./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.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_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/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_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/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_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/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 aad1ec08d8a193b38b6e11f9698a2d5cafe1e5bac6d0d3a9987fa93ed6006219 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:56:08,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:56:08,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:56:08,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:56:08,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:56:08,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:56:08,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:56:08,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:56:08,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:56:08,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:56:08,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:56:08,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:56:08,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:56:08,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:56:08,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:56:08,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:56:08,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:56:08,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:56:08,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:56:08,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:56:08,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:56:08,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:56:08,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:56:08,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:56:08,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:56:08,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:56:08,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:56:08,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:56:08,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:56:08,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:56:08,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:56:08,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:56:08,715 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:56:08,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:56:08,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:56:08,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:56:08,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:56:08,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:56:08,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:56:08,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:56:08,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:56:08,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:56:08,770 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:56:08,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:56:08,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:56:08,772 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:56:08,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:56:08,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:56:08,774 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:56:08,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:56:08,775 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:56:08,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:56:08,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:56:08,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:56:08,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:56:08,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:56:08,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:56:08,777 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:56:08,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:56:08,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:56:08,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:56:08,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:56:08,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:56:08,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:56:08,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:56:08,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:56:08,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:56:08,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:56:08,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:56:08,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:56:08,780 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:56:08,782 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:56:08,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:56:08,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:56:08,783 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_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad1ec08d8a193b38b6e11f9698a2d5cafe1e5bac6d0d3a9987fa93ed6006219 [2021-10-28 22:56:09,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:56:09,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:56:09,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:56:09,082 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:56:09,083 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:56:09,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2021-10-28 22:56:09,157 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/bin/uautomizer-GMMbpWq8iD/data/95924b4d1/44cffaaad8b7476483577e05172351db/FLAG55d3ccb4d [2021-10-28 22:56:09,641 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:56:09,642 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c [2021-10-28 22:56:09,655 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/bin/uautomizer-GMMbpWq8iD/data/95924b4d1/44cffaaad8b7476483577e05172351db/FLAG55d3ccb4d [2021-10-28 22:56:10,004 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/bin/uautomizer-GMMbpWq8iD/data/95924b4d1/44cffaaad8b7476483577e05172351db [2021-10-28 22:56:10,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:56:10,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:56:10,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:56:10,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:56:10,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:56:10,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:56:10" (1/1) ... [2021-10-28 22:56:10,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77579acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:10, skipping insertion in model container [2021-10-28 22:56:10,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:56:10" (1/1) ... [2021-10-28 22:56:10,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:56:10,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:56:10,332 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_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c[7021,7034] [2021-10-28 22:56:10,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:56:10,403 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:56:10,441 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_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/sv-benchmarks/c/product-lines/minepump_spec2_product37.cil.c[7021,7034] [2021-10-28 22:56:10,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:56:10,545 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:56:10,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:10 WrapperNode [2021-10-28 22:56:10,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:56:10,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:56:10,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:56:10,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:56:10,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:10" (1/1) ... [2021-10-28 22:56:10,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:10" (1/1) ... [2021-10-28 22:56:10,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:56:10,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:56:10,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:56:10,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:56:10,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:10" (1/1) ... [2021-10-28 22:56:10,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:10" (1/1) ... [2021-10-28 22:56:10,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:10" (1/1) ... [2021-10-28 22:56:10,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:10" (1/1) ... [2021-10-28 22:56:10,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:10" (1/1) ... [2021-10-28 22:56:10,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:10" (1/1) ... [2021-10-28 22:56:10,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:10" (1/1) ... [2021-10-28 