./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.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_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg --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 837951bb35a66379a80a07f15314d2b43ee3f47728002b8b604897c09f36abe4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 08:45:53,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:45:53,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:45:53,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:45:53,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:45:53,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:45:53,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:45:53,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:45:53,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:45:53,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:45:53,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:45:53,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:45:53,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:45:53,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:45:53,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:45:53,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:45:53,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:45:53,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:45:53,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:45:53,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:45:53,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:45:53,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:45:53,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:45:53,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:45:53,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:45:53,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:45:53,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:45:53,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:45:53,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:45:53,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:45:53,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:45:53,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:45:53,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:45:53,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:45:53,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:45:53,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:45:53,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:45:53,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:45:53,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:45:53,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:45:53,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:45:53,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:45:53,957 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:45:53,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:45:53,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:45:53,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:45:53,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:45:53,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:45:53,971 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:45:53,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:45:53,972 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:45:53,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:45:53,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:45:53,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:45:53,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:45:53,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:45:53,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:45:53,975 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:45:53,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:45:53,975 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:45:53,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:45:53,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:45:53,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:45:53,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:45:53,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:45:53,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:45:53,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:45:53,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:45:53,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:45:53,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:45:53,979 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:45:53,981 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:45:53,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:45:53,981 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:45:53,982 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_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 837951bb35a66379a80a07f15314d2b43ee3f47728002b8b604897c09f36abe4 [2021-10-28 08:45:54,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:45:54,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:45:54,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:45:54,402 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:45:54,403 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:45:54,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2021-10-28 08:45:54,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/data/2b2d2c58e/2e097a3a520042ebb425c83098f5494f/FLAG8c8608f4f [2021-10-28 08:45:55,228 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:45:55,228 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c [2021-10-28 08:45:55,245 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/data/2b2d2c58e/2e097a3a520042ebb425c83098f5494f/FLAG8c8608f4f [2021-10-28 08:45:55,522 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/data/2b2d2c58e/2e097a3a520042ebb425c83098f5494f [2021-10-28 08:45:55,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:45:55,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:45:55,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:45:55,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:45:55,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:45:55,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:45:55" (1/1) ... [2021-10-28 08:45:55,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bfed17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:55, skipping insertion in model container [2021-10-28 08:45:55,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:45:55" (1/1) ... [2021-10-28 08:45:55,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:45:55,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:45:56,070 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_a52b8b04-1f5e-4284-b9dc-a861f5afff36/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c[18588,18601] [2021-10-28 08:45:56,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:45:56,088 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:45:56,223 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_a52b8b04-1f5e-4284-b9dc-a861f5afff36/sv-benchmarks/c/product-lines/minepump_spec3_product49.cil.c[18588,18601] [2021-10-28 08:45:56,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:45:56,278 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:45:56,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:56 WrapperNode [2021-10-28 08:45:56,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:45:56,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:45:56,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:45:56,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:45:56,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:56" (1/1) ... [2021-10-28 08:45:56,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:56" (1/1) ... [2021-10-28 08:45:56,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:45:56,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:45:56,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:45:56,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:45:56,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:56" (1/1) ... [2021-10-28 08:45:56,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:56" (1/1) ... [2021-10-28 08:45:56,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:56" (1/1) ... [2021-10-28 08:45:56,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:56" (1/1) ... [2021-10-28 08:45:56,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:56" (1/1) ... [2021-10-28 08:45:56,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:56" (1/1) ... [2021-10-28 08:45:56,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:56" (1/1) ... [2021-10-28 08:45:56,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:45:56,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:45:56,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:45:56,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:45:56,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:56" (1/1) ... [2021-10-28 08:45:56,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:45:56,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:45:56,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:45:56,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:45:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:45:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:45:56,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:45:56,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:45:57,929 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:45:57,930 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-28 08:45:57,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:45:57 BoogieIcfgContainer [2021-10-28 08:45:57,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:45:57,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:45:57,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:45:57,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:45:57,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:45:55" (1/3) ... [2021-10-28 08:45:57,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c82b7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:45:57, skipping insertion in model container [2021-10-28 08:45:57,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:45:56" (2/3) ... [2021-10-28 08:45:57,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c82b7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:45:57, skipping insertion in model container [2021-10-28 08:45:57,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:45:57" (3/3) ... [2021-10-28 08:45:57,948 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49.cil.c [2021-10-28 08:45:57,955 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:45:57,955 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 08:45:58,034 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:45:58,052 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 08:45:58,052 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 08:45:58,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 119 states have (on average 1.5630252100840336) internal successors, (186), 122 states have internal predecessors, (186), 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 08:45:58,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 08:45:58,118 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:58,121 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 08:45:58,122 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 08:45:58,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:58,130 INFO L85 PathProgramCache]: Analyzing trace with hash 641779472, now seen corresponding path program 