]: At program point L955-5(lines 950 958) the Hoare annotation is: false [2021-10-29 00:03:33,448 INFO L853 garLoopResultBuilder]: At program point L955-6(lines 950 958) the Hoare annotation is: false [2021-10-29 00:03:33,449 INFO L853 garLoopResultBuilder]: At program point L955-7(lines 950 958) the Hoare annotation is: false [2021-10-29 00:03:33,449 INFO L853 garLoopResultBuilder]: At program point L955-8(lines 950 958) the Hoare annotation is: false [2021-10-29 00:03:33,449 INFO L853 garLoopResultBuilder]: At program point L262(lines 247 265) the Hoare annotation is: false [2021-10-29 00:03:33,449 INFO L853 garLoopResultBuilder]: At program point L262-1(lines 247 265) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse7 .cse6) (and .cse0 .cse1 .cse8 .cse5 .cse7) (and .cse0 .cse1 .cse3 .cse8 .cse5))) [2021-10-29 00:03:33,449 INFO L853 garLoopResultBuilder]: At program point L262-2(lines 247 265) the Hoare annotation is: false [2021-10-29 00:03:33,450 INFO L853 garLoopResultBuilder]: At program point L262-3(lines 247 265) the Hoare annotation is: false [2021-10-29 00:03:33,450 INFO L853 garLoopResultBuilder]: At program point L262-4(lines 247 265) the Hoare annotation is: false [2021-10-29 00:03:33,450 INFO L853 garLoopResultBuilder]: At program point L262-5(lines 247 265) the Hoare annotation is: false [2021-10-29 00:03:33,450 INFO L853 garLoopResultBuilder]: At program point L362(lines 313 363) the Hoare annotation is: false [2021-10-29 00:03:33,450 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 00:03:33,451 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-29 00:03:33,451 INFO L853 garLoopResultBuilder]: At program point L198(lines 191 201) the Hoare annotation is: false [2021-10-29 00:03:33,451 INFO L853 garLoopResultBuilder]: At program point L198-1(lines 191 201) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3))) [2021-10-29 00:03:33,451 INFO L853 garLoopResultBuilder]: At program point L198-2(lines 191 201) the Hoare annotation is: false [2021-10-29 00:03:33,452 INFO L853 garLoopResultBuilder]: At program point L198-3(lines 191 201) the Hoare annotation is: false [2021-10-29 00:03:33,452 INFO L853 garLoopResultBuilder]: At program point L198-4(lines 191 201) the Hoare annotation is: false [2021-10-29 00:03:33,452 INFO L853 garLoopResultBuilder]: At program point L198-5(lines 191 201) the Hoare annotation is: false [2021-10-29 00:03:33,452 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 503) no Hoare annotation was computed. [2021-10-29 00:03:33,452 INFO L860 garLoopResultBuilder]: At program point L496-1(lines 496 503) the Hoare annotation is: true [2021-10-29 00:03:33,456 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:03:33,463 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 00:03:33,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 12:03:33 BoogieIcfgContainer [2021-10-29 00:03:33,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 00:03:33,545 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 00:03:33,546 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 00:03:33,546 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 00:03:33,546 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:03:15" (3/4) ... [2021-10-29 00:03:33,550 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 00:03:33,582 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-29 00:03:33,584 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 00:03:33,586 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 00:03:33,588 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-29 00:03:33,590 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 00:03:33,591 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 00:03:33,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 00:03:33,630 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) [2021-10-29 00:03:33,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) [2021-10-29 00:03:33,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1)) || ((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-29 00:03:33,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) [2021-10-29 00:03:33,643 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-29 00:03:33,643 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1) [2021-10-29 00:03:33,647 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp___0 == 1) && 0 < tmp + 1) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && tmp <= 0) || (((((((((\result == 1 && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp___0 == 1) && 0 < tmp + 1) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && tmp <= 0) [2021-10-29 00:03:33,648 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-29 00:03:33,652 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-10-29 00:03:33,652 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) [2021-10-29 00:03:33,758 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-29 00:03:33,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 00:03:33,761 INFO L168 Benchmark]: Toolchain (without parser) took 20437.51 ms. Allocated memory was 94.4 MB in the beginning and 247.5 MB in the end (delta: 153.1 MB). Free memory was 62.9 MB in the beginning and 215.7 MB in the end (delta: -152.9 MB). Peak memory consumption was 143.2 MB. Max. memory is 16.1 GB. [2021-10-29 00:03:33,761 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 57.