22:56:10,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:56:10,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:56:10,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:56:10,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:56:10,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:10" (1/1) ... [2021-10-28 22:56:10,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:56:10,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:56:10,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:56:10,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:56:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:56:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:56:10,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:56:10,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:56:11,804 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:56:11,804 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-28 22:56:11,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:11 BoogieIcfgContainer [2021-10-28 22:56:11,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:56:11,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:56:11,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:56:11,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:56:11,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:56:10" (1/3) ... [2021-10-28 22:56:11,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702ae1f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:56:11, skipping insertion in model container [2021-10-28 22:56:11,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:10" (2/3) ... [2021-10-28 22:56:11,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@702ae1f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:56:11, skipping insertion in model container [2021-10-28 22:56:11,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:11" (3/3) ... [2021-10-28 22:56:11,816 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product37.cil.c [2021-10-28 22:56:11,826 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:56:11,826 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 22:56:11,880 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:56:11,886 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 22:56:11,886 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 22:56:11,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 111 states have (on average 1.5765765765765767) internal successors, (175), 114 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:11,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 22:56:11,910 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:11,911 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:11,911 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:11,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:11,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1765894020, now seen corresponding path program 1 times [2021-10-28 22:56:11,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:11,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71846891] [2021-10-28 22:56:11,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:11,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:12,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:12,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:12,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71846891] [2021-10-28 22:56:12,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71846891] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:12,185 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:12,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:56:12,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116532830] [2021-10-28 22:56:12,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 22:56:12,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:12,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:56:12,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:56:12,209 INFO L87 Difference]: Start difference. First operand has 115 states, 111 states have (on average 1.5765765765765767) internal successors, (175), 114 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:12,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:12,240 INFO L93 Difference]: Finished difference Result 223 states and 342 transitions. [2021-10-28 22:56:12,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:56:12,241 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-28 22:56:12,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:12,252 INFO L225 Difference]: With dead ends: 223 [2021-10-28 22:56:12,253 INFO L226 Difference]: Without dead ends: 111 [2021-10-28 22:56:12,256 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:56:12,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-28 22:56:12,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-10-28 22:56:12,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 108 states have (on average 1.5092592592592593) internal successors, (163), 110 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:12,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2021-10-28 22:56:12,301 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 18 [2021-10-28 22:56:12,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:12,302 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2021-10-28 22:56:12,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:12,302 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2021-10-28 22:56:12,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 22:56:12,304 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:12,304 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:12,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:56:12,305 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:12,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:12,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1547058051, now seen corresponding path program 1 times [2021-10-28 22:56:12,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:12,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049069960] [2021-10-28 22:56:12,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:12,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:12,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:12,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049069960] [2021-10-28 22:56:12,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049069960] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:12,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:12,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:12,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874816667] [2021-10-28 22:56:12,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:12,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:12,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:12,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:12,413 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:12,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:12,427 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2021-10-28 22:56:12,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:12,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 22:56:12,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:12,429 INFO L225 Difference]: With dead ends: 111 [2021-10-28 22:56:12,429 INFO L226 Difference]: Without dead ends: 47 [2021-10-28 22:56:12,430 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:12,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-28 22:56:12,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-28 22:56:12,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:12,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-28 22:56:12,437 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-10-28 22:56:12,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:12,437 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-28 22:56:12,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:12,438 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-28 22:56:12,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 22:56:12,439 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:12,439 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:12,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:56:12,440 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:12,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:12,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1303013450, now seen corresponding path program 1 times [2021-10-28 22:56:12,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:12,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108790626] [2021-10-28 22:56:12,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:12,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:12,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:12,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:12,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108790626] [2021-10-28 