1 times [2021-10-28 08:45:58,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:58,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510850290] [2021-10-28 08:45:58,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:58,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:58,592 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 08:45:58,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:58,594 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510850290] [2021-10-28 08:45:58,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510850290] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:58,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:58,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:45:58,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54294660] [2021-10-28 08:45:58,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 08:45:58,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:58,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 08:45:58,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:45:58,648 INFO L87 Difference]: Start difference. First operand has 123 states, 119 states have (on average 1.5630252100840336) internal successors, (186), 122 states have internal predecessors, (186), 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 08:45:58,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:58,717 INFO L93 Difference]: Finished difference Result 240 states and 365 transitions. [2021-10-28 08:45:58,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 08:45:58,719 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 08:45:58,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:58,737 INFO L225 Difference]: With dead ends: 240 [2021-10-28 08:45:58,738 INFO L226 Difference]: Without dead ends: 119 [2021-10-28 08:45:58,743 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 08:45:58,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-10-28 08:45:58,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-10-28 08:45:58,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 116 states have (on average 1.5) internal successors, (174), 118 states have internal predecessors, (174), 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 08:45:58,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2021-10-28 08:45:58,823 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 18 [2021-10-28 08:45:58,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:58,824 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2021-10-28 08:45:58,825 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 08:45:58,825 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2021-10-28 08:45:58,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 08:45:58,830 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:58,830 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 08:45:58,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:45:58,831 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 08:45:58,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:58,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1103918604, now seen corresponding path program 1 times [2021-10-28 08:45:58,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:58,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230988926] [2021-10-28 08:45:58,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:58,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:58,996 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 08:45:58,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:58,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230988926] [2021-10-28 08:45:58,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230988926] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:58,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:58,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:45:58,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068061482] [2021-10-28 08:45:58,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:58,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:59,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:59,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:59,001 INFO L87 Difference]: Start difference. First operand 119 states and 174 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 08:45:59,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:59,014 INFO L93 Difference]: Finished difference Result 119 states and 174 transitions. [2021-10-28 08:45:59,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:59,015 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 08:45:59,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:59,017 INFO L225 Difference]: With dead ends: 119 [2021-10-28 08:45:59,017 INFO L226 Difference]: Without dead ends: 49 [2021-10-28 08:45:59,018 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 08:45:59,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-28 08:45:59,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-28 08:45:59,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 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 08:45:59,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-28 08:45:59,025 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-28 08:45:59,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:59,025 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-28 08:45:59,026 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 08:45:59,026 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-28 08:45:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 08:45:59,027 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:59,028 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 08:45:59,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:45:59,028 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 08:45:59,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:59,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1148023213, now seen corresponding path program 1 times [2021-10-28 08:45:59,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:59,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923178642] [2021-10-28 08:45:59,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:59,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:59,151 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 08:45:59,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:59,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923178642] [2021-10-28 08:45:59,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923178642] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:59,153 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:59,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:45:59,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646419110] [2021-10-28 08:45:59,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:59,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:59,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:59,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:59,156 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:59,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:59,166 INFO L93 Difference]: Finished difference Result 92 states and 136 transitions. [2021-10-28 08:45:59,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:59,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-28 08:45:59,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:59,168 INFO L225 Difference]: With dead ends: 92 [2021-10-28 08:45:59,169 INFO L226 Difference]: Without dead ends: 49 [2021-10-28 08:45:59,169 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 08:45:59,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-28 08:45:59,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-28 08:45:59,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 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 08:45:59,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-28 08:45:59,179 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-10-28 08:45:59,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:59,180 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-28 08:45:59,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:59,180 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-28 08:45:59,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 08:45:59,182 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:59,182 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 08:45:59,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 08:45:59,183 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 08:45:59,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:59,183 INFO L85 PathProgramCache]: Analyzing trace with hash -43063729, now seen corresponding path program 1 times [2021-10-28 08:45:59,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:59,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549241234] [2021-10-28 08:45:59,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:59,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:59,318 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 08:45:59,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:59,318 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549241234] [2021-10-28 08:45:59,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549241234] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:59,323 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:59,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:45:59,324 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18264810] [2021-10-28 08:45:59,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:45:59,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:59,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:45:59,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:45:59,326 INFO L87 Difference]: Start difference. First operand 49 states and 70 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 08:45:59,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:59,405 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2021-10-28 08:45:59,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:45:59,406 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 08:45:59,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:59,407 INFO L225 Difference]: With dead ends: 115 [2021-10-28 08:45:59,408 INFO L226 Difference]: Without dead ends: 72 [2021-10-28 08:45:59,408 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 08:45:59,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2021-10-28 08:45:59,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2021-10-28 08:45:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.434782608695652) internal successors, (99), 69 states have internal predecessors, (99), 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 08:45:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 99 transitions. [2021-10-28 08:45:59,418 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 99 transitions. Word has length 26 [2021-10-28 08:45:59,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:59,419 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 99 transitions. [2021-10-28 08:45:59,419 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 08:45:59,419 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 99 transitions. [2021-10-28 08:45:59,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 08:45:59,421 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:59,421 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 08:45:59,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 08:45:59,422 