./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC --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 fed47f8471b5c81afa3edb58ddb4d4213a39ce3e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:20:47,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:20:47,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:20:47,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:20:47,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:20:47,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:20:47,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:20:47,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:20:47,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:20:47,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:20:47,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:20:47,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:20:47,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:20:47,480 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:20:47,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:20:47,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:20:47,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:20:47,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:20:47,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:20:47,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:20:47,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:20:47,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:20:47,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:20:47,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:20:47,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:20:47,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:20:47,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:20:47,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:20:47,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:20:47,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:20:47,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:20:47,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:20:47,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:20:47,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:20:47,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:20:47,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:20:47,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:20:47,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:20:47,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:20:47,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:20:47,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:20:47,540 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:20:47,596 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:20:47,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:20:47,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:20:47,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:20:47,600 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:20:47,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:20:47,601 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:20:47,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:20:47,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:20:47,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:20:47,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:20:47,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:20:47,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:20:47,604 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:20:47,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:20:47,604 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:20:47,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:20:47,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:20:47,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:20:47,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:20:47,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:20:47,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:20:47,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:20:47,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:20:47,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:20:47,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:20:47,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:20:47,608 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:20:47,608 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_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fed47f8471b5c81afa3edb58ddb4d4213a39ce3e [2021-10-11 00:20:47,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:20:47,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:20:47,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:20:47,974 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:20:47,975 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:20:47,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-10-11 00:20:48,035 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC/data/e6d7ef8d4/2810b143c1f441e89d24bf38684f1dfb/FLAG2755fa222 [2021-10-11 00:20:48,563 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:20:48,564 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-10-11 00:20:48,590 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC/data/e6d7ef8d4/2810b143c1f441e89d24bf38684f1dfb/FLAG2755fa222 [2021-10-11 00:20:49,055 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC/data/e6d7ef8d4/2810b143c1f441e89d24bf38684f1dfb [2021-10-11 00:20:49,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:20:49,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:20:49,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:49,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:20:49,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:20:49,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:49" (1/1) ... [2021-10-11 00:20:49,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c64a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:49, skipping insertion in model container [2021-10-11 00:20:49,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:20:49" (1/1) ... [2021-10-11 00:20:49,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:20:49,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:20:49,315 WARN L226 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_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1281,1294] [2021-10-11 00:20:49,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:49,456 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:20:49,470 WARN L226 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_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1281,1294] [2021-10-11 00:20:49,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:20:49,610 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:20:49,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:49 WrapperNode [2021-10-11 00:20:49,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:20:49,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:49,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:20:49,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:20:49,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:49" (1/1) ... [2021-10-11 00:20:49,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:49" (1/1) ... [2021-10-11 00:20:49,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:20:49,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:20:49,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:20:49,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:20:49,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:49" (1/1) ... [2021-10-11 00:20:49,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:49" (1/1) ... [2021-10-11 00:20:49,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:49" (1/1) ... [2021-10-11 00:20:49,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:49" (1/1) ... [2021-10-11 00:20:49,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:49" (1/1) ... [2021-10-11 00:20:49,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:49" (1/1) ... [2021-10-11 00:20:49,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:49" (1/1) ... [2021-10-11 00:20:49,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:20:49,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:20:49,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:20:49,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:20:49,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:49" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:20:49,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:20:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:20:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:20:49,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:20:50,784 