22:56:12,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108790626] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:12,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:12,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 22:56:12,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228396834] [2021-10-28 22:56:12,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 22:56:12,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:12,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 22:56:12,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:56:12,572 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:12,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:12,794 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2021-10-28 22:56:12,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:56:12,795 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-28 22:56:12,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:12,796 INFO L225 Difference]: With dead ends: 87 [2021-10-28 22:56:12,797 INFO L226 Difference]: Without dead ends: 47 [2021-10-28 22:56:12,799 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:56:12,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-28 22:56:12,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-28 22:56:12,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:12,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-28 22:56:12,814 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-10-28 22:56:12,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:12,815 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-28 22:56:12,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:12,815 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-28 22:56:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 22:56:12,817 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:12,817 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:12,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:56:12,818 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:12,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:12,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1055953523, now seen corresponding path program 1 times [2021-10-28 22:56:12,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:12,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71879378] [2021-10-28 22:56:12,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:12,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:12,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:12,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71879378] [2021-10-28 22:56:12,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71879378] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:12,943 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:12,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:56:12,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157511103] [2021-10-28 22:56:12,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:12,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:12,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:12,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:12,946 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:12,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:12,976 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2021-10-28 22:56:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:12,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-28 22:56:12,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:12,978 INFO L225 Difference]: With dead ends: 109 [2021-10-28 22:56:12,978 INFO L226 Difference]: Without dead ends: 69 [2021-10-28 22:56:12,979 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:12,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-28 22:56:12,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2021-10-28 22:56:12,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.4393939393939394) internal successors, (95), 66 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:12,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2021-10-28 22:56:12,988 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 26 [2021-10-28 22:56:12,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:12,989 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2021-10-28 22:56:12,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:12,989 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2021-10-28 22:56:12,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 22:56:12,990 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:12,990 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:12,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:56:12,991 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:12,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:12,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1518849596, now seen corresponding path program 1 times [2021-10-28 22:56:12,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:12,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295735755] [2021-10-28 22:56:12,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:12,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:13,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:13,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:13,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295735755] [2021-10-28 22:56:13,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295735755] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:13,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:13,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 22:56:13,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613115160] [2021-10-28 22:56:13,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:56:13,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:13,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:56:13,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:13,110 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:13,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:13,232 INFO L93 Difference]: Finished difference Result 178 states and 252 transitions. [2021-10-28 22:56:13,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 22:56:13,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-28 22:56:13,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:13,238 INFO L225 Difference]: With dead ends: 178 [2021-10-28 22:56:13,238 INFO L226 Difference]: Without dead ends: 118 [2021-10-28 22:56:13,240 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:56:13,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-28 22:56:13,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 73. [2021-10-28 22:56:13,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4027777777777777) internal successors, (101), 72 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:13,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 101 transitions. [2021-10-28 22:56:13,257 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 101 transitions. Word has length 32 [2021-10-28 22:56:13,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:13,258 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 101 transitions. [2021-10-28 22:56:13,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:13,258 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2021-10-28 22:56:13,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 22:56:13,259 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:13,259 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:13,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 22:56:13,260 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:13,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:13,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1842653991, now seen corresponding path program 1 times [2021-10-28 22:56:13,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:13,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132274666] [2021-10-28 22:56:13,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:13,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:13,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:13,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132274666] [2021-10-28 22:56:13,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132274666] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:13,354 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:13,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:56:13,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115994438] [2021-10-28 22:56:13,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:56:13,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:13,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:56:13,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:13,360 