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 08:45:59,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:59,423 INFO L85 PathProgramCache]: Analyzing trace with hash -743213728, now seen corresponding path program 1 times [2021-10-28 08:45:59,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:59,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061462602] [2021-10-28 08:45:59,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:59,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:59,562 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 08:45:59,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:59,563 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061462602] [2021-10-28 08:45:59,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061462602] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:59,563 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:59,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:45:59,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648141572] [2021-10-28 08:45:59,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:45:59,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:59,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:45:59,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:45:59,566 INFO L87 Difference]: Start difference. First operand 70 states and 99 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 08:45:59,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:45:59,686 INFO L93 Difference]: Finished difference Result 187 states and 263 transitions. [2021-10-28 08:45:59,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 08:45:59,687 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 08:45:59,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:45:59,690 INFO L225 Difference]: With dead ends: 187 [2021-10-28 08:45:59,691 INFO L226 Difference]: Without dead ends: 123 [2021-10-28 08:45:59,693 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 08:45:59,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-10-28 08:45:59,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 76. [2021-10-28 08:45:59,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.4) internal successors, (105), 75 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:45:59,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2021-10-28 08:45:59,725 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 32 [2021-10-28 08:45:59,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:45:59,728 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2021-10-28 08:45:59,729 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 08:45:59,729 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2021-10-28 08:45:59,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 08:45:59,732 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:45:59,733 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 08:45:59,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 08:45:59,733 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 08:45:59,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:45:59,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1870609821, now seen corresponding path program 1 times [2021-10-28 08:45:59,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:45:59,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489729872] [2021-10-28 08:45:59,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:45:59,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:45:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:45:59,886 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 08:45:59,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:45:59,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489729872] [2021-10-28 08:45:59,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489729872] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:45:59,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:45:59,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:45:59,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345642915] [2021-10-28 08:45:59,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:45:59,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:45:59,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:45:59,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:45:59,898 INFO L87 Difference]: Start difference. First operand 76 states and 105 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 08:46:00,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:46:00,045 INFO L93 Difference]: Finished difference Result 381 states and 542 transitions. [2021-10-28 08:46:00,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:46:00,047 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 08:46:00,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:46:00,058 INFO L225 Difference]: With dead ends: 381 [2021-10-28 08:46:00,059 INFO L226 Difference]: Without dead ends: 311 [2021-10-28 08:46:00,062 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:46:00,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-10-28 08:46:00,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2021-10-28 08:46:00,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 122 states have (on average 1.3688524590163935) internal successors, (167), 122 states have internal predecessors, (167), 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 08:46:00,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions. [2021-10-28 08:46:00,100 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 32 [2021-10-28 08:46:00,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:46:00,100 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions. [2021-10-28 08:46:00,101 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 08:46:00,101 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2021-10-28 08:46:00,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 08:46:00,109 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:46:00,109 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 08:46:00,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 08:46:00,110 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 08:46:00,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:46:00,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1353310945, now seen corresponding path program 1 times [2021-10-28 08:46:00,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:46:00,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491905607] [2021-10-28 08:46:00,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:46:00,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:46:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:46:00,221 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 08:46:00,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:46:00,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491905607] [2021-10-28 08:46:00,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491905607] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:46:00,225 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:46:00,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:46:00,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939303032] [2021-10-28 08:46:00,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:46:00,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:46:00,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:46:00,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:46:00,228 INFO L87 Difference]: Start difference. First operand 123 states and 167 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:46:00,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:46:00,340 INFO L93 Difference]: Finished difference Result 254 states and 351 transitions. [2021-10-28 08:46:00,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:46:00,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 08:46:00,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:46:00,345 INFO L225 Difference]: With dead ends: 254 [2021-10-28 08:46:00,345 INFO L226 Difference]: Without dead ends: 184 [2021-10-28 08:46:00,346 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:46:00,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2021-10-28 08:46:00,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 181. [2021-10-28 08:46:00,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 180 states have (on average 1.3666666666666667) internal successors, (246), 180 states have internal predecessors, (246), 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 08:46:00,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 246 transitions. [2021-10-28 08:46:00,379 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 246 transitions. Word has length 33 [2021-10-28 08:46:00,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:46:00,380 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 246 transitions. [2021-10-28 08:46:00,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:46:00,380 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 246 transitions. [2021-10-28 08:46:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 08:46:00,382 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:46:00,382 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:46:00,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 08:46:00,383 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 08:46:00,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:46:00,384 INFO L85 PathProgramCache]: Analyzing trace with hash 342193695, now seen corresponding path program 1 times [2021-10-28 08:46:00,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:46:00,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166717898] [2021-10-28 08:46:00,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:46:00,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:46:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:46:00,446 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 08:46:00,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:46:00,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166717898] [2021-10-28 08:46:00,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166717898] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:46:00,447 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:46:00,448 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:46:00,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555625162] [2021-10-28 08:46:00,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:46:00,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:46:00,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:46:00,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:46:00,450 INFO L87 Difference]: Start difference. First operand 181 states and 246 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 08:46:00,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:46:00,519 INFO L93 Difference]: Finished difference Result 428 states and 593 transitions. [2021-10-28 08:46:00,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:46:00,520 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 08:46:00,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:46:00,523 INFO L225 Difference]: With dead ends: 428 [2021-10-28 08:46:00,524 INFO L226 Difference]: Without dead ends: 299 [2021-10-28 08:46:00,525 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 08:46:00,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-10-28 08:46:00,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 175. [2021-10-28 08:46:00,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 174 states have (on average 1.367816091954023) internal