./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product64.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_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/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_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/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_cea4363c-3547-4a12-a451-a81c783b59ed/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 59d05b45c2855b02eb92cf6428285b3e4820a09d46d6a6d0a0748347de3adbb6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:49:32,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:49:32,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:49:32,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:49:32,469 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:49:32,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:49:32,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:49:32,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:49:32,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:49:32,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:49:32,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:49:32,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:49:32,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:49:32,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:49:32,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:49:32,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:49:32,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:49:32,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:49:32,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:49:32,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:49:32,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:49:32,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:49:32,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:49:32,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:49:32,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:49:32,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:49:32,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:49:32,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:49:32,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:49:32,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:49:32,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:49:32,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:49:32,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:49:32,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:49:32,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:49:32,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:49:32,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:49:32,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:49:32,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:49:32,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:49:32,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:49:32,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:49:32,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:49:32,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:49:32,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:49:32,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:49:32,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:49:32,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:49:32,639 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:49:32,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:49:32,640 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:49:32,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:49:32,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:49:32,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:49:32,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:49:32,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:49:32,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:49:32,643 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:49:32,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:49:32,643 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:49:32,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:49:32,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:49:32,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:49:32,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:49:32,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:49:32,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:49:32,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:49:32,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:49:32,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:49:32,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:49:32,646 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:49:32,647 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:49:32,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:49:32,647 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:49:32,648 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_cea4363c-3547-4a12-a451-a81c783b59ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59d05b45c2855b02eb92cf6428285b3e4820a09d46d6a6d0a0748347de3adbb6 [2021-10-28 09:49:33,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:49:33,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:49:33,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:49:33,050 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:49:33,051 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:49:33,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c [2021-10-28 09:49:33,149 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/data/e6cbf25fd/21454df878884944917bf46a2ada08f4/FLAG71961e957 [2021-10-28 09:49:33,903 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:49:33,903 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c [2021-10-28 09:49:33,924 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/data/e6cbf25fd/21454df878884944917bf46a2ada08f4/FLAG71961e957 [2021-10-28 09:49:34,143 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/data/e6cbf25fd/21454df878884944917bf46a2ada08f4 [2021-10-28 09:49:34,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:49:34,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:49:34,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:49:34,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:49:34,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:49:34,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:49:34" (1/1) ... [2021-10-28 09:49:34,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@463079cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:34, skipping insertion in model container [2021-10-28 09:49:34,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:49:34" (1/1) ... [2021-10-28 09:49:34,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:49:34,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:49:34,627 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_cea4363c-3547-4a12-a451-a81c783b59ed/sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c[6823,6836] [2021-10-28 09:49:34,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:49:34,725 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:49:34,767 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_cea4363c-3547-4a12-a451-a81c783b59ed/sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c[6823,6836] [2021-10-28 09:49:34,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:49:34,884 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:49:34,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:34 WrapperNode [2021-10-28 09:49:34,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:49:34,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:49:34,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:49:34,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:49:34,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:34" (1/1) ... [2021-10-28 09:49:34,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:34" (1/1) ... [2021-10-28 09:49:35,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:49:35,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:49:35,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:49:35,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:49:35,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:34" (1/1) ... [2021-10-28 09:49:35,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:34" (1/1) ... [2021-10-28 09:49:35,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:34" (1/1) ... [2021-10-28 09:49:35,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:34" (1/1) ... [2021-10-28 09:49:35,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:34" (1/1) ... [2021-10-28 09:49:35,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:34" (1/1) ... [2021-10-28 09:49:35,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:34" (1/1) ... [2021-10-28 09:49:35,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:49:35,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:49:35,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:49:35,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:49:35,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:34" (1/1) ... [2021-10-28 09:49:35,180 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:49:35,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:49:35,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:49:35,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:49:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:49:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:49:35,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:49:35,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:49:36,930 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:49:36,931 INFO L299 CfgBuilder]: Removed 356 assume(true) statements. [2021-10-28 09:49:36,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:49:36 BoogieIcfgContainer [2021-10-28 09:49:36,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:49:36,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:49:36,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:49:36,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:49:36,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:49:34" (1/3) ... [2021-10-28 09:49:36,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2d18e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:49:36, skipping insertion in model container [2021-10-28 09:49:36,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:49:34" (2/3) ... [2021-10-28 09:49:36,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2d18e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:49:36, skipping insertion in model container [2021-10-28 09:49:36,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:49:36" (3/3) ... [2021-10-28 09:49:36,947 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product64.cil.c [2021-10-28 09:49:36,955 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:49:36,956 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 09:49:37,035 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:49:37,046 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 09:49:37,046 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 09:49:37,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 227 states have (on average 1.524229074889868) internal successors, (346), 230 states have internal predecessors, (346), 0 states have call successors, (0), 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 09:49:37,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 09:49:37,090 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:37,091 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 09:49:37,091 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 09:49:37,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:37,100 INFO L85 PathProgramCache]: Analyzing trace with hash -420892511, now