INFO L87 Difference]: Start difference. First operand 73 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:13,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:13,470 INFO L93 Difference]: Finished difference Result 349 states and 492 transitions. [2021-10-28 22:56:13,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 22:56:13,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-28 22:56:13,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:13,480 INFO L225 Difference]: With dead ends: 349 [2021-10-28 22:56:13,480 INFO L226 Difference]: Without dead ends: 283 [2021-10-28 22:56:13,482 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:56:13,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2021-10-28 22:56:13,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 131. [2021-10-28 22:56:13,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 130 states have (on average 1.3846153846153846) internal successors, (180), 130 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:13,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 180 transitions. [2021-10-28 22:56:13,516 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 180 transitions. Word has length 32 [2021-10-28 22:56:13,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:13,518 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 180 transitions. [2021-10-28 22:56:13,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:13,519 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 180 transitions. [2021-10-28 22:56:13,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 22:56:13,522 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:13,522 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:13,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 22:56:13,523 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:13,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:13,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1842810527, now seen corresponding path program 1 times [2021-10-28 22:56:13,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:13,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781161922] [2021-10-28 22:56:13,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:13,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:13,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:13,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:13,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781161922] [2021-10-28 22:56:13,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781161922] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:13,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:13,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:56:13,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759754419] [2021-10-28 22:56:13,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:56:13,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:13,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:56:13,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:13,610 INFO L87 Difference]: Start difference. First operand 131 states and 180 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:13,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:13,724 INFO L93 Difference]: Finished difference Result 490 states and 677 transitions. [2021-10-28 22:56:13,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:56:13,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 22:56:13,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:13,727 INFO L225 Difference]: With dead ends: 490 [2021-10-28 22:56:13,727 INFO L226 Difference]: Without dead ends: 366 [2021-10-28 22:56:13,729 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:56:13,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2021-10-28 22:56:13,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 130. [2021-10-28 22:56:13,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.372093023255814) internal successors, (177), 129 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:13,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2021-10-28 22:56:13,749 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 177 transitions. Word has length 33 [2021-10-28 22:56:13,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:13,750 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 177 transitions. [2021-10-28 22:56:13,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:13,751 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2021-10-28 22:56:13,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 22:56:13,755 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:13,755 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:13,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 22:56:13,755 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:13,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:13,756 INFO L85 PathProgramCache]: Analyzing trace with hash -2075209658, now seen corresponding path program 1 times [2021-10-28 22:56:13,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:13,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257624997] [2021-10-28 22:56:13,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:13,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:13,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:13,829 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:13,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257624997] [2021-10-28 22:56:13,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257624997] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:13,831 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:13,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:56:13,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770421308] [2021-10-28 22:56:13,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:56:13,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:13,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:56:13,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:56:13,833 INFO L87 Difference]: Start difference. First operand 130 states and 177 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:13,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:13,876 INFO L93 Difference]: Finished difference Result 311 states and 421 transitions. [2021-10-28 22:56:13,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:56:13,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 22:56:13,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:13,878 INFO L225 Difference]: With dead ends: 311 [2021-10-28 22:56:13,878 INFO L226 Difference]: Without dead ends: 188 [2021-10-28 22:56:13,880 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:13,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-10-28 22:56:13,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 138. [2021-10-28 22:56:13,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.3503649635036497) internal successors, (185), 137 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2021-10-28 22:56:13,893 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 33 [2021-10-28 22:56:13,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:13,894 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2021-10-28 22:56:13,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:13,895 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2021-10-28 22:56:13,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 22:56:13,898 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:13,899 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:13,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 22:56:13,899 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:13,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:13,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1632951624, now seen corresponding path program 1 times [2021-10-28 22:56:13,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:13,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220438593] [2021-10-28 22:56:13,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:13,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:13,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:13,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:13,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220438593] [2021-10-28 22:56:13,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220438593] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:13,964 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:13,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:56:13,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162497464] [2021-10-28 22:56:13,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:13,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:13,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:13,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:13,969 