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:20:50,784 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-11 00:20:50,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:50 BoogieIcfgContainer [2021-10-11 00:20:50,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:20:50,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:20:50,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:20:50,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:20:50,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:20:49" (1/3) ... [2021-10-11 00:20:50,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e7f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:50, skipping insertion in model container [2021-10-11 00:20:50,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:20:49" (2/3) ... [2021-10-11 00:20:50,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69e7f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:20:50, skipping insertion in model container [2021-10-11 00:20:50,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:50" (3/3) ... [2021-10-11 00:20:50,797 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2021-10-11 00:20:50,813 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:20:50,817 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:20:50,829 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:20:50,857 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:20:50,857 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:20:50,857 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:20:50,857 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:20:50,858 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:20:50,858 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:20:50,858 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:20:50,858 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:20:50,891 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2021-10-11 00:20:50,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:20:50,898 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:50,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:50,899 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:50,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:50,906 INFO L82 PathProgramCache]: Analyzing trace with hash -986925596, now seen corresponding path program 1 times [2021-10-11 00:20:50,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:50,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483984585] [2021-10-11 00:20:50,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:51,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483984585] [2021-10-11 00:20:51,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:51,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:20:51,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347503493] [2021-10-11 00:20:51,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:20:51,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:51,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:20:51,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:20:51,265 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2021-10-11 00:20:51,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:51,335 INFO L93 Difference]: Finished difference Result 263 states and 396 transitions. [2021-10-11 00:20:51,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:20:51,337 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:20:51,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:51,350 INFO L225 Difference]: With dead ends: 263 [2021-10-11 00:20:51,351 INFO L226 Difference]: Without dead ends: 131 [2021-10-11 00:20:51,355 INFO L677 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 [2021-10-11 00:20:51,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-11 00:20:51,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-10-11 00:20:51,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2021-10-11 00:20:51,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 190 transitions. [2021-10-11 00:20:51,444 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 190 transitions. Word has length 18 [2021-10-11 00:20:51,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:51,444 INFO L481 AbstractCegarLoop]: Abstraction has 131 states and 190 transitions. [2021-10-11 00:20:51,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:20:51,445 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 190 transitions. [2021-10-11 00:20:51,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:20:51,448 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:51,448 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:51,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:20:51,449 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:51,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:51,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1205761565, now seen corresponding path program 1 times [2021-10-11 00:20:51,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:51,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138313208] [2021-10-11 00:20:51,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:51,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:51,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138313208] [2021-10-11 00:20:51,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:51,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:51,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371892748] [2021-10-11 00:20:51,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:51,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:51,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:51,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:51,657 INFO L87 Difference]: Start difference. First operand 131 states and 190 transitions. Second operand 3 states. [2021-10-11 00:20:51,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:51,684 INFO L93 Difference]: Finished difference Result 131 states and 190 transitions. [2021-10-11 00:20:51,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:51,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:20:51,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:51,688 INFO L225 Difference]: With dead ends: 131 [2021-10-11 00:20:51,689 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 00:20:51,690 INFO L677 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 [2021-10-11 00:20:51,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 00:20:51,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 00:20:51,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 00:20:51,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-11 00:20:51,705 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2021-10-11 00:20:51,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:51,706 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-11 00:20:51,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:51,707 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-11 00:20:51,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:20:51,709 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:51,710 INFO L422 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] [2021-10-11 00:20:51,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:20:51,711 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:51,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:51,712 INFO L82 PathProgramCache]: Analyzing trace with hash 462208575, now seen corresponding path program 1 times [2021-10-11 00:20:51,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:51,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872939639] [2021-10-11 00:20:51,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:51,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:51,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872939639] [2021-10-11 00:20:51,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:51,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:20:51,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004340775] [2021-10-11 