successors, (238), 174 states have internal predecessors, (238), 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 08:46:00,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 238 transitions. [2021-10-28 08:46:00,546 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 238 transitions. Word has length 33 [2021-10-28 08:46:00,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:46:00,556 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 238 transitions. [2021-10-28 08:46:00,557 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 08:46:00,557 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 238 transitions. [2021-10-28 08:46:00,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 08:46:00,558 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:46:00,559 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 08:46:00,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 08:46:00,559 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 08:46:00,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:46:00,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1727755226, now seen corresponding path program 1 times [2021-10-28 08:46:00,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:46:00,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149016800] [2021-10-28 08:46:00,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:46:00,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:46:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:46:00,640 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 08:46:00,640 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:46:00,640 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149016800] [2021-10-28 08:46:00,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149016800] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:46:00,641 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:46:00,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 08:46:00,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588347022] [2021-10-28 08:46:00,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 08:46:00,642 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:46:00,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 08:46:00,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:46:00,643 INFO L87 Difference]: Start difference. First operand 175 states and 238 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 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 08:46:00,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:46:00,937 INFO L93 Difference]: Finished difference Result 514 states and 710 transitions. [2021-10-28 08:46:00,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 08:46:00,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 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 08:46:00,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:46:00,941 INFO L225 Difference]: With dead ends: 514 [2021-10-28 08:46:00,941 INFO L226 Difference]: Without dead ends: 345 [2021-10-28 08:46:00,942 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-10-28 08:46:00,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2021-10-28 08:46:00,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 154. [2021-10-28 08:46:00,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.3202614379084967) internal successors, (202), 153 states have internal predecessors, (202), 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 08:46:00,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 202 transitions. [2021-10-28 08:46:00,967 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 202 transitions. Word has length 33 [2021-10-28 08:46:00,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:46:00,969 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 202 transitions. [2021-10-28 08:46:00,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 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 08:46:00,970 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 202 transitions. [2021-10-28 08:46:00,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 08:46:00,976 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:46:00,976 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 08:46:00,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 08:46:00,977 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 08:46:00,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:46:00,978 INFO L85 PathProgramCache]: Analyzing trace with hash 600359133, now seen corresponding path program 1 times [2021-10-28 08:46:00,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:46:00,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839534752] [2021-10-28 08:46:00,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:46:00,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:46:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:46:01,086 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 08:46:01,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:46:01,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839534752] [2021-10-28 08:46:01,087 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839534752] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:46:01,087 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:46:01,087 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:46:01,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172105124] [2021-10-28 08:46:01,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:46:01,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:46:01,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:46:01,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:46:01,091 INFO L87 Difference]: Start difference. First operand 154 states and 202 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:46:01,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:46:01,160 INFO L93 Difference]: Finished difference Result 391 states and 522 transitions. [2021-10-28 08:46:01,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:46:01,161 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 08:46:01,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:46:01,166 INFO L225 Difference]: With dead ends: 391 [2021-10-28 08:46:01,166 INFO L226 Difference]: Without dead ends: 243 [2021-10-28 08:46:01,167 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 08:46:01,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2021-10-28 08:46:01,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 142. [2021-10-28 08:46:01,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.297872340425532) internal successors, (183), 141 states have internal predecessors, (183), 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 08:46:01,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 183 transitions. [2021-10-28 08:46:01,188 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 183 transitions. Word has length 33 [2021-10-28 08:46:01,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:46:01,188 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 183 transitions. [2021-10-28 08:46:01,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:46:01,189 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 183 transitions. [2021-10-28 08:46:01,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-28 08:46:01,190 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:46:01,195 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:46:01,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 08:46:01,195 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 08:46:01,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:46:01,196 INFO L85 PathProgramCache]: Analyzing trace with hash 241491333, now seen corresponding path program 1 times [2021-10-28 08:46:01,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:46:01,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861313611] [2021-10-28 08:46:01,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:46:01,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:46:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:46:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 08:46:01,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:46:01,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861313611] [2021-10-28 08:46:01,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861313611] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:46:01,260 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:46:01,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:46:01,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549195314] [2021-10-28 08:46:01,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:46:01,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:46:01,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:46:01,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:46:01,263 INFO L87 Difference]: Start difference. First operand 142 states and 183 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 08:46:01,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:46:01,306 INFO L93 Difference]: Finished difference Result 285 states and 375 transitions. [2021-10-28 08:46:01,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:46:01,307 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-10-28 08:46:01,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:46:01,310 INFO L225 Difference]: With dead ends: 285 [2021-10-28 08:46:01,310 INFO L226 Difference]: Without dead ends: 175 [2021-10-28 08:46:01,311 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 08:46:01,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-10-28 08:46:01,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 126. [2021-10-28 08:46:01,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 125 states have (on average 1.304) internal successors, (163), 125 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 08:46:01,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 163 transitions. [2021-10-28 08:46:01,329 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 163 transitions. Word has length 52 [2021-10-28 08:46:01,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:46:01,329 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 163 transitions. [2021-10-28 08:46:01,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 08:46:01,330 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 163 transitions. [2021-10-28 08:46:01,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-28 08:46:01,331 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:46:01,332 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:46:01,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 08:46:01,333 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 08:46:01,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:46:01,334 INFO L85 PathProgramCache]: Analyzing trace with hash -330933439, now seen corresponding path program 1 times [2021-10-28 08:46:01,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:46:01,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589272020] [2021-10-28 08:46:01,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:46:01,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:46:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:46:01,435 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:46:01,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:46:01,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589272020] [2021-10-28 