seen corresponding path program 1 times [2021-10-28 09:49:37,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:37,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750518075] [2021-10-28 09:49:37,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:37,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:37,519 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 09:49:37,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:37,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750518075] [2021-10-28 09:49:37,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750518075] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:37,522 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:37,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:49:37,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549594692] [2021-10-28 09:49:37,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:49:37,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:37,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:49:37,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:49:37,566 INFO L87 Difference]: Start difference. First operand has 231 states, 227 states have (on average 1.524229074889868) internal successors, (346), 230 states have internal predecessors, (346), 0 states have call successors, (0), 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 09:49:37,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:37,668 INFO L93 Difference]: Finished difference Result 455 states and 684 transitions. [2021-10-28 09:49:37,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:49:37,670 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 09:49:37,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:37,692 INFO L225 Difference]: With dead ends: 455 [2021-10-28 09:49:37,693 INFO L226 Difference]: Without dead ends: 227 [2021-10-28 09:49:37,699 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 09:49:37,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-10-28 09:49:37,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-10-28 09:49:37,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 224 states have (on average 1.4910714285714286) internal successors, (334), 226 states have internal predecessors, (334), 0 states have call successors, (0), 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 09:49:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 334 transitions. [2021-10-28 09:49:37,762 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 334 transitions. Word has length 18 [2021-10-28 09:49:37,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:37,762 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 334 transitions. [2021-10-28 09:49:37,763 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 09:49:37,763 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 334 transitions. [2021-10-28 09:49:37,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 09:49:37,765 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:37,765 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 09:49:37,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:49:37,766 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 09:49:37,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:37,767 INFO L85 PathProgramCache]: Analyzing trace with hash -568929405, now seen corresponding path program 1 times [2021-10-28 09:49:37,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:37,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910612337] [2021-10-28 09:49:37,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:37,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:37,905 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 09:49:37,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:37,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910612337] [2021-10-28 09:49:37,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910612337] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:37,906 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:37,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:37,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597401959] [2021-10-28 09:49:37,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:37,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:37,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:37,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:37,911 INFO L87 Difference]: Start difference. First operand 227 states and 334 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 09:49:37,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:37,932 INFO L93 Difference]: Finished difference Result 227 states and 334 transitions. [2021-10-28 09:49:37,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:37,933 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 09:49:37,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:37,935 INFO L225 Difference]: With dead ends: 227 [2021-10-28 09:49:37,935 INFO L226 Difference]: Without dead ends: 87 [2021-10-28 09:49:37,937 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 09:49:37,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-28 09:49:37,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2021-10-28 09:49:37,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.4767441860465116) internal successors, (127), 86 states have internal predecessors, (127), 0 states have call successors, (0), 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 09:49:37,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2021-10-28 09:49:37,957 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 19 [2021-10-28 09:49:37,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:37,958 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2021-10-28 09:49:37,958 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 09:49:37,958 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2021-10-28 09:49:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 09:49:37,960 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:37,961 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 09:49:37,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:49:37,963 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 09:49:37,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:37,971 INFO L85 PathProgramCache]: Analyzing trace with hash -2011512384, now seen corresponding path program 1 times [2021-10-28 09:49:37,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:37,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403353280] [2021-10-28 09:49:37,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:37,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:38,121 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 09:49:38,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:38,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403353280] [2021-10-28 09:49:38,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403353280] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:38,122 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:38,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:38,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63539244] [2021-10-28 09:49:38,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:38,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:38,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:38,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:38,125 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:38,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:38,203 INFO L93 Difference]: Finished difference Result 247 states and 367 transitions. [2021-10-28 09:49:38,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:38,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-28 09:49:38,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:38,210 INFO L225 Difference]: With dead ends: 247 [2021-10-28 09:49:38,210 INFO L226 Difference]: Without dead ends: 167 [2021-10-28 09:49:38,213 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 09:49:38,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-10-28 09:49:38,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 163. [2021-10-28 09:49:38,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.4938271604938271) internal successors, (242), 162 states have internal predecessors, (242), 0 states have call successors, (0), 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 09:49:38,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 242 transitions. [2021-10-28 09:49:38,252 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 242 transitions. Word has length 24 [2021-10-28 09:49:38,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:38,253 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 242 transitions. [2021-10-28 09:49:38,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:38,254 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2021-10-28 09:49:38,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 09:49:38,264 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:38,265 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:38,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:49:38,265 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 09:49:38,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:38,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1543064518, now seen corresponding path program 1 times [2021-10-28 09:49:38,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:38,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92497539] [2021-10-28 09:49:38,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:38,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:38,379 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 09:49:38,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:38,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92497539] [2021-10-28 09:49:38,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92497539] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:38,387 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:38,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:49:38,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761753420] [2021-10-28 09:49:38,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:38,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:38,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:38,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:38,391 INFO L87 Difference]: Start difference. First operand 163 states and 242 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:38,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:38,463 INFO L93 Difference]: Finished difference Result 332 states and 499 transitions. [2021-10-28 09:49:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:38,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-28 09:49:38,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:38,466 INFO L225 Difference]: With dead ends: 332 [2021-10-28 09:49:38,467 INFO L226 Difference]: Without dead ends: 176 [2021-10-28 09:49:38,470 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 09:49:38,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-10-28 09:49:38,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174. [2021-10-28 09:49:38,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 173 states have (on average 1.4566473988439306) internal successors, (252), 173 states have internal predecessors, (252), 0 states have call successors, (0), 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 09:49:38,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 252 transitions. [2021-10-28 09:49:38,509 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 252 transitions. Word has length 27 [2021-10-28 09:49:38,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:38,510 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 252 transitions. [2021-10-28 