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:14,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:14,009 INFO L93 Difference]: Finished difference Result 319 states and 427 transitions. [2021-10-28 22:56:14,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:14,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 22:56:14,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:14,013 INFO L225 Difference]: With dead ends: 319 [2021-10-28 22:56:14,013 INFO L226 Difference]: Without dead ends: 188 [2021-10-28 22:56:14,013 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:14,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-10-28 22:56:14,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2021-10-28 22:56:14,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.3101604278074865) internal successors, (245), 187 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:14,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 245 transitions. [2021-10-28 22:56:14,044 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 245 transitions. Word has length 33 [2021-10-28 22:56:14,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:14,045 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 245 transitions. [2021-10-28 22:56:14,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:14,045 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2021-10-28 22:56:14,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 22:56:14,047 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:14,047 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] [2021-10-28 22:56:14,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 22:56:14,047 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:14,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:14,048 INFO L85 PathProgramCache]: Analyzing trace with hash -767383544, now seen corresponding path program 1 times [2021-10-28 22:56:14,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:14,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175958200] [2021-10-28 22:56:14,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:14,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:14,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:14,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175958200] [2021-10-28 22:56:14,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175958200] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:14,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:14,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:14,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822413215] [2021-10-28 22:56:14,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:14,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:14,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:14,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:14,113 INFO L87 Difference]: Start difference. First operand 188 states and 245 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:14,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:14,155 INFO L93 Difference]: Finished difference Result 287 states and 377 transitions. [2021-10-28 22:56:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:14,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 34 [2021-10-28 22:56:14,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:14,158 INFO L225 Difference]: With dead ends: 287 [2021-10-28 22:56:14,158 INFO L226 Difference]: Without dead ends: 285 [2021-10-28 22:56:14,158 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:14,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-10-28 22:56:14,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 228. [2021-10-28 22:56:14,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.3392070484581498) internal successors, (304), 227 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:14,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 304 transitions. [2021-10-28 22:56:14,181 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 304 transitions. Word has length 34 [2021-10-28 22:56:14,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:14,181 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 304 transitions. [2021-10-28 22:56:14,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:14,182 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 304 transitions. [2021-10-28 22:56:14,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-28 22:56:14,183 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:14,183 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:14,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 22:56:14,184 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:14,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:14,184 INFO L85 PathProgramCache]: Analyzing trace with hash 12630167, now seen corresponding path program 1 times [2021-10-28 22:56:14,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:14,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821305143] [2021-10-28 22:56:14,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:14,187 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:14,280 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 22:56:14,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:14,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821305143] [2021-10-28 22:56:14,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821305143] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:14,280 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:14,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 22:56:14,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166873428] [2021-10-28 22:56:14,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 22:56:14,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:14,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 22:56:14,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:56:14,283 INFO L87 Difference]: Start difference. First operand 228 states and 304 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:14,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:14,507 INFO L93 Difference]: Finished difference Result 720 states and 968 transitions. [2021-10-28 22:56:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 22:56:14,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 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 56 [2021-10-28 22:56:14,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:14,512 INFO L225 Difference]: With dead ends: 720 [2021-10-28 22:56:14,512 INFO L226 Difference]: Without dead ends: 499 [2021-10-28 22:56:14,513 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-28 22:56:14,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2021-10-28 22:56:14,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 205. [2021-10-28 22:56:14,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 204 states have (on average 1.3088235294117647) internal successors, (267), 204 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:14,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 267 transitions. [2021-10-28 22:56:14,537 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 267 transitions. Word has length 56 [2021-10-28 22:56:14,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:14,538 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 267 transitions. [2021-10-28 22:56:14,539 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:14,539 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 267 transitions. [2021-10-28 22:56:14,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-28 22:56:14,540 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:14,540 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2021-10-28 22:56:14,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 22:56:14,541 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:14,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:14,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1600290606, now seen corresponding path program 1 times [2021-10-28 22:56:14,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:14,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324397506] [2021-10-28 22:56:14,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:14,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:14,618 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:14,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:14,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324397506] [2021-10-28 22:56:14,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324397506] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:14,619 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:14,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 22:56:14,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24575082] [2021-10-28 