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:03:33,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.08 ms. Allocated memory is still 94.4 MB. Free memory was 62.8 MB in the beginning and 62.4 MB in the end (delta: 367.6 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 00:03:33,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.33 ms. Allocated memory is still 94.4 MB. Free memory was 62.1 MB in the beginning and 58.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 00:03:33,763 INFO L168 Benchmark]: Boogie Preprocessor took 65.74 ms. Allocated memory is still 94.4 MB. Free memory was 58.1 MB in the beginning and 55.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:03:33,764 INFO L168 Benchmark]: RCFGBuilder took 1378.89 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 55.1 MB in the beginning and 85.8 MB in the end (delta: -30.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2021-10-29 00:03:33,764 INFO L168 Benchmark]: TraceAbstraction took 18041.09 ms. Allocated memory was 113.2 MB in the beginning and 247.5 MB in the end (delta: 134.2 MB). Free memory was 85.3 MB in the beginning and 84.6 MB in the end (delta: 698.1 kB). Peak memory consumption was 149.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:03:33,765 INFO L168 Benchmark]: Witness Printer took 213.72 ms. Allocated memory is still 247.5 MB. Free memory was 84.6 MB in the beginning and 215.7 MB in the end (delta: -131.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 00:03:33,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory is still 57.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 631.08 ms. Allocated memory is still 94.4 MB. Free memory was 62.8 MB in the beginning and 62.4 MB in the end (delta: 367.6 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.33 ms. Allocated memory is still 94.4 MB. Free memory was 62.1 MB in the beginning and 58.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.74 ms. Allocated memory is still 94.4 MB. Free memory was 58.1 MB in the beginning and 55.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1378.89 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 55.1 MB in the beginning and 85.8 MB in the end (delta: -30.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18041.09 ms. Allocated memory was 113.2 MB in the beginning and 247.5 MB in the end (delta: 134.2 MB). Free memory was 85.3 MB in the beginning and 84.6 MB in the end (delta: 698.1 kB). Peak memory consumption was 149.1 MB. Max. memory is 16.1 GB. * Witness Printer took 213.72 ms. Allocated memory is still 247.5 MB. Free memory was 84.6 MB in the beginning and 215.7 MB in the end (delta: -131.2 MB). Peak memory consumption was 12.6 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 141 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 17.8s, OverallIterations: 16, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1853 SDtfs, 2505 SDslu, 3079 SDs, 0 SdLazy, 396 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 268 GetRequests, 204 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=645occurred in iteration=14, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 2460 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 228 NumberOfFragments, 1122 HoareAnnotationTreeSize, 57 FomulaSimplifications, 2926704 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 57 FomulaSimplificationsInter, 254497 FormulaSimplificationTreeSizeReductionInter, 6.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 893 NumberOfCodeBlocks, 893 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 875 ConstructedInterpolants, 0 QuantifiedInterpolants, 1695 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1032 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 297/341 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: 289]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) || ((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 1005]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) || (((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp___0 == 1) && 0 < tmp + 1) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && tmp <= 0) || (((((((((\result == 1 && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp___0 == 1) && 0 < tmp + 1) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && tmp <= 0) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1005]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1005]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel)) || ((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1)) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && 1 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= waterLevel) && \result == 1)) || ((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-29 00:03:33,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1263e230-1887-45b1-b976-15e02746c9cb/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...