09:49:38,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:38,511 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 252 transitions. [2021-10-28 09:49:38,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 09:49:38,512 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:38,512 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:38,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:49:38,518 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 09:49:38,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:38,521 INFO L85 PathProgramCache]: Analyzing trace with hash 447177737, now seen corresponding path program 1 times [2021-10-28 09:49:38,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:38,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657951149] [2021-10-28 09:49:38,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:38,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:38,656 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 09:49:38,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:38,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657951149] [2021-10-28 09:49:38,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657951149] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:38,657 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:38,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:49:38,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442370277] [2021-10-28 09:49:38,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:49:38,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:38,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:49:38,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:49:38,659 INFO L87 Difference]: Start difference. First operand 174 states and 252 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:38,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:38,836 INFO L93 Difference]: Finished difference Result 859 states and 1254 transitions. [2021-10-28 09:49:38,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:49:38,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-28 09:49:38,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:38,842 INFO L225 Difference]: With dead ends: 859 [2021-10-28 09:49:38,843 INFO L226 Difference]: Without dead ends: 692 [2021-10-28 09:49:38,844 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 09:49:38,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2021-10-28 09:49:38,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 327. [2021-10-28 09:49:38,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 326 states have (on average 1.4355828220858895) internal successors, (468), 326 states have internal predecessors, (468), 0 states have call successors, (0), 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 09:49:38,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 468 transitions. [2021-10-28 09:49:38,880 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 468 transitions. Word has length 27 [2021-10-28 09:49:38,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:38,880 INFO L470 AbstractCegarLoop]: Abstraction has 327 states and 468 transitions. [2021-10-28 09:49:38,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:38,881 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 468 transitions. [2021-10-28 09:49:38,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 09:49:38,883 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:38,883 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:38,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:49:38,883 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 09:49:38,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:38,884 INFO L85 PathProgramCache]: Analyzing trace with hash -986967423, now seen corresponding path program 1 times [2021-10-28 09:49:38,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:38,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830188390] [2021-10-28 09:49:38,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:38,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:39,002 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 09:49:39,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:39,002 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830188390] [2021-10-28 09:49:39,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830188390] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:39,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:39,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:49:39,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728185275] [2021-10-28 09:49:39,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:49:39,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:39,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:49:39,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:49:39,005 INFO L87 Difference]: Start difference. First operand 327 states and 468 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:39,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:39,204 INFO L93 Difference]: Finished difference Result 1273 states and 1823 transitions. [2021-10-28 09:49:39,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:49:39,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-28 09:49:39,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:39,212 INFO L225 Difference]: With dead ends: 1273 [2021-10-28 09:49:39,212 INFO L226 Difference]: Without dead ends: 953 [2021-10-28 09:49:39,214 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 09:49:39,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2021-10-28 09:49:39,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 325. [2021-10-28 09:49:39,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 324 states have (on average 1.4259259259259258) internal successors, (462), 324 states have internal predecessors, (462), 0 states have call successors, (0), 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 09:49:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 462 transitions. [2021-10-28 09:49:39,252 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 462 transitions. Word has length 28 [2021-10-28 09:49:39,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:39,252 INFO L470 AbstractCegarLoop]: Abstraction has 325 states and 462 transitions. [2021-10-28 09:49:39,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 462 transitions. [2021-10-28 09:49:39,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-28 09:49:39,254 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:39,254 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:39,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:49:39,255 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 09:49:39,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:39,256 INFO L85 PathProgramCache]: Analyzing trace with hash -192809145, now seen corresponding path program 1 times [2021-10-28 09:49:39,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:39,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102783098] [2021-10-28 09:49:39,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:39,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:39,336 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 09:49:39,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:39,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102783098] [2021-10-28 09:49:39,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102783098] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:39,338 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:39,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:49:39,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134262527] [2021-10-28 09:49:39,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:49:39,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:39,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:49:39,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:49:39,340 INFO L87 Difference]: Start difference. First operand 325 states and 462 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:39,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:39,587 INFO L93 Difference]: Finished difference Result 1255 states and 1770 transitions. [2021-10-28 09:49:39,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:49:39,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-28 09:49:39,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:39,597 INFO L225 Difference]: With dead ends: 1255 [2021-10-28 09:49:39,597 INFO L226 Difference]: Without dead ends: 937 [2021-10-28 09:49:39,599 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 09:49:39,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2021-10-28 09:49:39,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 349. [2021-10-28 09:49:39,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 348 states have (on average 1.396551724137931) internal successors, (486), 348 states have internal predecessors, (486), 0 states have call successors, (0), 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 09:49:39,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 486 transitions. [2021-10-28 09:49:39,641 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 486 transitions. Word has length 37 [2021-10-28 09:49:39,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:39,641 INFO L470 AbstractCegarLoop]: Abstraction has 349 states and 486 transitions. [2021-10-28 09:49:39,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:39,642 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 486 transitions. [2021-10-28 09:49:39,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-28 09:49:39,643 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:39,643 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:39,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:49:39,644 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 09:49:39,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:39,644 INFO L85 PathProgramCache]: Analyzing trace with hash 818308105, now seen corresponding path program 1 times [2021-10-28 09:49:39,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:39,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641971391] [2021-10-28 09:49:39,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:39,646 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:39,735 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 09:49:39,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:39,735 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641971391] [2021-10-28 09:49:39,735 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641971391] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:39,736 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:39,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:49:39,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477862913] [2021-10-28 09:49:39,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:49:39,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:39,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:49:39,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:49:39,738 INFO L87 Difference]: Start difference. First operand 349 states and 486 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:39,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:39,851 INFO L93 Difference]: Finished difference Result 891 states and 1229 transitions. [2021-10-28 09:49:39,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:49:39,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-28 09:49:39,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:39,856 INFO L225 Difference]: With dead ends: 891 [2021-10-28 09:49:39,857 INFO L226 Difference]: Without dead ends: 549 [2021-10-28 09:49:39,858 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 09:49:39,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2021-10-28 