00:20:51,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:51,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:51,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:51,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:51,808 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2021-10-11 00:20:51,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:51,841 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-11 00:20:51,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:51,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:20:51,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:51,846 INFO L225 Difference]: With dead ends: 151 [2021-10-11 00:20:51,847 INFO L226 Difference]: Without dead ends: 103 [2021-10-11 00:20:51,850 INFO L677 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 [2021-10-11 00:20:51,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-11 00:20:51,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2021-10-11 00:20:51,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2021-10-11 00:20:51,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 146 transitions. [2021-10-11 00:20:51,864 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 146 transitions. Word has length 24 [2021-10-11 00:20:51,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:51,864 INFO L481 AbstractCegarLoop]: Abstraction has 99 states and 146 transitions. [2021-10-11 00:20:51,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:51,865 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 146 transitions. [2021-10-11 00:20:51,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:20:51,866 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:51,866 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:51,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:20:51,867 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:51,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:51,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1540791297, now seen corresponding path program 1 times [2021-10-11 00:20:51,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:51,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819584365] [2021-10-11 00:20:51,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:52,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:52,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819584365] [2021-10-11 00:20:52,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:52,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:20:52,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320760331] [2021-10-11 00:20:52,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:52,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:52,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:52,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:52,020 INFO L87 Difference]: Start difference. First operand 99 states and 146 transitions. Second operand 3 states. [2021-10-11 00:20:52,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:52,063 INFO L93 Difference]: Finished difference Result 234 states and 351 transitions. [2021-10-11 00:20:52,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:52,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 00:20:52,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:52,065 INFO L225 Difference]: With dead ends: 234 [2021-10-11 00:20:52,065 INFO L226 Difference]: Without dead ends: 142 [2021-10-11 00:20:52,066 INFO L677 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 [2021-10-11 00:20:52,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-10-11 00:20:52,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 140. [2021-10-11 00:20:52,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2021-10-11 00:20:52,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 204 transitions. [2021-10-11 00:20:52,079 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 204 transitions. Word has length 26 [2021-10-11 00:20:52,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:52,080 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 204 transitions. [2021-10-11 00:20:52,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:52,080 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2021-10-11 00:20:52,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 00:20:52,084 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:52,085 INFO L422 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] [2021-10-11 00:20:52,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:20:52,085 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:52,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:52,086 INFO L82 PathProgramCache]: Analyzing trace with hash 783716552, now seen corresponding path program 1 times [2021-10-11 00:20:52,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:52,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836964090] [2021-10-11 00:20:52,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:52,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:52,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836964090] [2021-10-11 00:20:52,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:52,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:20:52,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344962508] [2021-10-11 00:20:52,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:20:52,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:52,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:20:52,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:20:52,202 INFO L87 Difference]: Start difference. First operand 140 states and 204 transitions. Second operand 5 states. [2021-10-11 00:20:52,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:52,389 INFO L93 Difference]: Finished difference Result 685 states and 1010 transitions. [2021-10-11 00:20:52,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:20:52,389 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 00:20:52,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:52,394 INFO L225 Difference]: With dead ends: 685 [2021-10-11 00:20:52,395 INFO L226 Difference]: Without dead ends: 552 [2021-10-11 00:20:52,397 INFO L677 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 [2021-10-11 00:20:52,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2021-10-11 00:20:52,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 259. [2021-10-11 00:20:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2021-10-11 00:20:52,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 372 transitions. [2021-10-11 00:20:52,445 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 372 transitions. Word has length 27 [2021-10-11 00:20:52,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:52,446 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 372 transitions. [2021-10-11 00:20:52,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:20:52,446 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 372 transitions. [2021-10-11 00:20:52,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 00:20:52,449 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:52,450 INFO L422 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] [2021-10-11 00:20:52,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:20:52,450 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:52,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:52,451 INFO L82 PathProgramCache]: Analyzing trace with hash -650428608, now seen corresponding path program 1 times [2021-10-11 00:20:52,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:52,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068284590] [2021-10-11 00:20:52,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:52,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:52,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068284590] [2021-10-11 00:20:52,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:52,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:20:52,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067107286] [2021-10-11 00:20:52,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:20:52,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:52,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:20:52,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:20:52,576 INFO L87 Difference]: Start difference. First operand 259 states and 372 transitions. Second operand 5 states. [2021-10-11 00:20:52,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:52,761 INFO L93 Difference]: Finished difference