22:56:14,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:56:14,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:14,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:56:14,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:14,621 INFO L87 Difference]: Start difference. First operand 205 states and 267 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 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) [2021-10-28 22:56:14,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:14,751 INFO L93 Difference]: Finished difference Result 325 states and 432 transitions. [2021-10-28 22:56:14,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:56:14,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 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 [2021-10-28 22:56:14,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:14,752 INFO L225 Difference]: With dead ends: 325 [2021-10-28 22:56:14,752 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 22:56:14,753 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:56:14,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 22:56:14,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 22:56:14,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 22:56:14,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-28 22:56:14,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:14,754 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:56:14,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 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) [2021-10-28 22:56:14,755 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:56:14,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 22:56:14,757 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:56:14,758 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:56:14,758 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:56:14,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 22:56:14,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 22:56:14,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,928 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,931 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:14,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,243 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:15,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:17,942 INFO L857 garLoopResultBuilder]: For program point L828(line 828) no Hoare annotation was computed. [2021-10-28 22:56:17,942 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 445) no Hoare annotation was computed. [2021-10-28 22:56:17,942 INFO L853 garLoopResultBuilder]: At program point L169(lines 162 172) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) .cse3 .cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-10-28 22:56:17,942 INFO L853 garLoopResultBuilder]: At program point L169-1(lines 162 172) the Hoare annotation is: false [2021-10-28 22:56:17,942 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-10-28 22:56:17,943 INFO L853 garLoopResultBuilder]: At program point L169-2(lines 162 172) the Hoare annotation is: false [2021-10-28 22:56:17,943 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 103 111) no Hoare annotation was computed. [2021-10-28 22:56:17,943 INFO L857 garLoopResultBuilder]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2021-10-28 22:56:17,943 INFO L857 garLoopResultBuilder]: For program point L103-3(lines 103 111) no Hoare annotation was computed. [2021-10-28 22:56:17,943 INFO L857 garLoopResultBuilder]: For program point L103-4(lines 103 111) no Hoare annotation was computed. [2021-10-28 22:56:17,943 INFO L857 garLoopResultBuilder]: For program point L103-5(lines 103 111) no Hoare annotation was computed. [2021-10-28 22:56:17,943 INFO L857 garLoopResultBuilder]: For program point L831(lines 831 835) no Hoare annotation was computed. [2021-10-28 22:56:17,943 INFO L857 garLoopResultBuilder]: For program point L831-1(lines 67 73) no Hoare annotation was computed. [2021-10-28 22:56:17,943 INFO L853 garLoopResultBuilder]: At program point L435(lines 426 439) the Hoare annotation is: false [2021-10-28 22:56:17,944 INFO L853 garLoopResultBuilder]: At program point L435-1(lines 426 439) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) .cse2 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3 .cse4 .cse5))) [2021-10-28 22:56:17,944 INFO L853 garLoopResultBuilder]: At program point L435-2(lines 426 439) the Hoare annotation is: false [2021-10-28 22:56:17,944 INFO L853 garLoopResultBuilder]: At program point L435-3(lines 426 439) the Hoare annotation is: false [2021-10-28 22:56:17,944 INFO L853 garLoopResultBuilder]: At program point L435-4(lines 426 439) the Hoare annotation is: false [2021-10-28 22:56:17,944 INFO L853 garLoopResultBuilder]: At program point L435-5(lines 426 439) the Hoare annotation is: false [2021-10-28 22:56:17,944 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 277) no Hoare annotation was computed. [2021-10-28 22:56:17,944 INFO L853 garLoopResultBuilder]: At program point L271-1(lines 271 277) the Hoare annotation is: (let ((.cse6 (not (= ~pumpRunning~0 0))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) .cse1 .cse7 .cse2 .cse4))) [2021-10-28 22:56:17,945 INFO L853 garLoopResultBuilder]: At program point L74(lines 74 80) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~tmp~8 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse4 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methAndRunningLastTime~0 0) (= 1 ~systemActive~0) .cse4 .cse2))) [2021-10-28 22:56:17,945 INFO L853 garLoopResultBuilder]: At program point L74-1(lines 74 80) the Hoare annotation is: false [2021-10-28 22:56:17,945 INFO L853 garLoopResultBuilder]: At program point L74-2(lines 74 80) the Hoare annotation is: false [2021-10-28 22:56:17,945 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 445) no Hoare annotation was computed. [2021-10-28 22:56:17,945 INFO L857 garLoopResultBuilder]: For program point L902(lines 902 909) no Hoare annotation was computed. [2021-10-28 22:56:17,945 INFO L860 garLoopResultBuilder]: At program point L902-1(lines 902 909) the Hoare annotation is: true [2021-10-28 22:56:17,945 INFO L853 garLoopResultBuilder]: At program point L178(lines 173 181) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~methAndRunningLastTime~0 0) (not .cse1) .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-28 22:56:17,945 INFO L853 garLoopResultBuilder]: At program point L178-1(lines 173 181) the Hoare annotation is: false [2021-10-28 22:56:17,946 INFO L853 garLoopResultBuilder]: At program point L178-2(lines 173 181) the Hoare annotation is: false [2021-10-28 22:56:17,946 INFO L853 garLoopResultBuilder]: At program point L938(lines 1 949) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 22:56:17,946 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 381) no Hoare annotation was computed. [2021-10-28 22:56:17,946 INFO L857 garLoopResultBuilder]: For program point L445(line 445) no Hoare annotation was computed. [2021-10-28 22:56:17,946 INFO L857 garLoopResultBuilder]: For program point L445-1(line 445) no Hoare annotation was computed. [2021-10-28 22:56:17,946 INFO L857 garLoopResultBuilder]: For program point L445-2(line 445) no Hoare annotation was computed. [2021-10-28 22:56:17,946 INFO L853 garLoopResultBuilder]: At program point L313(lines 308 315) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-28 22:56:17,946 INFO L853 garLoopResultBuilder]: At program point L875(lines 871 877) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-28 22:56:17,947 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 292) no Hoare annotation was computed. [2021-10-28 22:56:17,947 INFO L860 garLoopResultBuilder]: At program point L911(lines 892 914) the Hoare annotation is: true [2021-10-28 22:56:17,947 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 22:56:17,947 INFO L857 garLoopResultBuilder]: For program point L252(lines 251 296) no Hoare annotation was computed. [2021-10-28 22:56:17,947 INFO L853 garLoopResultBuilder]: At program point L946(lines 941 949) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-28 22:56:17,947 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2021-10-28 22:56:17,947 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 357) no Hoare annotation was computed. [2021-10-28 22:56:17,947 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 291) no Hoare annotation was computed. [2021-10-28 22:56:17,947 INFO L857 garLoopResultBuilder]: For program point L353-3(lines 353 357) no Hoare annotation was computed. [2021-10-28 22:56:17,948 INFO L857 garLoopResultBuilder]: For program point L287-2(lines 67 73) no Hoare annotation was computed. [2021-10-28 22:56:17,948 INFO L857 garLoopResultBuilder]: For program point L353-6(lines 353 357) no Hoare annotation was computed. [2021-10-28 22:56:17,948 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 