09:49:39,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 385. [2021-10-28 09:49:39,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 384 states have (on average 1.359375) internal successors, (522), 384 states have internal predecessors, (522), 0 states have call successors, (0), 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 09:49:39,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 522 transitions. [2021-10-28 09:49:39,896 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 522 transitions. Word has length 37 [2021-10-28 09:49:39,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:39,897 INFO L470 AbstractCegarLoop]: Abstraction has 385 states and 522 transitions. [2021-10-28 09:49:39,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:39,897 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 522 transitions. [2021-10-28 09:49:39,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-28 09:49:39,900 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:39,900 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:39,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:49:39,900 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 09:49:39,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:39,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1213877499, now seen corresponding path program 1 times [2021-10-28 09:49:39,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:39,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512261004] [2021-10-28 09:49:39,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:39,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:39,974 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 09:49:39,975 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:39,975 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512261004] [2021-10-28 09:49:39,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512261004] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:39,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:39,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:49:39,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242019999] [2021-10-28 09:49:39,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:39,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:39,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:39,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:39,981 INFO L87 Difference]: Start difference. First operand 385 states and 522 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:40,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:40,062 INFO L93 Difference]: Finished difference Result 871 states and 1175 transitions. [2021-10-28 09:49:40,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:40,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-28 09:49:40,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:40,066 INFO L225 Difference]: With dead ends: 871 [2021-10-28 09:49:40,066 INFO L226 Difference]: Without dead ends: 493 [2021-10-28 09:49:40,067 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 09:49:40,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2021-10-28 09:49:40,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 493. [2021-10-28 09:49:40,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 492 states have (on average 1.3252032520325203) internal successors, (652), 492 states have internal predecessors, (652), 0 states have call successors, (0), 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 09:49:40,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 652 transitions. [2021-10-28 09:49:40,135 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 652 transitions. Word has length 37 [2021-10-28 09:49:40,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:40,137 INFO L470 AbstractCegarLoop]: Abstraction has 493 states and 652 transitions. [2021-10-28 09:49:40,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:40,137 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 652 transitions. [2021-10-28 09:49:40,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-28 09:49:40,139 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:40,140 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:40,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:49:40,140 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 09:49:40,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:40,141 INFO L85 PathProgramCache]: Analyzing trace with hash 321920453, now seen corresponding path program 1 times [2021-10-28 09:49:40,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:40,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241227052] [2021-10-28 09:49:40,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:40,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:40,258 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 09:49:40,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:40,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241227052] [2021-10-28 09:49:40,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241227052] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:40,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:40,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-28 09:49:40,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734668633] [2021-10-28 09:49:40,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 09:49:40,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:40,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 09:49:40,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:49:40,263 INFO L87 Difference]: Start difference. First operand 493 states and 652 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 0 states have call successors, (0), 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 09:49:41,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:41,186 INFO L93 Difference]: Finished difference Result 2187 states and 2877 transitions. [2021-10-28 09:49:41,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-28 09:49:41,186 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 0 states have call successors, (0), 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 38 [2021-10-28 09:49:41,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:41,201 INFO L225 Difference]: With dead ends: 2187 [2021-10-28 09:49:41,202 INFO L226 Difference]: Without dead ends: 1701 [2021-10-28 09:49:41,204 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2021-10-28 09:49:41,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2021-10-28 09:49:41,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 493. [2021-10-28 09:49:41,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 492 states have (on average 1.3008130081300813) internal successors, (640), 492 states have internal predecessors, (640), 0 states have call successors, (0), 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 09:49:41,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 640 transitions. [2021-10-28 09:49:41,279 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 640 transitions. Word has length 38 [2021-10-28 09:49:41,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:41,279 INFO L470 AbstractCegarLoop]: Abstraction has 493 states and 640 transitions. [2021-10-28 09:49:41,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 0 states have call successors, (0), 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 09:49:41,280 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 640 transitions. [2021-10-28 09:49:41,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-28 09:49:41,281 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:41,282 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:41,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:49:41,283 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 09:49:41,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:41,283 INFO L85 PathProgramCache]: Analyzing trace with hash -933108215, now seen corresponding path program 1 times [2021-10-28 09:49:41,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:41,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595602093] [2021-10-28 09:49:41,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:41,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:41,365 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 09:49:41,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:41,366 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595602093] [2021-10-28 09:49:41,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595602093] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:41,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:49:41,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:49:41,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067837400] [2021-10-28 09:49:41,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:41,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:41,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:41,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:49:41,369 INFO L87 Difference]: Start difference. First operand 493 states and 640 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 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 09:49:41,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:41,560 INFO L93 Difference]: Finished difference Result 818 states and 1060 transitions. [2021-10-28 09:49:41,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:41,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-28 09:49:41,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:41,564 INFO L225 Difference]: With dead ends: 818 [2021-10-28 09:49:41,564 INFO L226 Difference]: Without dead ends: 332 [2021-10-28 09:49:41,566 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 09:49:41,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-10-28 09:49:41,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 324. [2021-10-28 09:49:41,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 323 states have (on average 1.284829721362229) internal successors, (415), 323 states have internal predecessors, (415), 0 states have call successors, (0), 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 09:49:41,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 415 transitions. [2021-10-28 09:49:41,622 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 415 transitions. Word has length 56 [2021-10-28 09:49:41,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:41,622 INFO L470 AbstractCegarLoop]: Abstraction has 324 states and 415 transitions. [2021-10-28 09:49:41,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 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 09:49:41,623 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 415 transitions. [2021-10-28 09:49:41,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-28 09:49:41,625 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:41,625 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:41,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 09:49:41,625 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 09:49:41,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:41,626 INFO L85 PathProgramCache]: Analyzing trace with hash 384155307, now seen corresponding path program 1 times [2021-10-28 09:49:41,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:41,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146179147] [2021-10-28 09:49:41,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:41,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:41,747 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 09:49:41,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:41,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146179147] [2021-10-28 09:49:41,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146179147] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:49:41,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333686413] [2021-10-28 