Result 997 states and 1435 transitions. [2021-10-11 00:20:52,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:20:52,762 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-10-11 00:20:52,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:52,768 INFO L225 Difference]: With dead ends: 997 [2021-10-11 00:20:52,768 INFO L226 Difference]: Without dead ends: 745 [2021-10-11 00:20:52,769 INFO L677 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 [2021-10-11 00:20:52,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2021-10-11 00:20:52,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 257. [2021-10-11 00:20:52,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2021-10-11 00:20:52,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 366 transitions. [2021-10-11 00:20:52,803 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 366 transitions. Word has length 28 [2021-10-11 00:20:52,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:52,804 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 366 transitions. [2021-10-11 00:20:52,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:20:52,804 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 366 transitions. [2021-10-11 00:20:52,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 00:20:52,806 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:52,806 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:52,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:20:52,807 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:52,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:52,807 INFO L82 PathProgramCache]: Analyzing trace with hash -862410324, now seen corresponding path program 1 times [2021-10-11 00:20:52,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:52,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92966698] [2021-10-11 00:20:52,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:52,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92966698] [2021-10-11 00:20:52,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:52,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:20:52,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630145285] [2021-10-11 00:20:52,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:20:52,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:52,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:20:52,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:20:52,869 INFO L87 Difference]: Start difference. First operand 257 states and 366 transitions. Second operand 5 states. [2021-10-11 00:20:52,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:52,972 INFO L93 Difference]: Finished difference Result 687 states and 965 transitions. [2021-10-11 00:20:52,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:20:52,973 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-10-11 00:20:52,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:52,976 INFO L225 Difference]: With dead ends: 687 [2021-10-11 00:20:52,977 INFO L226 Difference]: Without dead ends: 437 [2021-10-11 00:20:52,977 INFO L677 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 [2021-10-11 00:20:52,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2021-10-11 00:20:53,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 281. [2021-10-11 00:20:53,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2021-10-11 00:20:53,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 390 transitions. [2021-10-11 00:20:53,010 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 390 transitions. Word has length 36 [2021-10-11 00:20:53,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:53,011 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 390 transitions. [2021-10-11 00:20:53,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:20:53,011 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 390 transitions. [2021-10-11 00:20:53,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 00:20:53,013 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:53,013 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:53,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:20:53,013 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:53,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:53,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1873527574, now seen corresponding path program 1 times [2021-10-11 00:20:53,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:53,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229027326] [2021-10-11 00:20:53,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:53,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229027326] [2021-10-11 00:20:53,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:53,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:20:53,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9711076] [2021-10-11 00:20:53,076 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:20:53,077 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:53,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:20:53,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:20:53,078 INFO L87 Difference]: Start difference. First operand 281 states and 390 transitions. Second operand 4 states. [2021-10-11 00:20:53,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:53,161 INFO L93 Difference]: Finished difference Result 675 states and 927 transitions. [2021-10-11 00:20:53,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:20:53,162 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2021-10-11 00:20:53,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:53,165 INFO L225 Difference]: With dead ends: 675 [2021-10-11 00:20:53,165 INFO L226 Difference]: Without dead ends: 401 [2021-10-11 00:20:53,166 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:20:53,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-10-11 00:20:53,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 297. [2021-10-11 00:20:53,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2021-10-11 00:20:53,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 406 transitions. [2021-10-11 00:20:53,195 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 406 transitions. Word has length 36 [2021-10-11 00:20:53,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:53,196 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 406 transitions. [2021-10-11 00:20:53,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:20:53,196 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 406 transitions. [2021-10-11 00:20:53,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 00:20:53,197 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:53,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:53,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:20:53,197 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:53,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:53,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1400371368, now seen corresponding path program 1 times [2021-10-11 00:20:53,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:53,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112057287] [2021-10-11 00:20:53,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:53,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:53,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112057287] [2021-10-11 00:20:53,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:53,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:20:53,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972067638] [2021-10-11 00:20:53,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:53,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:53,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:53,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:53,247 INFO L87 Difference]: Start difference. First operand 297 states and 406 transitions. Second operand 3 states. [2021-10-11 00:20:53,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:53,299 INFO L93 Difference]: Finished difference Result 691 states and 939 transitions. [2021-10-11 00:20:53,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:53,300 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2021-10-11 00:20:53,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:53,303 INFO L225 Difference]: With dead ends: 691 [2021-10-11 00:20:53,303 INFO L226 Difference]: Without dead ends: 401 [2021-10-11 00:20:53,304 INFO L677 