22:56:17,948 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 142) no Hoare annotation was computed. [2021-10-28 22:56:17,948 INFO L857 garLoopResultBuilder]: For program point L125-1(lines 125 142) no Hoare annotation was computed. [2021-10-28 22:56:17,948 INFO L857 garLoopResultBuilder]: For program point L125-2(lines 125 142) no Hoare annotation was computed. [2021-10-28 22:56:17,948 INFO L853 garLoopResultBuilder]: At program point L390(lines 385 393) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) .cse1 .cse2 (= ~methaneLevelCritical~0 1) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-10-28 22:56:17,948 INFO L853 garLoopResultBuilder]: At program point L390-1(lines 385 393) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methAndRunningLastTime~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse1 .cse3 .cse5) (and .cse0 (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~8 1) .cse2 .cse3 .cse5 .cse4))) [2021-10-28 22:56:17,948 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 341) no Hoare annotation was computed. [2021-10-28 22:56:17,949 INFO L853 garLoopResultBuilder]: At program point L390-2(lines 385 393) the Hoare annotation is: false [2021-10-28 22:56:17,949 INFO L853 garLoopResultBuilder]: At program point L324-1(lines 1 949) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse9 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) .cse1 .cse8 .cse9 .cse4) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4 0) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse8 .cse2 .cse4 .cse5) (and .cse0 (not .cse7) .cse9 .cse3 .cse4 .cse5 .cse6))) [2021-10-28 22:56:17,949 INFO L853 garLoopResultBuilder]: At program point L390-3(lines 385 393) the Hoare annotation is: false [2021-10-28 22:56:17,949 INFO L857 garLoopResultBuilder]: For program point L324-2(lines 324 341) no Hoare annotation was computed. [2021-10-28 22:56:17,949 INFO L853 garLoopResultBuilder]: At program point L390-4(lines 385 393) the Hoare annotation is: false [2021-10-28 22:56:17,949 INFO L853 garLoopResultBuilder]: At program point L324-3(lines 1 949) the Hoare annotation is: false [2021-10-28 22:56:17,949 INFO L853 garLoopResultBuilder]: At program point L390-5(lines 385 393) the Hoare annotation is: false [2021-10-28 22:56:17,949 INFO L857 garLoopResultBuilder]: For program point L324-4(lines 324 341) no Hoare annotation was computed. [2021-10-28 22:56:17,949 INFO L853 garLoopResultBuilder]: At program point L324-5(lines 1 949) the Hoare annotation is: false [2021-10-28 22:56:17,950 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 22:56:17,950 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2021-10-28 22:56:17,950 INFO L857 garLoopResultBuilder]: For program point L227-2(lines 227 231) no Hoare annotation was computed. [2021-10-28 22:56:17,950 INFO L857 garLoopResultBuilder]: For program point L227-3(lines 227 231) no Hoare annotation was computed. [2021-10-28 22:56:17,950 INFO L857 garLoopResultBuilder]: For program point L227-5(lines 227 231) no Hoare annotation was computed. [2021-10-28 22:56:17,950 INFO L857 garLoopResultBuilder]: For program point L227-6(lines 227 231) no Hoare annotation was computed. [2021-10-28 22:56:17,950 INFO L857 garLoopResultBuilder]: For program point L227-8(lines 227 231) no Hoare annotation was computed. [2021-10-28 22:56:17,950 INFO L857 garLoopResultBuilder]: For program point L227-9(lines 227 231) no Hoare annotation was computed. [2021-10-28 22:56:17,950 INFO L857 garLoopResultBuilder]: For program point L227-11(lines 227 231) no Hoare annotation was computed. [2021-10-28 22:56:17,951 INFO L857 garLoopResultBuilder]: For program point L227-12(lines 227 231) no Hoare annotation was computed. [2021-10-28 22:56:17,951 INFO L857 garLoopResultBuilder]: For program point L227-14(lines 227 231) no Hoare annotation was computed. [2021-10-28 22:56:17,951 INFO L857 garLoopResultBuilder]: For program point L227-15(lines 227 231) no Hoare annotation was computed. [2021-10-28 22:56:17,951 INFO L857 garLoopResultBuilder]: For program point L227-17(lines 227 231) no Hoare annotation was computed. [2021-10-28 22:56:17,951 INFO L857 garLoopResultBuilder]: For program point L261(lines 261 267) no Hoare annotation was computed. [2021-10-28 22:56:17,951 INFO L853 garLoopResultBuilder]: At program point L261-1(lines 261 267) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~8 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse9 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) .cse1 .cse8 .cse9 .cse4) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~4 0) .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse8 .cse2 .cse4 .cse5) (and .cse0 (not .cse7) .cse9 .cse3 .cse4 .cse5 .cse6))) [2021-10-28 22:56:17,951 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 137) no Hoare annotation was computed. [2021-10-28 22:56:17,951 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 129 137) no Hoare annotation was computed. [2021-10-28 22:56:17,952 INFO L857 garLoopResultBuilder]: For program point L129-2(lines 129 137) no Hoare annotation was computed. [2021-10-28 22:56:17,952 INFO L857 garLoopResultBuilder]: For program point L328(lines 328 338) no Hoare annotation was computed. [2021-10-28 22:56:17,952 INFO L857 garLoopResultBuilder]: For program point L328-2(lines 328 338) no Hoare annotation was computed. [2021-10-28 22:56:17,952 INFO L857 garLoopResultBuilder]: For program point L328-4(lines 328 338) no Hoare annotation was computed. [2021-10-28 22:56:17,952 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 335) no Hoare annotation was computed. [2021-10-28 22:56:17,952 INFO L857 garLoopResultBuilder]: For program point L329-2(lines 329 335) no Hoare annotation was computed. [2021-10-28 22:56:17,952 INFO L857 garLoopResultBuilder]: For program point L329-4(lines 329 335) no Hoare annotation was computed. [2021-10-28 22:56:17,952 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 22:56:17,953 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 445) no Hoare annotation was computed. [2021-10-28 22:56:17,953 INFO L853 garLoopResultBuilder]: At program point L297(lines 250 298) the Hoare annotation is: false [2021-10-28 22:56:17,953 INFO L857 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2021-10-28 22:56:17,953 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 99 116) no Hoare annotation was computed. [2021-10-28 22:56:17,953 INFO L857 garLoopResultBuilder]: For program point L99-2(lines 99 116) no Hoare annotation was computed. [2021-10-28 22:56:17,953 INFO L857 garLoopResultBuilder]: For program point L99-3(lines 99 116) no Hoare annotation was computed. [2021-10-28 22:56:17,953 INFO L857 garLoopResultBuilder]: For program point L99-4(lines 99 116) no Hoare annotation was computed. [2021-10-28 22:56:17,953 INFO L857 garLoopResultBuilder]: For program point L99-5(lines 99 116) no Hoare annotation was computed. [2021-10-28 22:56:17,953 INFO L857 garLoopResultBuilder]: For program point L430(lines 430 436) no Hoare annotation was computed. [2021-10-28 22:56:17,953 INFO L857 garLoopResultBuilder]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2021-10-28 22:56:17,954 INFO L857 garLoopResultBuilder]: For program point L430-2(lines 430 436) no Hoare annotation was computed. [2021-10-28 22:56:17,954 INFO L857 garLoopResultBuilder]: For program point L430-3(lines 430 436) no Hoare annotation was computed. [2021-10-28 22:56:17,954 INFO L857 garLoopResultBuilder]: For program point L430-4(lines 430 436) no Hoare annotation was computed. [2021-10-28 22:56:17,954 INFO L857 garLoopResultBuilder]: For program point L430-5(lines 430 436) no Hoare annotation was computed. [2021-10-28 22:56:17,954 INFO L853 garLoopResultBuilder]: At program point L67(lines 66 85) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse4 .cse2 .cse3) (and .cse0 (not (= ~pumpRunning~0 0)) .cse1 .cse4 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)))) [2021-10-28 22:56:17,954 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 67 73) no Hoare annotation was computed. [2021-10-28 22:56:17,954 INFO L853 garLoopResultBuilder]: At program point L67-2(lines 66 85) the Hoare annotation is: false [2021-10-28 22:56:17,954 INFO L853 garLoopResultBuilder]: At program point L67-3(lines 66 85) the Hoare annotation is: false [2021-10-28 22:56:17,954 INFO L853 garLoopResultBuilder]: At program point L827-2(lines 827 841) the Hoare annotation is: false [2021-10-28 22:56:17,955 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 369) no Hoare annotation was computed. [2021-10-28 22:56:17,955 INFO L853 garLoopResultBuilder]: At program point L233(lines 218 236) the Hoare annotation is: false [2021-10-28 22:56:17,955 INFO L853 garLoopResultBuilder]: At program point L233-1(lines 218 236) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (= ULTIMATE.start_main_~tmp~8 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse4 .cse5) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 .cse4))) [2021-10-28 22:56:17,955 INFO L853 garLoopResultBuilder]: At program point L233-2(lines 218 236) the Hoare annotation is: false [2021-10-28 22:56:17,955 INFO L853 garLoopResultBuilder]: At program point L233-3(lines 218 236) the Hoare annotation is: false [2021-10-28 22:56:17,955 INFO L853 garLoopResultBuilder]: At program point L233-4(lines 218 236) the Hoare annotation is: false [2021-10-28 22:56:17,955 INFO L853 garLoopResultBuilder]: At program point L233-5(lines 218 236) the Hoare annotation is: false [2021-10-28 22:56:17,958 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:17,960 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:56:17,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:56:17 BoogieIcfgContainer [2021-10-28 22:56:17,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:56:17,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:56:17,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:56:17,991 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:56:17,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:11" (3/4) ... [2021-10-28 22:56:17,994 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 22:56:18,014 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 22:56:18,016 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 22:56:18,017 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 22:56:18,018 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 22:56:18,019 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 22:56:18,020 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:56:18,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:56:18,046 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-10-28 22:56:18,046 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 [2021-10-28 22:56:18,046 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 [2021-10-28 22:56:18,047 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && tmp == systemActive) && \result == 1)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) [2021-10-28 22:56:18,047 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && tmp == systemActive) && \result == 1)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) [2021-10-28 22:56:18,047 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1)) || (((((splverifierCounter == 0 && \result == systemActive) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) [2021-10-28 22:56:18,048 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) [2021-10-28 22:56:18,048 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && methaneLevelCritical == 0) && tmp == 1) && tmp == systemActive) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) [2021-10-28 22:56:18,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) [2021-10-28 22:56:18,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) [2021-10-28 22:56:18,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) [2021-10-28 22:56:18,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) [2021-10-28 22:56:18,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) || (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) [2021-10-28 22:56:18,052 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == systemActive) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) [2021-10-28 22:56:18,100 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:56:18,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:56:18,102 INFO L168 Benchmark]: Toolchain (without parser) took 8086.46 ms. Allocated memory was 130.0 MB in the beginning and 197.1 MB in the end (delta: 67.1 MB). Free memory was 87.1 MB in the beginning and 136.6 MB in the end (delta: -49.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:18,102 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 130.0 MB. Free memory is still 104.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:56:18,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 515.90 ms. Allocated memory is still 130.0 MB. Free memory was 86.9 MB in the beginning and 94.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:18,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.04 ms. Allocated memory is still 130.0 MB. Free memory was 94.6 MB in the beginning and 91.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:18,103 INFO L168 Benchmark]: Boogie Preprocessor took 69.97 ms. Allocated memory is still 130.0 MB. Free memory was 91.4 MB in the beginning and 88.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:18,104 INFO L168 Benchmark]: RCFGBuilder took 1077.10 ms. Allocated memory was 130.0 MB in the beginning and 163.6 MB in the end (delta: 33.6 MB). Free memory was 88.3 MB in the beginning and 136.8 MB in the end (delta: -48.4 MB). Peak memory consumption was 51.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:18,104 INFO L168 Benchmark]: TraceAbstraction took 6181.68 ms. Allocated memory was 163.6 MB in the beginning and 197.1 MB in the end (delta: 33.6 MB). Free memory was 135.9 MB in the beginning and 147.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 117.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:18,105 INFO L168 Benchmark]: Witness Printer took 109.98 ms. Allocated memory is still 197.1 MB. Free memory was 147.2 MB in the beginning and 136.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:56:18,107 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 130.0 MB. Free memory is still 104.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 515.90 ms. Allocated memory is still 130.0 MB. Free memory was 86.9 MB in the beginning and 94.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 111.04 ms. Allocated memory is still 130.0 MB. Free memory was 94.6 MB in the beginning and 91.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.97 ms. Allocated memory is still 130.0 MB. Free memory was 91.4 MB in the beginning and 88.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1077.10 ms. Allocated memory was 130.0 MB in the beginning and 163.6 MB in the end (delta: 33.6 MB). Free memory was 88.3 MB in the beginning and 136.8 MB in the end (delta: -48.4 MB). Peak memory consumption was 51.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6181.68 ms. Allocated memory was 163.6 MB in the beginning and 197.1 MB in the end (delta: 33.6 MB). Free memory was 135.9 MB in the beginning and 147.2 MB in the end (delta: -11.3 MB). Peak memory consumption was 117.7 MB. Max. memory is 16.1 GB. * Witness Printer took 109.98 ms. Allocated memory is still 197.1 MB. Free memory was 147.2 MB in the beginning and 136.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 445]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 445]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 445]: 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, 115 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1107 SDtfs, 1391 SDslu, 1616 SDs, 0 SdLazy, 228 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=10, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 836 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 104 NumberOfFragments, 833 HoareAnnotationTreeSize, 43 FomulaSimplifications, 117801 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 43 FomulaSimplificationsInter, 26062 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 398 NumberOfCodeBlocks, 398 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 386 ConstructedInterpolants, 0 QuantifiedInterpolants, 803 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 41/41 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: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && methaneLevelCritical == 0) && tmp == 1) && tmp == systemActive) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1)) || (((((splverifierCounter == 0 && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && tmp == systemActive) && \result == 1)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 162]: 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: 902]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1)) || (((((splverifierCounter == 0 && \result == systemActive) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && tmp == 1) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || (((((((tmp == 0 && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 1) && tmp == systemActive) && \result == 1)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && \result == 1) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) || (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == systemActive) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && methaneLevelCritical == 1) && tmp == systemActive) && \result == 1) && \result == 1) RESULT: Ultimate proved your program to be correct! [2021-10-28 22:56:18,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d46d545e-c43c-44ad-b1ba-d9a5fa3fcea2/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...