09:49:41,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:41,749 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:49:41,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:49:41,754 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:49:41,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:49:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:41,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 09:49:41,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:49:42,275 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 09:49:42,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333686413] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:42,276 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:49:42,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-10-28 09:49:42,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038250988] [2021-10-28 09:49:42,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:49:42,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:42,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:49:42,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:49:42,278 INFO L87 Difference]: Start difference. First operand 324 states and 415 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 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 09:49:42,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:42,376 INFO L93 Difference]: Finished difference Result 495 states and 636 transitions. [2021-10-28 09:49:42,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:49:42,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2021-10-28 09:49:42,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:42,383 INFO L225 Difference]: With dead ends: 495 [2021-10-28 09:49:42,383 INFO L226 Difference]: Without dead ends: 493 [2021-10-28 09:49:42,384 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:49:42,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2021-10-28 09:49:42,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 354. [2021-10-28 09:49:42,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 353 states have (on average 1.3031161473087818) internal successors, (460), 353 states have internal predecessors, (460), 0 states have call successors, (0), 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 09:49:42,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 460 transitions. [2021-10-28 09:49:42,444 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 460 transitions. Word has length 63 [2021-10-28 09:49:42,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:42,446 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 460 transitions. [2021-10-28 09:49:42,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 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 09:49:42,446 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 460 transitions. [2021-10-28 09:49:42,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-10-28 09:49:42,448 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:49:42,448 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:42,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:49:42,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-28 09:49:42,677 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 09:49:42,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:49:42,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1840487417, now seen corresponding path program 1 times [2021-10-28 09:49:42,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:49:42,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663469177] [2021-10-28 09:49:42,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:42,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:49:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-28 09:49:42,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:49:42,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663469177] [2021-10-28 09:49:42,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663469177] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:49:42,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518073639] [2021-10-28 09:49:42,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:49:42,835 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:49:42,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:49:42,837 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:49:42,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-28 09:49:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:49:43,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:49:43,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:49:43,411 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-28 09:49:43,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518073639] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:49:43,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:49:43,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2021-10-28 09:49:43,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149922675] [2021-10-28 09:49:43,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:49:43,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:49:43,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:49:43,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:49:43,414 INFO L87 Difference]: Start difference. First operand 354 states and 460 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:43,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:49:43,848 INFO L93 Difference]: Finished difference Result 868 states and 1119 transitions. [2021-10-28 09:49:43,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 09:49:43,848 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2021-10-28 09:49:43,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:49:43,849 INFO L225 Difference]: With dead ends: 868 [2021-10-28 09:49:43,849 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:49:43,851 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2021-10-28 09:49:43,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:49:43,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:49:43,851 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 09:49:43,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:49:43,852 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2021-10-28 09:49:43,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:49:43,852 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:49:43,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:49:43,853 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:49:43,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:49:43,869 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:49:43,870 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:49:43,871 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:49:43,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:49:44,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-28 09:49:44,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:49:44,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,207 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,300 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:44,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:45,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:46,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,101 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:47,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:48,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:48,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:48,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:48,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:48,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:48,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:48,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:48,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:48,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:48,097 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:49:55,101 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2021-10-28 09:49:55,101 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 178) no Hoare annotation was computed. [2021-10-28 09:49:55,101 INFO L857 garLoopResultBuilder]: For program point L170-1(lines 170 178) no Hoare annotation was computed. [2021-10-28 09:49:55,102 INFO L857 garLoopResultBuilder]: For program point L170-2(lines 170 178) no Hoare annotation was computed. [2021-10-28 09:49:55,102 INFO L857 garLoopResultBuilder]: For program point L170-3(lines 170 178) no Hoare annotation was computed. [2021-10-28 09:49:55,102 INFO L857 garLoopResultBuilder]: For program point L170-4(lines 170 178) no Hoare annotation was computed. [2021-10-28 09:49:55,102 INFO L857 garLoopResultBuilder]: For program point L170-5(lines 170 178) no Hoare annotation was computed. [2021-10-28 09:49:55,102 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 574) no Hoare annotation was computed. [2021-10-28 09:49:55,102 INFO L857 garLoopResultBuilder]: For program point L568-1(lines 568 574) no Hoare annotation was computed. [2021-10-28 09:49:55,102 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 574) no Hoare annotation was computed. [2021-10-28 09:49:55,103 INFO L857 garLoopResultBuilder]: For program point L568-3(lines 568 574) no Hoare annotation was computed. [2021-10-28 09:49:55,103 INFO L857 garLoopResultBuilder]: For program point L568-4(lines 568 574) no Hoare annotation was computed. [2021-10-28 09:49:55,103 INFO L857 garLoopResultBuilder]: For program point L568-5(lines 568 574) no Hoare annotation was computed. [2021-10-28 09:49:55,103 INFO L857 garLoopResultBuilder]: For program point L568-6(lines 568 574) no Hoare annotation was computed. [2021-10-28 09:49:55,103 INFO L857 garLoopResultBuilder]: For program point L568-7(lines 568 574) no Hoare annotation was computed. [2021-10-28 09:49:55,103 INFO L857 garLoopResultBuilder]: For program point L568-8(lines 568 574) no Hoare annotation was computed. [2021-10-28 09:49:55,103 INFO L857 garLoopResultBuilder]: For program point L568-9(lines 568 574) no Hoare annotation was computed. [2021-10-28 09:49:55,104 INFO L857 garLoopResultBuilder]: For program point L568-10(lines 568 574) no Hoare annotation was computed. [2021-10-28 09:49:55,104 INFO L857 garLoopResultBuilder]: For program point L568-11(lines 568 574) no Hoare annotation was computed. [2021-10-28 09:49:55,104 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 507) no Hoare annotation was computed. [2021-10-28 09:49:55,104 INFO L853 garLoopResultBuilder]: At program point L108(lines 107 126) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1))) (or (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2) (and .cse0 .cse3 .cse2 .cse4) (and .cse0 .cse3 .cse5 .cse4) (and .cse0 .cse5 .cse1) (and .cse0 .cse3 .cse1 .cse2))) [2021-10-28 09:49:55,104 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 108 114) no Hoare annotation was computed. [2021-10-28 09:49:55,105 INFO L853 garLoopResultBuilder]: At program point L108-2(lines 107 126) the Hoare annotation is: false [2021-10-28 09:49:55,105 INFO L853 garLoopResultBuilder]: At program point L108-3(lines 107 126) the Hoare annotation is: false [2021-10-28 09:49:55,105 INFO L857 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-10-28 09:49:55,105 INFO L857 garLoopResultBuilder]: For program point L440-1(line 440) no Hoare annotation was computed. [2021-10-28 09:49:55,105 INFO L857 garLoopResultBuilder]: For program point L440-2(line 440) no Hoare annotation was computed. [2021-10-28 09:49:55,105 INFO L853 garLoopResultBuilder]: At program point L573(lines 564 577) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 09:49:55,106 INFO L853 garLoopResultBuilder]: At program point L573-1(lines 564 577) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 