08:46:01,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589272020] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:46:01,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:46:01,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:46:01,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186180707] [2021-10-28 08:46:01,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:46:01,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:46:01,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:46:01,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:46:01,438 INFO L87 Difference]: Start difference. First operand 126 states and 163 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 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 08:46:01,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:46:01,579 INFO L93 Difference]: Finished difference Result 656 states and 844 transitions. [2021-10-28 08:46:01,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 08:46:01,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 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 53 [2021-10-28 08:46:01,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:46:01,585 INFO L225 Difference]: With dead ends: 656 [2021-10-28 08:46:01,585 INFO L226 Difference]: Without dead ends: 536 [2021-10-28 08:46:01,586 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 08:46:01,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-10-28 08:46:01,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 244. [2021-10-28 08:46:01,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 243 states have (on average 1.2757201646090535) internal successors, (310), 243 states have internal predecessors, (310), 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 08:46:01,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 310 transitions. [2021-10-28 08:46:01,627 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 310 transitions. Word has length 53 [2021-10-28 08:46:01,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:46:01,628 INFO L470 AbstractCegarLoop]: Abstraction has 244 states and 310 transitions. [2021-10-28 08:46:01,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 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 08:46:01,628 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 310 transitions. [2021-10-28 08:46:01,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-28 08:46:01,629 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:46:01,629 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:46:01,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 08:46:01,630 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:46:01,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:46:01,631 INFO L85 PathProgramCache]: Analyzing trace with hash -454216901, now seen corresponding path program 1 times [2021-10-28 08:46:01,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:46:01,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894425066] [2021-10-28 08:46:01,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:46:01,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:46:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:46:01,731 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 08:46:01,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:46:01,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894425066] [2021-10-28 08:46:01,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894425066] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:46:01,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:46:01,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:46:01,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238189513] [2021-10-28 08:46:01,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:46:01,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:46:01,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:46:01,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:46:01,735 INFO L87 Difference]: Start difference. First operand 244 states and 310 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 08:46:01,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:46:01,813 INFO L93 Difference]: Finished difference Result 516 states and 670 transitions. [2021-10-28 08:46:01,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 08:46:01,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-28 08:46:01,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:46:01,817 INFO L225 Difference]: With dead ends: 516 [2021-10-28 08:46:01,817 INFO L226 Difference]: Without dead ends: 330 [2021-10-28 08:46:01,818 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 08:46:01,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2021-10-28 08:46:01,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 250. [2021-10-28 08:46:01,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 249 states have (on average 1.2690763052208835) internal successors, (316), 249 states have internal predecessors, (316), 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 08:46:01,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 316 transitions. [2021-10-28 08:46:01,855 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 316 transitions. Word has length 54 [2021-10-28 08:46:01,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:46:01,857 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 316 transitions. [2021-10-28 08:46:01,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 08:46:01,857 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 316 transitions. [2021-10-28 08:46:01,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-28 08:46:01,858 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:46:01,859 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:46:01,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 08:46:01,859 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:46:01,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:46:01,860 INFO L85 PathProgramCache]: Analyzing trace with hash -196051463, now seen corresponding path program 1 times [2021-10-28 08:46:01,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:46:01,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565496172] [2021-10-28 08:46:01,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:46:01,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:46:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:46:01,947 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 08:46:01,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:46:01,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565496172] [2021-10-28 08:46:01,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565496172] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:46:01,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415013361] [2021-10-28 08:46:01,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:46:01,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:46:01,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:46:01,955 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:46:01,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 08:46:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:46:02,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 08:46:02,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:46:02,548 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 08:46:02,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415013361] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:46:02,548 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:46:02,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-28 08:46:02,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507970656] [2021-10-28 08:46:02,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 08:46:02,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:46:02,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 08:46:02,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:46:02,552 INFO L87 Difference]: Start difference. First operand 250 states and 316 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 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 08:46:02,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:46:02,746 INFO L93 Difference]: Finished difference Result 608 states and 764 transitions. [2021-10-28 08:46:02,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 08:46:02,746 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-28 08:46:02,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:46:02,750 INFO L225 Difference]: With dead ends: 608 [2021-10-28 08:46:02,750 INFO L226 Difference]: Without dead ends: 364 [2021-10-28 08:46:02,751 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-28 08:46:02,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-10-28 08:46:02,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 236. [2021-10-28 08:46:02,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 235 states have (on average 1.2297872340425533) internal successors, (289), 235 states have internal predecessors, (289), 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 08:46:02,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 289 transitions. [2021-10-28 08:46:02,789 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 289 transitions. Word has length 54 [2021-10-28 08:46:02,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:46:02,790 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 289 transitions. [2021-10-28 08:46:02,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 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 08:46:02,790 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 289 transitions. [2021-10-28 08:46:02,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-28 08:46:02,791 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:46:02,791 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] [2021-10-28 08:46:02,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:46:03,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-28 08:46:03,018 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:46:03,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:46:03,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1751298828, now seen corresponding path program 1 times [2021-10-28 08:46:03,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:46:03,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142898508] [2021-10-28 08:46:03,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:46:03,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:46:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:46:03,114 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 08:46:03,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:46:03,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142898508] [2021-10-28 08:46:03,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142898508] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:46:03,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155180477] [2021-10-28 08:46:03,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:46:03,119 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:46:03,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:46:03,127 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:46:03,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 08:46:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:46:03,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 08:46:03,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:46:03,525 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 08:46:03,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155180477] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:46:03,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:46:03,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2021-10-28 