09:49:55,106 INFO L853 garLoopResultBuilder]: At program point L573-2(lines 564 577) the Hoare annotation is: false [2021-10-28 09:49:55,106 INFO L853 garLoopResultBuilder]: At program point L573-3(lines 564 577) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1)))) [2021-10-28 09:49:55,106 INFO L853 garLoopResultBuilder]: At program point L573-4(lines 564 577) the Hoare annotation is: false [2021-10-28 09:49:55,106 INFO L853 garLoopResultBuilder]: At program point L573-5(lines 564 577) the Hoare annotation is: false [2021-10-28 09:49:55,106 INFO L853 garLoopResultBuilder]: At program point L573-6(lines 564 577) the Hoare annotation is: false [2021-10-28 09:49:55,107 INFO L853 garLoopResultBuilder]: At program point L573-7(lines 564 577) the Hoare annotation is: false [2021-10-28 09:49:55,107 INFO L853 garLoopResultBuilder]: At program point L573-8(lines 564 577) the Hoare annotation is: false [2021-10-28 09:49:55,107 INFO L853 garLoopResultBuilder]: At program point L573-9(lines 564 577) the Hoare annotation is: false [2021-10-28 09:49:55,107 INFO L853 garLoopResultBuilder]: At program point L573-10(lines 564 577) the Hoare annotation is: false [2021-10-28 09:49:55,107 INFO L853 garLoopResultBuilder]: At program point L573-11(lines 564 577) the Hoare annotation is: false [2021-10-28 09:49:55,107 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,107 INFO L857 garLoopResultBuilder]: For program point L311-2(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,108 INFO L857 garLoopResultBuilder]: For program point L311-3(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,108 INFO L857 garLoopResultBuilder]: For program point L311-5(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,108 INFO L857 garLoopResultBuilder]: For program point L311-6(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,108 INFO L857 garLoopResultBuilder]: For program point L311-8(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,108 INFO L857 garLoopResultBuilder]: For program point L311-9(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,108 INFO L857 garLoopResultBuilder]: For program point L311-11(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,108 INFO L857 garLoopResultBuilder]: For program point L311-12(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,108 INFO L857 garLoopResultBuilder]: For program point L311-14(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,108 INFO L857 garLoopResultBuilder]: For program point L311-15(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,109 INFO L857 garLoopResultBuilder]: For program point L311-17(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,109 INFO L857 garLoopResultBuilder]: For program point L311-18(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,109 INFO L857 garLoopResultBuilder]: For program point L311-20(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,109 INFO L857 garLoopResultBuilder]: For program point L311-21(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,109 INFO L857 garLoopResultBuilder]: For program point L311-23(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,109 INFO L857 garLoopResultBuilder]: For program point L311-24(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,109 INFO L857 garLoopResultBuilder]: For program point L311-26(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,109 INFO L857 garLoopResultBuilder]: For program point L311-27(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,110 INFO L857 garLoopResultBuilder]: For program point L378(lines 377 426) no Hoare annotation was computed. [2021-10-28 09:49:55,110 INFO L857 garLoopResultBuilder]: For program point L311-29(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,110 INFO L857 garLoopResultBuilder]: For program point L311-30(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,110 INFO L857 garLoopResultBuilder]: For program point L311-32(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,110 INFO L857 garLoopResultBuilder]: For program point L311-33(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,110 INFO L857 garLoopResultBuilder]: For program point L311-35(lines 311 315) no Hoare annotation was computed. [2021-10-28 09:49:55,110 INFO L857 garLoopResultBuilder]: For program point L379(lines 379 383) no Hoare annotation was computed. [2021-10-28 09:49:55,111 INFO L853 garLoopResultBuilder]: At program point L115(lines 115 121) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse5) (and .cse0 .cse1 .cse4 .cse3) (and .cse0 .cse1 .cse4 .cse5) (and .cse0 .cse1 .cse5 .cse2))) [2021-10-28 09:49:55,111 INFO L853 garLoopResultBuilder]: At program point L115-1(lines 115 121) the Hoare annotation is: false [2021-10-28 09:49:55,111 INFO L853 garLoopResultBuilder]: At program point L115-2(lines 115 121) the Hoare annotation is: false [2021-10-28 09:49:55,111 INFO L853 garLoopResultBuilder]: At program point L647(lines 643 649) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 09:49:55,111 INFO L857 garLoopResultBuilder]: For program point L515(lines 515 519) no Hoare annotation was computed. [2021-10-28 09:49:55,111 INFO L853 garLoopResultBuilder]: At program point L317(lines 302 320) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 09:49:55,112 INFO L853 garLoopResultBuilder]: At program point L317-1(lines 302 320) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 09:49:55,112 INFO L853 garLoopResultBuilder]: At program point L317-2(lines 302 320) the Hoare annotation is: false [2021-10-28 09:49:55,112 INFO L853 garLoopResultBuilder]: At program point L317-3(lines 302 320) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1)))) [2021-10-28 09:49:55,112 INFO L853 garLoopResultBuilder]: At program point L317-4(lines 302 320) the Hoare annotation is: false [2021-10-28 09:49:55,112 INFO L853 garLoopResultBuilder]: At program point L317-5(lines 302 320) the Hoare annotation is: false [2021-10-28 09:49:55,112 INFO L853 garLoopResultBuilder]: At program point L317-6(lines 302 320) the Hoare annotation is: false [2021-10-28 09:49:55,112 INFO L853 garLoopResultBuilder]: At program point L317-7(lines 302 320) the Hoare annotation is: false [2021-10-28 09:49:55,113 INFO L853 garLoopResultBuilder]: At program point L317-8(lines 302 320) the Hoare annotation is: false [2021-10-28 09:49:55,113 INFO L853 garLoopResultBuilder]: At program point L317-9(lines 302 320) the Hoare annotation is: false [2021-10-28 09:49:55,113 INFO L853 garLoopResultBuilder]: At program point L317-10(lines 302 320) the Hoare annotation is: false [2021-10-28 09:49:55,113 INFO L853 garLoopResultBuilder]: At program point L317-11(lines 302 320) the Hoare annotation is: false [2021-10-28 09:49:55,113 INFO L853 garLoopResultBuilder]: At program point L583(lines 578 586) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 09:49:55,113 INFO L853 garLoopResultBuilder]: At program point L583-1(lines 578 586) the Hoare annotation is: false [2021-10-28 09:49:55,114 INFO L853 garLoopResultBuilder]: At program point L583-2(lines 578 586) the Hoare annotation is: false [2021-10-28 09:49:55,114 INFO L853 garLoopResultBuilder]: At program point L583-3(lines 578 586) the Hoare annotation is: false [2021-10-28 09:49:55,114 INFO L853 garLoopResultBuilder]: At program point L451(lines 446 453) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 09:49:55,114 INFO L853 garLoopResultBuilder]: At program point L583-4(lines 578 586) the Hoare annotation is: false [2021-10-28 09:49:55,114 INFO L853 garLoopResultBuilder]: At program point L583-5(lines 578 586) the Hoare annotation is: false [2021-10-28 09:49:55,114 INFO L853 garLoopResultBuilder]: At program point L253(lines 246 256) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse1) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 (= ~methaneLevelCritical~0 1) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2021-10-28 09:49:55,115 INFO L853 garLoopResultBuilder]: At program point L253-1(lines 246 256) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 09:49:55,115 INFO L853 garLoopResultBuilder]: At program point L253-2(lines 246 256) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 09:49:55,115 INFO L853 garLoopResultBuilder]: At program point L253-3(lines 246 256) the Hoare annotation is: false [2021-10-28 09:49:55,115 INFO L853 garLoopResultBuilder]: At program point L253-4(lines 246 256) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2021-10-28 09:49:55,115 INFO L853 garLoopResultBuilder]: At program point L253-5(lines 246 256) the Hoare annotation is: false [2021-10-28 09:49:55,115 INFO L853 garLoopResultBuilder]: At program point L253-6(lines 246 256) the Hoare annotation is: false [2021-10-28 09:49:55,116 INFO L853 garLoopResultBuilder]: At program point L253-7(lines 246 256) the Hoare annotation is: false [2021-10-28 09:49:55,116 INFO L853 garLoopResultBuilder]: At program point L253-8(lines 246 256) the Hoare annotation is: false [2021-10-28 09:49:55,116 INFO L853 garLoopResultBuilder]: At program point L253-9(lines 246 256) the Hoare annotation is: false [2021-10-28 09:49:55,116 INFO L853 garLoopResultBuilder]: At program point L253-10(lines 246 256) the Hoare annotation is: false [2021-10-28 09:49:55,116 INFO L853 garLoopResultBuilder]: At program point L253-11(lines 246 256) the Hoare annotation is: false [2021-10-28 09:49:55,116 INFO L853 garLoopResultBuilder]: At program point L253-12(lines 246 256) the Hoare annotation is: false [2021-10-28 09:49:55,117 INFO L853 garLoopResultBuilder]: At program point L253-13(lines 246 256) the Hoare annotation is: false [2021-10-28 09:49:55,117 INFO L853 garLoopResultBuilder]: At program point L253-14(lines 246 256) the Hoare annotation is: false [2021-10-28 09:49:55,117 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 393) no Hoare annotation was computed. [2021-10-28 09:49:55,117 INFO L853 garLoopResultBuilder]: At program point L387-1(lines 387 393) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~7 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse9 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse7) (and .cse0 .cse1 .cse2 .cse7 .cse8 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse7 .cse5) (and .cse0 .cse1 .cse2 .cse8 .cse9 .cse6))) [2021-10-28 09:49:55,117 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:49:55,117 INFO L857 garLoopResultBuilder]: For program point L192(lines 192 209) no Hoare annotation was computed. [2021-10-28 09:49:55,118 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 192 209) no Hoare annotation was computed. [2021-10-28 09:49:55,118 INFO L857 garLoopResultBuilder]: For program point L192-2(lines 192 209) no Hoare annotation was computed. [2021-10-28 09:49:55,118 INFO L853 garLoopResultBuilder]: At program point L262(lines 257 265) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2 (= 1 ~systemActive~0) .