08:46:03,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843726510] [2021-10-28 08:46:03,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 08:46:03,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:46:03,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 08:46:03,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:46:03,531 INFO L87 Difference]: Start difference. First operand 236 states and 289 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 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 08:46:03,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:46:03,810 INFO L93 Difference]: Finished difference Result 814 states and 1020 transitions. [2021-10-28 08:46:03,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 08:46:03,811 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 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 55 [2021-10-28 08:46:03,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:46:03,812 INFO L225 Difference]: With dead ends: 814 [2021-10-28 08:46:03,812 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:46:03,816 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2021-10-28 08:46:03,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:46:03,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:46:03,816 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 08:46:03,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:46:03,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-10-28 08:46:03,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:46:03,817 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:46:03,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 6 states have internal predecessors, (62), 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 08:46:03,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:46:03,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:46:03,822 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:46:03,822 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:46:03,823 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:46:03,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:46:04,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-28 08:46:04,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:46:04,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:04,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:05,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:06,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:06,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:06,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:06,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:06,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:06,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:46:12,526 INFO L853 garLoopResultBuilder]: At program point L68-3(lines 67 86) the Hoare annotation is: false [2021-10-28 08:46:12,527 INFO L860 garLoopResultBuilder]: At program point L960(lines 941 963) the Hoare annotation is: true [2021-10-28 08:46:12,527 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2021-10-28 08:46:12,527 INFO L853 garLoopResultBuilder]: At program point L498(lines 493 501) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:46:12,536 INFO L853 garLoopResultBuilder]: At program point L234(lines 219 237) the Hoare annotation is: false [2021-10-28 08:46:12,537 INFO L853 garLoopResultBuilder]: At program point L234-1(lines 219 237) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse12 (<= ~waterLevel~0 1)) (.cse13 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse5 (= 1 ~systemActive~0)) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse10 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse11 .cse12 .cse13 .cse14 .cse5 .cse10 .cse15) (and .cse0 .cse1 .cse11 .cse3 .cse12 .cse13 .cse14 .cse5 .cse15))) [2021-10-28 08:46:12,537 INFO L853 garLoopResultBuilder]: At program point L234-2(lines 219 237) the Hoare annotation is: false [2021-10-28 08:46:12,537 INFO L853 garLoopResultBuilder]: At program point L234-3(lines 219 237) the Hoare annotation is: false [2021-10-28 08:46:12,537 INFO L853 garLoopResultBuilder]: At program point L234-4(lines 219 237) the Hoare annotation is: false [2021-10-28 08:46:12,538 INFO L853 garLoopResultBuilder]: At program point L234-5(lines 219 237) the Hoare annotation is: false [2021-10-28 08:46:12,538 INFO L853 garLoopResultBuilder]: At program point L928(lines 924 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:46:12,538 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 312) no Hoare annotation was computed. [2021-10-28 08:46:12,538 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 372) no Hoare annotation was computed. [2021-10-28 08:46:12,538 INFO L857 garLoopResultBuilder]: For program point L368-3(lines 368 372) no Hoare annotation was computed. [2021-10-28 08:46:12,539 INFO L857 garLoopResultBuilder]: For program point L368-6(lines 368 372) no Hoare annotation was computed. [2021-10-28 08:46:12,539 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 112) no Hoare annotation was computed. [2021-10-28 08:46:12,539 INFO L857 garLoopResultBuilder]: For program point L104-1(lines 104 112) no Hoare annotation was computed. [2021-10-28 08:46:12,539 INFO L857 garLoopResultBuilder]: For program point L104-2(lines 104 112) no Hoare annotation was computed. [2021-10-28 08:46:12,539 INFO L857 garLoopResultBuilder]: For program point L104-3(lines 104 112) no Hoare annotation was computed. [2021-10-28 08:46:12,540 INFO L857 garLoopResultBuilder]: For program point L104-4(lines 104 112) no Hoare annotation was computed. [2021-10-28 08:46:12,540 INFO L857 garLoopResultBuilder]: For program point L104-5(lines 104 112) no Hoare annotation was computed. [2021-10-28 08:46:12,540 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 357) no Hoare annotation was computed. [2021-10-28 08:46:12,540 INFO L857 garLoopResultBuilder]: For program point L337-2(lines 337 357) no Hoare annotation was computed. [2021-10-28 08:46:12,540 INFO L857 garLoopResultBuilder]: For program point L337-4(lines 337 357) no Hoare annotation was computed. [2021-10-28 08:46:12,541 INFO L853 garLoopResultBuilder]: At program point L437(lines 432 440) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse9 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse10 (<= ~waterLevel~0 1)) (.cse6 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (not .cse3) .cse4 .cse5 (<= 2 ~waterLevel~0) .cse6 (<= ~waterLevel~0 2) .cse7 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8) (and .cse9 .cse0 .cse1 .cse2 .cse4 .cse5 .cse10 .cse6 .cse7 (= ULTIMATE.start_processEnvironment_~tmp~1 0) .cse8) (and .cse9 .cse0 .cse3 .cse2 .cse4 .cse5 .cse10 .cse6))) [2021-10-28 08:46:12,541 INFO L853 garLoopResultBuilder]: At program point L437-1(lines 432 440) the Hoare annotation is: false [2021-10-28 08:46:12,541 INFO L853 garLoopResultBuilder]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2021-10-28 08:46:12,541 INFO L857 garLoopResultBuilder]: For program point L272(lines 271 316) no Hoare annotation was computed. [2021-10-28 08:46:12,541 INFO L853 garLoopResultBuilder]: At program point L405(lines 400 408) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0))) (let ((.cse10 (= ULTIMATE.start_processEnvironment_~tmp~1 0)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (not .cse1)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse13 (<= 2 ~waterLevel~0)) (.cse14 (<= ~waterLevel~0 2)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse15 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 1)) (.cse16 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= ~waterLevel~0 1)) (.cse5 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse4 .cse5 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse0 .cse6 .cse7 .cse13 .cse5 .cse8 .cse14 .cse9 .cse15 .cse16 .cse11 .cse12) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse4 .cse5 .cse9 .cse10 .cse12) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse13 .cse5 .cse14 .cse9 .cse15 .cse16 .cse12) (and .cse0 .cse1 .cse4 .cse5 .cse8 .cse11)))) [2021-10-28 08:46:12,542 INFO L853 garLoopResultBuilder]: At program point L405-1(lines 400 408) the Hoare annotation is: false [2021-10-28 08:46:12,542 INFO L853 garLoopResultBuilder]: At program point L405-2(lines 400 408) the Hoare annotation is: false [2021-10-28 08:46:12,542 INFO L857 garLoopResultBuilder]: For program point L273(lines 273 277) no Hoare annotation was computed. [2021-10-28 08:46:12,542 INFO L853 garLoopResultBuilder]: At program point L75(lines 75 81) the Hoare annotation is: (let ((.cse12 (= ~pumpRunning~0 0))) (let ((.cse4 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse8 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 1)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not .cse12)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse13 (<= ~waterLevel~0 1)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse14 (= ULTIMATE.start_processEnvironment_~tmp~1 0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse11 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse12 .cse3 .cse13 .cse5) (and .cse0 .cse1 .cse2 .cse13 .cse5 .cse11 .cse7 .cse14 .cse10) (and .cse0 .cse12 .cse13 .cse5 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse13 .cse5 .cse7 .cse14 .cse10)))) [2021-10-28 08:46:12,543 INFO L853 garLoopResultBuilder]: At program point L75-1(lines 75 81) the Hoare annotation is: false [2021-10-28 08:46:12,543 INFO L853 garLoopResultBuilder]: At program point L75-2(lines 75 81) the Hoare annotation is: false [2021-10-28 08:46:12,543 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2021-10-28 08:46:12,543 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 311) no Hoare annotation was computed. [2021-10-28 08:46:12,543 INFO L857 garLoopResultBuilder]: For program point L307-2(lines 68 74) no Hoare annotation was computed. [2021-10-28 08:46:12,544 INFO L857 garLoopResultBuilder]: For program point L969(line 969) no Hoare annotation was computed. [2021-10-28 08:46:12,544 INFO L857 garLoopResultBuilder]: For program point L969-1(line 969) no Hoare annotation was computed. [2021-10-28 08:46:12,544 INFO L857 garLoopResultBuilder]: For program point L969-2(line 969) no Hoare annotation was computed. [2021-10-28 08:46:12,544 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 356) no Hoare annotation was computed. [2021-10-28 08:46:12,544 INFO L853 garLoopResultBuilder]: At program point L343-1(lines 1 972) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0))) (let ((.cse19 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse8 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse18 (= ULTIMATE.start_processEnvironment_~tmp~1 0)) (.cse20 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3 1)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse9 (not .cse1)) (.cse12 (<= 2 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse13 (<= ~waterLevel~0 2)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse15 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 1)) (.cse16 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse6 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 1)) (.cse17 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse3 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse0 .cse7 .cse9 .cse2 .cse3 .cse4 .cse14 .cse18 .cse5 .cse6 .cse17) (and .cse19 .cse0 .cse1 .cse8 .cse10 .cse11 .cse2 .cse3 .cse20) (and .cse19 .cse0 .cse7 .cse8 .cse9 .cse10 .cse11 .cse2 .cse3 .cse14 .cse18 .cse20 .cse17) (and .cse0 .cse7 .cse9 .cse12 .cse3 .cse4 .cse13 .cse14 .cse15 .cse16 .cse5 .cse6 .cse17) (and .cse0 .cse1 .cse11 .cse3 (= ~waterLevel~0 1))))) [2021-10-28 08:46:12,545 INFO L857 garLoopResultBuilder]: For program point L343-2(lines 343 356) no Hoare annotation was computed. [2021-10-28 08:46:12,545 INFO L853 garLoopResultBuilder]: At program point L343-3(lines 1 972) the Hoare annotation is: false [2021-10-28 08:46:12,545 INFO L857 garLoopResultBuilder]: For program point L343-4(lines 343 356) no Hoare annotation was computed. [2021-10-28 08:46:12,545 INFO L853 garLoopResultBuilder]: At program point L343-5(lines 1 972) the Hoare annotation is: false [2021-10-28 08:46:12,545 INFO L853 garLoopResultBuilder]: At program point L179(lines 174 182) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 1) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 0) (not (= ~pumpRunning~0 0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ~methaneLevelCritical~0 0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2) (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) [2021-10-28 08:46:12,546 INFO L853 garLoopResultBuilder]: At program point L179-1(lines 174 182) the Hoare annotation is: false [2021-10-28 08:46:12,546 INFO L853 garLoopResultBuilder]: At program point L179-2(lines 174 182) the Hoare annotation is: false [2021-10-28 08:46:12,547 INFO L857 garLoopResultBuilder]: For program point L445(lines 445 451) no Hoare annotation was computed. [2021-10-28 08:46:12,547 INFO L857 garLoopResultBuilder]: For program point L445-1(lines 445 451) no Hoare annotation was computed. [2021-10-28 08:46:12,547 INFO L857 garLoopResultBuilder]: For program point L445-2(lines 445 451) no Hoare annotation was computed. [2021-10-28 08:46:12,547 INFO L857 garLoopResultBuilder]: For program point L445-3(lines 445 451) no Hoare annotation was computed. [2021-10-28 08:46:12,548 INFO L857 garLoopResultBuilder]: For program point L445-4(lines 445 451) no Hoare annotation was computed. [2021-10-28 08:46:12,548 INFO L857 garLoopResultBuilder]: For program point L445-5(lines 445 451) no Hoare annotation was computed. [2021-10-28 08:46:12,548 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 251) no Hoare annotation was computed. [2021-10-28 08:46:12,548 INFO L857 garLoopResultBuilder]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2021-10-28 08:46:12,548 INFO L857 garLoopResultBuilder]: For program point L247-3(lines 247 251) no Hoare annotation was computed. [2021-10-28 08:46:12,548 INFO L857 garLoopResultBuilder]: For program point L247-5(lines 247 251) no Hoare annotation was computed. [2021-10-28 08:46:12,549 INFO L857 garLoopResultBuilder]: For program point L247-6(lines 247 251) no Hoare annotation was computed. [2021-10-28 08:46:12,549 INFO L857 garLoopResultBuilder]: For program point L247-8(lines 247 251) no Hoare annotation was computed. [2021-10-28 08:46:12,549 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 384) no Hoare annotation was computed. [2021-10-28 08:46:12,549 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 353) no Hoare annotation was computed. [2021-10-28 08:46:12,549 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 287) no Hoare annotation was computed. [2021-10-28 08:46:12,549 INFO L857 garLoopResultBuilder]: For program point L347-2(lines 347 353) no Hoare annotation was computed. [2021-10-28 08:46:12,550 INFO L853 garLoopResultBuilder]: At program point L281-1(lines 281 287) the Hoare annotation is: (let ((.cse19 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse13 (<= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse14 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse11 (<= ~waterLevel~0 1)) (.cse6 (= ULTIMATE.start_processEnvironment_~tmp~1 0)) (.cse17 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~3 1)) (.cse18 (let ((.cse20 (not .cse10))) (or (and .cse0 .cse20 .cse2 .cse5 .cse19) (and .cse0 .cse20 .cse13 .cse2 .cse5)))) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse15 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 0)) (.cse16 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~5 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse11 .cse2 .cse3 .cse7 .cse8) (and .cse0 .cse10 .cse12 .cse13 .cse2 .cse4) (and .cse14 .cse0 .cse10 .cse15 .cse16 .cse12 .cse2 .cse4 .cse17) (and .cse18 .cse1 .cse3 .cse4 .cse7 .cse8 .cse9) (and .cse14 .cse0 .cse1 .cse15 .cse16 .cse12 .cse11 .cse2 .cse5 .cse6 .cse17 .cse9) (and .cse18 .cse1 .cse15 .cse16 .cse12 .cse4 .cse9) (and .cse0 .cse10 .cse12 .cse2 .cse19) (and .cse0 .cse10 .cse13 .cse2 .cse3 .cse4 .cse7 .cse8)))) [2021-10-28 08:46:12,550 INFO L857 garLoopResultBuilder]: For program point L347-4(lines 347 353) no Hoare annotation was computed. [2021-10-28 08:46:12,550 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:46:12,550 INFO L853 garLoopResultBuilder]: At program point L317(lines 270 318) the Hoare annotation is: false [2021-10-28 08:46:12,551 INFO L853 garLoopResultBuilder]: At program point L450(lines 441 454) the Hoare annotation is: false [2021-10-28 08:46:12,551 INFO L853 garLoopResultBuilder]: At program point L450-1(lines 441 454) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse8 .cse3 .cse4) (and .cse0 .cse1 .cse9 .cse7 .cse8 .cse3) (and .cse0 .cse1 .cse9 .cse2 .cse3 .cse5 .cse6))) [2021-10-28 08:46:12,551 INFO L853 garLoopResultBuilder]: At program point L450-2(lines 441 454) the Hoare annotation is: false [2021-10-28 08:46:12,551 INFO L853 garLoopResultBuilder]: At program point L450-3(lines 441 454) the Hoare annotation is: false [2021-10-28 08:46:12,551 INFO L853 garLoopResultBuilder]: At program point L450-4(lines 441 454) the Hoare annotation is: false [2021-10-28 08:46:12,552 INFO L853 garLoopResultBuilder]: At program point L450-5(lines 441 454) the Hoare annotation is: false [2021-10-28 08:46:12,552 INFO L853 garLoopResultBuilder]: At program point L880-2(lines 880 894) the Hoare annotation is: false [2021-10-28 08:46:12,552 INFO L853 garLoopResultBuilder]: At program point L253(lines 238 256) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse5 .cse6))) [2021-10-28 08:46:12,552 INFO L853 garLoopResultBuilder]: At program point L253-1(lines 238 256) the Hoare annotation is: false [2021-10-28 08:46:12,552 INFO L853 garLoopResultBuilder]: At program point L253-2(lines 238 256) the Hoare annotation is: false [2021-10-28 08:46:12,553 INFO L857 garLoopResultBuilder]: For program point L881(line 881) no Hoare annotation was computed. [2021-10-28 08:46:12,553 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:46:12,553 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 888) no Hoare annotation was computed. [2021-10-28 08:46:12,553 INFO L857 garLoopResultBuilder]: For program point L884-1(lines 68 74) no Hoare annotation was computed. [2021-10-28 08:46:12,553 INFO L857 garLoopResultBuilder]: For program point L951(lines 951 958) no Hoare annotation was computed. [2021-10-28 08:46:12,553 INFO L860 garLoopResultBuilder]: At program point L951-1(lines 951 958) the Hoare annotation is: true [2021-10-28 08:46:12,554 INFO L857 garLoopResultBuilder]: For program point L291(lines 291 297) no Hoare annotation was computed. [2021-10-28 08:46:12,554 INFO L853 garLoopResultBuilder]: At program point L291-1(lines 291 297) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse7 (= ~methaneLevelCritical~0 0)) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~1 0)) (.cse5 (let ((.cse11 (not .cse1))) (or (and .cse0 .cse11 .cse2 .cse9 (= ~waterLevel~0 1)) (and .cse0 .cse11 (<= 2 ~waterLevel~0) .cse2 .cse9)))) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse4 .cse8) (and .cse0 .cse6 .cse7 (<= ~waterLevel~0 1) .cse2 .cse9 .cse10 .cse8) (and .cse0 .cse1 .cse7 .cse2 .cse4) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse9 .cse10 .cse8) (and .cse5 .cse6 .cse3 .cse4 .cse8)))) [2021-10-28 08:46:12,555 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 143) no Hoare annotation was computed. [2021-10-28 08:46:12,555 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 126 143) no Hoare annotation was computed. [2021-10-28 08:46:12,555 INFO L857 garLoopResultBuilder]: For program point L126-2(lines 126 143) no Hoare annotation was computed. [2021-10-28 08:46:12,555 INFO L853 garLoopResultBuilder]: At program point L490(lines 1 972) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:46:12,555 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:46:12,557 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 396) no Hoare annotation was computed. [2021-10-28 08:46:12,557 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 232) no Hoare annotation was computed. [2021-10-28 08:46:12,557 INFO L857 garLoopResultBuilder]: For program point L228-2(lines 228 232) no Hoare annotation was computed. [2021-10-28 08:46:12,558 INFO L857 garLoopResultBuilder]: For program point L228-3(lines 228 232) no Hoare annotation was computed. [2021-10-28 08:46:12,558 INFO L857 garLoopResultBuilder]: For program point L228-5(lines 228 232) no Hoare annotation was computed. [2021-10-28 08:46:12,559 INFO L857 garLoopResultBuilder]: For program point L228-6(lines 228 232) no Hoare annotation was computed. [2021-10-28 08:46:12,559 INFO L857 garLoopResultBuilder]: For program point L228-8(lines 228 232) no Hoare annotation was computed. [2021-10-28 08:46:12,559 INFO L857 garLoopResultBuilder]: For program point L228-9(lines 228 232) no Hoare annotation was computed. [2021-10-28 08:46:12,559 INFO L857 garLoopResultBuilder]: For program point L228-11(lines 228 232) no Hoare annotation was computed. [2021-10-28 08:46:12,560 INFO L857 garLoopResultBuilder]: For program point L228-12(lines 228 232) no Hoare annotation was computed. [2021-10-28 08:46:12,561 INFO L857 garLoopResultBuilder]: For program point L228-14(lines 228 232) no Hoare annotation was computed. [2021-10-28 08:46:12,561 INFO L857 garLoopResultBuilder]: For program point L228-15(lines 228 232) no Hoare annotation was computed. [2021-10-28 08:46:12,561 INFO L857 garLoopResultBuilder]: For program point L228-17(lines 228 232) no Hoare annotation was computed. [2021-10-28 08:46:12,561 INFO L853 garLoopResultBuilder]: At program point L460(lines 455 463) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse5 .cse6))) [2021-10-28 08:46:12,561 INFO L853 garLoopResultBuilder]: At program point L460-1(lines 455 463) the Hoare annotation is: false [2021-10-28 08:46:12,562 INFO L853 garLoopResultBuilder]: At program point L460-2(lines 455 463) the Hoare annotation is: false [2021-10-28 08:46:12,562 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 138) no Hoare annotation was computed. [2021-10-28 08:46:12,562 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 130 138) no Hoare annotation was computed. [2021-10-28 08:46:12,562 INFO L857 garLoopResultBuilder]: For program point L130-2(lines 130 138) no Hoare annotation was computed. [2021-10-28 08:46:12,562 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:46:12,563 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2021-10-28 08:46:12,563 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 117) no Hoare annotation was computed. [2021-10-28 08:46:12,563 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 100 117) no Hoare annotation was computed. [2021-10-28 08:46:12,563 INFO L857 garLoopResultBuilder]: For program point L100-2(lines 100 117) no Hoare annotation was computed. [2021-10-28 08:46:12,563 INFO L857 garLoopResultBuilder]: For program point L100-3(lines 100 117) no Hoare annotation was computed. [2021-10-28 08:46:12,563 INFO L857 garLoopResultBuilder]: For program point L100-4(lines 100 117) no Hoare annotation was computed. [2021-10-28 