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)))) [2021-10-28 09:49:55,118 INFO L853 garLoopResultBuilder]: At program point L262-1(lines 257 265) the Hoare annotation is: false [2021-10-28 09:49:55,118 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 204) no Hoare annotation was computed. [2021-10-28 09:49:55,118 INFO L853 garLoopResultBuilder]: At program point L262-2(lines 257 265) the Hoare annotation is: false [2021-10-28 09:49:55,119 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 196 204) no Hoare annotation was computed. [2021-10-28 09:49:55,119 INFO L857 garLoopResultBuilder]: For program point L196-2(lines 196 204) no Hoare annotation was computed. [2021-10-28 09:49:55,119 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:49:55,119 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2021-10-28 09:49:55,119 INFO L853 garLoopResultBuilder]: At program point L528(lines 523 531) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 (= ~methaneLevelCritical~0 1) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse1))) [2021-10-28 09:49:55,119 INFO L853 garLoopResultBuilder]: At program point L528-1(lines 523 531) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 09:49:55,120 INFO L853 garLoopResultBuilder]: At program point L528-2(lines 523 531) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 09:49:55,120 INFO L857 garLoopResultBuilder]: For program point L462(lines 462 479) no Hoare annotation was computed. [2021-10-28 09:49:55,120 INFO L853 garLoopResultBuilder]: At program point L528-3(lines 523 531) the Hoare annotation is: false [2021-10-28 09:49:55,120 INFO L853 garLoopResultBuilder]: At program point L462-1(lines 1 1049) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~7 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse9 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse7) (and .cse0 .cse1 .cse2 .cse7 .cse8 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse7 .cse5) (and .cse0 .cse1 .cse2 .cse8 .cse9 .cse6))) [2021-10-28 09:49:55,120 INFO L853 garLoopResultBuilder]: At program point L528-4(lines 523 531) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) [2021-10-28 09:49:55,120 INFO L857 garLoopResultBuilder]: For program point L462-2(lines 462 479) no Hoare annotation was computed. [2021-10-28 09:49:55,121 INFO L853 garLoopResultBuilder]: At program point L528-5(lines 523 531) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3 .cse5 .cse6) (and .cse0 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse4 .cse1 .cse2 .cse7))) [2021-10-28 09:49:55,121 INFO L853 garLoopResultBuilder]: At program point L462-3(lines 1 1049) the Hoare annotation is: false [2021-10-28 09:49:55,121 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 334) no Hoare annotation was computed. [2021-10-28 09:49:55,121 INFO L853 garLoopResultBuilder]: At program point L528-6(lines 523 531) the Hoare annotation is: false [2021-10-28 09:49:55,121 INFO L857 garLoopResultBuilder]: For program point L462-4(lines 462 479) no Hoare annotation was computed. [2021-10-28 09:49:55,121 INFO L853 garLoopResultBuilder]: At program point L528-7(lines 523 531) the Hoare annotation is: false [2021-10-28 09:49:55,122 INFO L853 garLoopResultBuilder]: At program point L462-5(lines 1 1049) the Hoare annotation is: false [2021-10-28 09:49:55,122 INFO L857 garLoopResultBuilder]: For program point L330-2(lines 330 334) no Hoare annotation was computed. [2021-10-28 09:49:55,122 INFO L853 garLoopResultBuilder]: At program point L528-8(lines 523 531) the Hoare annotation is: false [2021-10-28 09:49:55,122 INFO L857 garLoopResultBuilder]: For program point L330-3(lines 330 334) no Hoare annotation was computed. [2021-10-28 09:49:55,122 INFO L853 garLoopResultBuilder]: At program point L528-9(lines 523 531) the Hoare annotation is: false [2021-10-28 09:49:55,122 INFO L853 garLoopResultBuilder]: At program point L528-10(lines 523 531) the Hoare annotation is: false [2021-10-28 09:49:55,123 INFO L857 garLoopResultBuilder]: For program point L330-5(lines 330 334) no Hoare annotation was computed. [2021-10-28 09:49:55,123 INFO L853 garLoopResultBuilder]: At program point L528-11(lines 523 531) the Hoare annotation is: false [2021-10-28 09:49:55,123 INFO L857 garLoopResultBuilder]: For program point L330-6(lines 330 334) no Hoare annotation was computed. [2021-10-28 09:49:55,123 INFO L853 garLoopResultBuilder]: At program point L528-12(lines 523 531) the Hoare annotation is: false [2021-10-28 09:49:55,123 INFO L853 garLoopResultBuilder]: At program point L528-13(lines 523 531) the Hoare annotation is: false [2021-10-28 09:49:55,123 INFO L857 garLoopResultBuilder]: For program point L330-8(lines 330 334) no Hoare annotation was computed. [2021-10-28 09:49:55,123 INFO L853 garLoopResultBuilder]: At program point L528-14(lines 523 531) the Hoare annotation is: false [2021-10-28 09:49:55,124 INFO L857 garLoopResultBuilder]: For program point L330-9(lines 330 334) no Hoare annotation was computed. [2021-10-28 09:49:55,124 INFO L853 garLoopResultBuilder]: At program point L528-15(lines 523 531) the Hoare annotation is: false [2021-10-28 09:49:55,124 INFO L853 garLoopResultBuilder]: At program point L528-16(lines 523 531) the Hoare annotation is: false [2021-10-28 09:49:55,124 INFO L857 garLoopResultBuilder]: For program point L330-11(lines 330 334) no Hoare annotation was computed. [2021-10-28 09:49:55,124 INFO L853 garLoopResultBuilder]: At program point L528-17(lines 523 531) the Hoare annotation is: false [2021-10-28 09:49:55,124 INFO L857 garLoopResultBuilder]: For program point L330-12(lines 330 334) no Hoare annotation was computed. [2021-10-28 09:49:55,124 INFO L857 garLoopResultBuilder]: For program point L330-14(lines 330 334) no Hoare annotation was computed. [2021-10-28 09:49:55,125 INFO L857 garLoopResultBuilder]: For program point L330-15(lines 330 334) no Hoare annotation was computed. [2021-10-28 09:49:55,125 INFO L857 garLoopResultBuilder]: For program point L330-17(lines 330 334) no Hoare annotation was computed. [2021-10-28 09:49:55,125 INFO L857 garLoopResultBuilder]: For program point L397(lines 397 403) no Hoare annotation was computed. [2021-10-28 09:49:55,125 INFO L853 garLoopResultBuilder]: At program point L397-1(lines 397 403) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse6 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5 .cse6) (and .cse0 .cse5 .cse2) (and .cse0 .cse4 .cse1 .cse3 .cse6))) [2021-10-28 09:49:55,125 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 476) no Hoare annotation was computed. [2021-10-28 09:49:55,125 INFO L857 garLoopResultBuilder]: For program point L466-2(lines 466 476) no Hoare annotation was computed. [2021-10-28 09:49:55,125 INFO L857 garLoopResultBuilder]: For program point L466-4(lines 466 476) no Hoare annotation was computed. [2021-10-28 09:49:55,126 INFO L853 garLoopResultBuilder]: At program point L599-2(lines 599 613) the Hoare annotation is: false [2021-10-28 09:49:55,126 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 473) no Hoare annotation was computed. [2021-10-28 09:49:55,126 INFO L857 garLoopResultBuilder]: For program point L467-2(lines 467 473) no Hoare annotation was computed. [2021-10-28 09:49:55,126 INFO L857 garLoopResultBuilder]: For program point L467-4(lines 467 473) no Hoare annotation was computed. [2021-10-28 09:49:55,126 INFO L857 garLoopResultBuilder]: For program point L600(line 600) no Hoare annotation was computed. [2021-10-28 09:49:55,126 INFO L853 garLoopResultBuilder]: At program point L336(lines 321 339) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 09:49:55,127 INFO L853 garLoopResultBuilder]: At program point L336-1(lines 321 339) the Hoare annotation is: false [2021-10-28 09:49:55,127 INFO L853 garLoopResultBuilder]: At program point L336-2(lines 321 339) the Hoare annotation is: false [2021-10-28 09:49:55,127 INFO L853 garLoopResultBuilder]: At program point L336-3(lines 321 339) the Hoare annotation is: false [2021-10-28 09:49:55,127 INFO L853 garLoopResultBuilder]: At program point L336-4(lines 321 339) the Hoare annotation is: false [2021-10-28 09:49:55,127 INFO L853 garLoopResultBuilder]: At program point L336-5(lines 321 339) the Hoare annotation is: false [2021-10-28 09:49:55,127 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 157) no Hoare annotation was computed. [2021-10-28 09:49:55,127 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 140 157) no Hoare annotation was computed. [2021-10-28 09:49:55,128 INFO L857 garLoopResultBuilder]: For program point L140-2(lines 140 157) no Hoare annotation was computed. [2021-10-28 09:49:55,128 INFO L857 garLoopResultBuilder]: For program point L140-3(lines 140 157) no Hoare annotation was computed. [2021-10-28 09:49:55,128 INFO L857 garLoopResultBuilder]: For program point L140-4(lines 140 157) no Hoare annotation was computed. [2021-10-28 09:49:55,128 INFO L857 garLoopResultBuilder]: For program point L140-5(lines 140 157) no Hoare annotation was computed. [2021-10-28 09:49:55,128 INFO L857 garLoopResultBuilder]: For program point L140-6(lines 140 157) no Hoare annotation was computed. [2021-10-28 09:49:55,128 INFO L857 garLoopResultBuilder]: For program point L140-7(lines 140 157) no Hoare annotation was computed. [2021-10-28 09:49:55,128 INFO L857 garLoopResultBuilder]: For program point L140-8(lines 140 157) no Hoare annotation was computed. [2021-10-28 09:49:55,129 INFO L857 garLoopResultBuilder]: For program point L140-9(lines 140 157) no Hoare annotation was computed. [2021-10-28 09:49:55,129 INFO L857 garLoopResultBuilder]: For program point L140-10(lines 140 157) no Hoare annotation was computed. [2021-10-28 09:49:55,129 INFO L857 garLoopResultBuilder]: For program point L140-11(lines 140 157) no Hoare annotation was computed. [2021-10-28 09:49:55,129 INFO L857 garLoopResultBuilder]: For program point L603(lines 603 607) no Hoare annotation was computed. [2021-10-28 09:49:55,129 INFO L857 garLoopResultBuilder]: For program point L603-1(lines 108 114) no Hoare annotation was computed. [2021-10-28 09:49:55,129 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 1049) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 09:49:55,130 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 440) no Hoare annotation was computed. [2021-10-28 09:49:55,130 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 678) no Hoare annotation was computed. [2021-10-28 09:49:55,130 INFO L860 garLoopResultBuilder]: At program point L671-1(lines 671 678) the Hoare annotation is: true [2021-10-28 09:49:55,130 INFO L857 garLoopResultBuilder]: For program point L407(lines 407 422) no Hoare annotation was computed. [2021-10-28 09:49:55,130 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 152) no Hoare annotation was computed. [2021-10-28 09:49:55,130 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 144 152) no Hoare annotation was computed. [2021-10-28 09:49:55,130 INFO L857 garLoopResultBuilder]: For program point L144-2(lines 144 152) no Hoare annotation was computed. [2021-10-28 09:49:55,131 INFO L857 garLoopResultBuilder]: For program point L144-3(lines 144 152) no Hoare annotation was computed. [2021-10-28 09:49:55,131 INFO L857 garLoopResultBuilder]: For program point L144-4(lines 144 152) no Hoare annotation was computed. [2021-10-28 09:49:55,131 INFO L857 garLoopResultBuilder]: For program point L144-5(lines 144 152) no Hoare annotation was computed. [2021-10-28 09:49:55,131 INFO L857 garLoopResultBuilder]: For program point L144-6(lines 144 152) no Hoare annotation was computed. [2021-10-28 09:49:55,131 INFO L857 garLoopResultBuilder]: For program point L144-7(lines 144 152) no Hoare annotation was computed. [2021-10-28 09:49:55,131 INFO L857 garLoopResultBuilder]: For program point L144-8(lines 144 152) no Hoare annotation was computed. [2021-10-28 09:49:55,131 INFO L857 garLoopResultBuilder]: For program point L144-9(lines 144 152) no Hoare annotation was computed. [2021-10-28 09:49:55,132 INFO L857 garLoopResultBuilder]: For program point L144-10(lines 144 152) no Hoare annotation was computed. [2021-10-28 09:49:55,132 INFO L857 garLoopResultBuilder]: For program point L144-11(lines 144 152) no Hoare annotation was computed. [2021-10-28 09:49:55,132 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 350) no Hoare annotation was computed. [2021-10-28 09:49:55,132 INFO L853 garLoopResultBuilder]: At program point L344-1(lines 344 350) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1)))) [2021-10-28 09:49:55,132 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 09:49:55,132 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 421) no Hoare annotation was computed. [2021-10-28 09:49:55,133 INFO L853 garLoopResultBuilder]: At program point L415-1(lines 108 114) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2) (and .cse0 .cse3 .cse2 .cse4) (and .cse0 .cse3 .cse5 .cse4) (and .cse0 .cse5 .cse1))) [2021-10-28 09:49:55,133 INFO L860 garLoopResultBuilder]: At program point L680(lines 661 683) the Hoare annotation is: true [2021-10-28 09:49:55,133 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:49:55,133 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:49:55,133 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2021-10-28 09:49:55,133 INFO L857 garLoopResultBuilder]: For program point L491-3(lines 491 495) no Hoare annotation was computed. [2021-10-28 09:49:55,133 INFO L857 garLoopResultBuilder]: For program point L491-6(lines 491 495) no Hoare annotation was computed. [2021-10-28 09:49:55,134 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 234) no Hoare annotation was computed. [2021-10-28 09:49:55,134 INFO L857 garLoopResultBuilder]: For program point L228-2(lines 228 234) no Hoare annotation was computed. [2021-10-28 09:49:55,134 INFO L857 garLoopResultBuilder]: For program point L228-4(lines 228 234) no Hoare annotation was computed. [2021-10-28 09:49:55,134 INFO L857 garLoopResultBuilder]: For program point L228-6(lines 228 234) no Hoare annotation was computed. [2021-10-28 09:49:55,134 INFO L857 garLoopResultBuilder]: For program point L228-8(lines 228 234) no Hoare annotation was computed. [2021-10-28 09:49:55,134 INFO L857 garLoopResultBuilder]: For program point L228-10(lines 228 234) no Hoare annotation was computed. [2021-10-28 09:49:55,134 INFO L857 garLoopResultBuilder]: For program point L228-12(lines 228 234) no Hoare annotation was computed. [2021-10-28 09:49:55,135 INFO L857 garLoopResultBuilder]: For program point L228-14(lines 228 234) no Hoare annotation was computed. [2021-10-28 09:49:55,135 INFO L857 garLoopResultBuilder]: For program point L228-16(lines 228 234) no Hoare annotation was computed. [2021-10-28 09:49:55,135 INFO L857 garLoopResultBuilder]: For program point L228-18(lines 228 234) no Hoare annotation was computed. [2021-10-28 09:49:55,135 INFO L857 garLoopResultBuilder]: For program point L228-20(lines 228 234) no Hoare annotation was computed. [2021-10-28 09:49:55,135 INFO L857 garLoopResultBuilder]: For program point L228-22(lines 228 234) no Hoare annotation was computed. [2021-10-28 09:49:55,135 INFO L853 garLoopResultBuilder]: At program point L427(lines 376 428) the Hoare annotation is: false [2021-10-28 09:49:55,135 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 183) no Hoare annotation was computed. [2021-10-28 09:49:55,136 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 166 183) no Hoare annotation was computed. [2021-10-28 09:49:55,136 INFO L857 garLoopResultBuilder]: For program point L166-2(lines 166 183) no Hoare annotation was computed. [2021-10-28 09:49:55,136 INFO L857 garLoopResultBuilder]: For program point L166-3(lines 166 183) no Hoare annotation was computed. [2021-10-28 09:49:55,136 INFO L857 garLoopResultBuilder]: For program point L166-4(lines 166 183) no Hoare annotation was computed. [2021-10-28 09:49:55,136 INFO L857 garLoopResultBuilder]: For program point L166-5(lines 166 183) no Hoare annotation was computed. [2021-10-28 09:49:55,140 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:49:55,141 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:49:55,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:49:55 BoogieIcfgContainer [2021-10-28 09:49:55,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:49:55,176 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:49:55,176 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:49:55,177 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:49:55,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:49:36" (3/4) ... [2021-10-28 09:49:55,180 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:49:55,213 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 09:49:55,216 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 09:49:55,218 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 09:49:55,221 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 09:49:55,224 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:49:55,226 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:49:55,228 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:49:55,255 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 0 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && 1 <= \result) && 0 == systemActive) [2021-10-28 09:49:55,256 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 0 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && 1 <= \result) && 0 == systemActive) [2021-10-28 09:49:55,257 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-28 09:49:55,259 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 1 <= \result) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) [2021-10-28 09:49:55,259 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result) || (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) [2021-10-28 09:49:55,260 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result) && 1 <= \result) [2021-10-28 09:49:55,261 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && 1 <= \result) && 0 == systemActive) [2021-10-28 09:49:55,264 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-28 09:49:55,265 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-28 09:49:55,266 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-28 09:49:55,266 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result) [2021-10-28 09:49:55,267 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-28 09:49:55,267 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result) && 1 <= \result) [2021-10-28 09:49:55,268 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-28 09:49:55,269 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-28 09:49:55,269 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-28 09:49:55,269 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-28 09:49:55,270 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-28 09:49:55,270 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-28 09:49:55,366 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:49:55,367 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:49:55,368 INFO L168 Benchmark]: Toolchain (without parser) took 21216.99 ms. Allocated memory was 79.7 MB in the beginning and 247.5 MB in the end (delta: 167.8 MB). Free memory was 53.8 MB in the beginning and 125.3 MB in the end (delta: -71.5 MB). Peak memory consumption was 95.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:49:55,369 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 79.7 MB. Free memory is still 54.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:49:55,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.25 ms. Allocated memory was 79.7 MB in the beginning and 102.8 MB in the end (delta: 23.1 MB). Free memory was 53.6 MB in the beginning and 68.2 MB in the end (delta: -14.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:49:55,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.34 ms. Allocated memory is still 102.8 MB. Free memory was 68.2 MB in the beginning and 62.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:49:55,370 INFO L168 Benchmark]: Boogie Preprocessor took 106.42 ms. Allocated memory is still 102.8 MB. Free memory was 62.4 MB in the beginning and 58.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:49:55,370 INFO L168 Benchmark]: RCFGBuilder took 1769.59 ms. Allocated memory is still 102.8 MB. Free memory was 58.1 MB in the beginning and 61.4 MB in the end (delta: -3.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:49:55,371 INFO L168 Benchmark]: TraceAbstraction took 18238.93 ms. Allocated memory was 102.8 MB in the beginning and 247.5 MB in the end (delta: 144.7 MB). Free memory was 60.9 MB in the beginning and 146.3 MB in the end (delta: -85.3 MB). Peak memory consumption was 134.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:49:55,371 INFO L168 Benchmark]: Witness Printer took 190.47 ms. Allocated memory is still 247.5 MB. Free memory was 146.3 MB in the beginning and 125.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:49:55,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 79.7 MB. Free memory is still 54.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 715.25 ms. Allocated memory was 79.7 MB in the beginning and 102.8 MB in the end (delta: 23.1 MB). Free memory was 53.6 MB in the beginning and 68.2 MB in the end (delta: -14.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 170.34 ms. Allocated memory is still 102.8 MB. Free memory was 68.2 MB in the beginning and 62.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 106.42 ms. Allocated memory is still 102.8 MB. Free memory was 62.4 MB in the beginning and 58.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1769.59 ms. Allocated memory is still 102.8 MB. Free memory was 58.1 MB in the beginning and 61.4 MB in the end (delta: -3.3 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18238.93 ms. Allocated memory was 102.8 MB in the beginning and 247.5 MB in the end (delta: 144.7 MB). Free memory was 60.9 MB in the beginning and 146.3 MB in the end (delta: -85.3 MB). Peak memory consumption was 134.9 MB. Max. memory is 16.1 GB. * Witness Printer took 190.47 ms. Allocated memory is still 247.5 MB. Free memory was 146.3 MB in the beginning and 125.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 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: 440]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 440]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 440]: 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, 231 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 18.1s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2116 SDtfs, 3103 SDslu, 3907 SDs, 0 SdLazy, 561 SolverSat, 137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 273 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=493occurred in iteration=9, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 3106 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 93 LocationsWithAnnotation, 93 PreInvPairs, 359 NumberOfFragments, 1017 HoareAnnotationTreeSize, 93 FomulaSimplifications, 4863455 FormulaSimplificationTreeSizeReduction, 3.9s HoareSimplificationTime, 93 FomulaSimplificationsInter, 675993 FormulaSimplificationTreeSizeReductionInter, 6.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 656 NumberOfCodeBlocks, 656 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 641 ConstructedInterpolants, 0 QuantifiedInterpolants, 1019 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1028 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 150/154 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: 523]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result) - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result) && 1 <= \result) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 0 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && 1 <= \result) && 0 == systemActive) - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result) && 1 <= \result) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && 0 == systemActive) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) || ((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result) || (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 1 <= \result) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 0 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == 0)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && 1 <= \result) && 0 == systemActive) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 643]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || (((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && 1 <= \result) && 0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:49:55,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cea4363c-3547-4a12-a451-a81c783b59ed/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...