08:46:12,564 INFO L857 garLoopResultBuilder]: For program point L100-5(lines 100 117) no Hoare annotation was computed. [2021-10-28 08:46:12,564 INFO L853 garLoopResultBuilder]: At program point L68(lines 67 86) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse7 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse2 .cse8 .cse9) (and .cse0 .cse5 .cse7 .cse2 .cse3 .cse8 .cse9) (and .cse0 .cse1 .cse6 .cse2 .cse4))) [2021-10-28 08:46:12,564 INFO L857 garLoopResultBuilder]: For program point L68-1(lines 68 74) no Hoare annotation was computed. [2021-10-28 08:46:12,564 INFO L853 garLoopResultBuilder]: At program point L68-2(lines 67 86) the Hoare annotation is: false [2021-10-28 08:46:12,568 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:46:12,570 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:46:12,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:46:12 BoogieIcfgContainer [2021-10-28 08:46:12,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:46:12,646 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:46:12,646 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:46:12,646 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:46:12,647 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:45:57" (3/4) ... [2021-10-28 08:46:12,650 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:46:12,681 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 08:46:12,683 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 08:46:12,685 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 08:46:12,687 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 08:46:12,688 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 08:46:12,689 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:46:12,691 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:46:12,731 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && \result == 1) && tmp == 1) && tmp___0 == 1)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1)) || ((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 <= 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp == 1) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-10-28 08:46:12,732 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((splverifierCounter == 0 && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 0) && \result == 1) && tmp == 1) && tmp___0 == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && tmp___0 <= 1)) || (((((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && tmp___0 == 1)) || (((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 <= 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) [2021-10-28 08:46:12,733 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || (((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((((splverifierCounter == 0 && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp___0 == 1) [2021-10-28 08:46:12,735 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && \result == 1) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) [2021-10-28 08:46:12,735 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1) [2021-10-28 08:46:12,737 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && \result == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-10-28 08:46:12,739 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) || (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1) [2021-10-28 08:46:12,739 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 0) [2021-10-28 08:46:12,746 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1) || ((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) [2021-10-28 08:46:12,747 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) || (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1) [2021-10-28 08:46:12,748 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && \result == 0) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && \result == 0) && tmp___0 == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 1) [2021-10-28 08:46:12,749 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && !(\result == 0)) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1 [2021-10-28 08:46:12,840 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:46:12,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:46:12,842 INFO L168 Benchmark]: Toolchain (without parser) took 17313.44 ms. Allocated memory was 125.8 MB in the beginning and 234.9 MB in the end (delta: 109.1 MB). Free memory was 91.8 MB in the beginning and 145.4 MB in the end (delta: -53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:46:12,843 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory is still 41.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:46:12,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.13 ms. Allocated memory is still 125.8 MB. Free memory was 91.5 MB in the beginning and 93.1 MB in the end (delta: -1.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:46:12,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.64 ms. Allocated memory is still 125.8 MB. Free memory was 92.4 MB in the beginning and 88.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:46:12,845 INFO L168 Benchmark]: Boogie Preprocessor took 114.16 ms. Allocated memory is still 125.8 MB. Free memory was 88.9 MB in the beginning and 86.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:46:12,845 INFO L168 Benchmark]: RCFGBuilder took 1412.12 ms. Allocated memory is still 125.8 MB. Free memory was 86.1 MB in the beginning and 42.8 MB in the end (delta: 43.3 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-10-28 08:46:12,846 INFO L168 Benchmark]: TraceAbstraction took 14708.68 ms. Allocated memory was 125.8 MB in the beginning and 234.9 MB in the end (delta: 109.1 MB). Free memory was 42.1 MB in the beginning and 155.8 MB in the end (delta: -113.7 MB). Peak memory consumption was 88.0 MB. Max. memory is 16.1 GB. [2021-10-28 08:46:12,846 INFO L168 Benchmark]: Witness Printer took 194.75 ms. Allocated memory is still 234.9 MB. Free memory was 155.8 MB in the beginning and 145.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:46:12,849 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 86.0 MB. Free memory is still 41.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 749.13 ms. Allocated memory is still 125.8 MB. Free memory was 91.5 MB in the beginning and 93.1 MB in the end (delta: -1.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.64 ms. Allocated memory is still 125.8 MB. Free memory was 92.4 MB in the beginning and 88.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 114.16 ms. Allocated memory is still 125.8 MB. Free memory was 88.9 MB in the beginning and 86.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1412.12 ms. Allocated memory is still 125.8 MB. Free memory was 86.1 MB in the beginning and 42.8 MB in the end (delta: 43.3 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14708.68 ms. Allocated memory was 125.8 MB in the beginning and 234.9 MB in the end (delta: 109.1 MB). Free memory was 42.1 MB in the beginning and 155.8 MB in the end (delta: -113.7 MB). Peak memory consumption was 88.0 MB. Max. memory is 16.1 GB. * Witness Printer took 194.75 ms. Allocated memory is still 234.9 MB. Free memory was 155.8 MB in the beginning and 145.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 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: 969]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 969]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 969]: 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, 123 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 14.5s, OverallIterations: 15, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1521 SDtfs, 2108 SDslu, 2659 SDs, 0 SdLazy, 365 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 212 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=13, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 1205 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 252 NumberOfFragments, 1631 HoareAnnotationTreeSize, 45 FomulaSimplifications, 2125027 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 45 FomulaSimplificationsInter, 603033 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 660 NumberOfCodeBlocks, 660 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 643 ConstructedInterpolants, 0 QuantifiedInterpolants, 1282 SizeOfPredicates, 6 NumberOfNonLiveVariables, 879 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 86/102 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: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1) || ((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 0) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 1) && 1 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && \result == 1) && tmp == 1) && tmp___0 == 1)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1)) || ((((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 <= 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp == 1) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) || (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && \result == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && \result == 1) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) || (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || (((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((((splverifierCounter == 0 && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp___0 == 1) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && \result == 0) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && \result == 0) && tmp___0 == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 1)) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && \result == 1) && 1 == systemActive) && tmp == 1) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) || ((((((splverifierCounter == 0 && \result == 1) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && \result == 1) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && !(pumpRunning == 0)) && \result == 0) && !(\result == 0)) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp___0 == 1) || (((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp___0 == 1) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((((((((((((((splverifierCounter == 0 && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 0) && \result == 1) && tmp == 1) && tmp___0 == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) && tmp == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2)) || ((((((((\result <= 1 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel <= 2) && tmp___0 <= 1)) || (((((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) && tmp___0 == 1)) || (((((((((((\result <= 1 && splverifierCounter == 0) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 <= 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && tmp == 0) && waterLevel == 1) || ((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 2) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && \result == 1) && tmp == 1) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1) || ((((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && waterLevel <= 2) && tmp == 0) && tmp == 1) && \result == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1) && tmp == 0) && tmp == 0) && tmp___0 == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((((((splverifierCounter == 0 && \result == 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == 0) && tmp == 0) && tmp___0 == 1) - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 08:46:12,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a52b8b04-1f5e-4284-b9dc-a861f5afff36/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...