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 [2021-10-11 00:20:53,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2021-10-11 00:20:53,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2021-10-11 00:20:53,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2021-10-11 00:20:53,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 532 transitions. [2021-10-11 00:20:53,350 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 532 transitions. Word has length 36 [2021-10-11 00:20:53,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:53,351 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 532 transitions. [2021-10-11 00:20:53,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:53,351 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 532 transitions. [2021-10-11 00:20:53,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 00:20:53,352 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:53,352 INFO L422 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] [2021-10-11 00:20:53,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:20:53,353 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:53,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:53,353 INFO L82 PathProgramCache]: Analyzing trace with hash -74107416, now seen corresponding path program 1 times [2021-10-11 00:20:53,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:53,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014779431] [2021-10-11 00:20:53,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:53,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:53,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014779431] [2021-10-11 00:20:53,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:53,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:20:53,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469204161] [2021-10-11 00:20:53,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:20:53,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:53,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:20:53,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:20:53,421 INFO L87 Difference]: Start difference. First operand 401 states and 532 transitions. Second operand 6 states. [2021-10-11 00:20:53,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:53,776 INFO L93 Difference]: Finished difference Result 1436 states and 1911 transitions. [2021-10-11 00:20:53,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 00:20:53,776 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2021-10-11 00:20:53,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:53,783 INFO L225 Difference]: With dead ends: 1436 [2021-10-11 00:20:53,783 INFO L226 Difference]: Without dead ends: 1042 [2021-10-11 00:20:53,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-10-11 00:20:53,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2021-10-11 00:20:53,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 401. [2021-10-11 00:20:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2021-10-11 00:20:53,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 522 transitions. [2021-10-11 00:20:53,855 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 522 transitions. Word has length 37 [2021-10-11 00:20:53,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:53,855 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 522 transitions. [2021-10-11 00:20:53,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:20:53,855 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 522 transitions. [2021-10-11 00:20:53,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 00:20:53,857 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:53,857 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:53,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:20:53,857 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:53,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:53,858 INFO L82 PathProgramCache]: Analyzing trace with hash 805243324, now seen corresponding path program 1 times [2021-10-11 00:20:53,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:53,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378725810] [2021-10-11 00:20:53,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:53,917 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:20:53,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378725810] [2021-10-11 00:20:53,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:20:53,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:20:53,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612674499] [2021-10-11 00:20:53,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:53,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:53,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:53,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:20:53,921 INFO L87 Difference]: Start difference. First operand 401 states and 522 transitions. Second operand 3 states. [2021-10-11 00:20:53,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:53,996 INFO L93 Difference]: Finished difference Result 489 states and 635 transitions. [2021-10-11 00:20:53,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:53,996 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2021-10-11 00:20:53,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:53,998 INFO L225 Difference]: With dead ends: 489 [2021-10-11 00:20:53,998 INFO L226 Difference]: Without dead ends: 200 [2021-10-11 00:20:53,999 INFO L677 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 [2021-10-11 00:20:54,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2021-10-11 00:20:54,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2021-10-11 00:20:54,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2021-10-11 00:20:54,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 250 transitions. [2021-10-11 00:20:54,021 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 250 transitions. Word has length 54 [2021-10-11 00:20:54,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:54,021 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 250 transitions. [2021-10-11 00:20:54,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:54,022 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 250 transitions. [2021-10-11 00:20:54,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 00:20:54,023 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:54,023 INFO L422 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] [2021-10-11 00:20:54,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:20:54,023 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:54,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:54,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1122601091, now seen corresponding path program 1 times [2021-10-11 00:20:54,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:54,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136139322] [2021-10-11 00:20:54,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:54,104 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:54,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136139322] [2021-10-11 00:20:54,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856808487] [2021-10-11 00:20:54,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:20:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:54,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 00:20:54,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:54,387 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:20:54,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:20:54,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-10-11 00:20:54,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145872779] [2021-10-11 00:20:54,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:20:54,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:54,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:20:54,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:20:54,389 INFO L87 Difference]: Start difference. First operand 200 states and 250 transitions. Second operand 3 states. [2021-10-11 00:20:54,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:54,442 INFO L93 Difference]: Finished difference Result 311 states and 393 transitions. [2021-10-11 00:20:54,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:20:54,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2021-10-11 00:20:54,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:54,448 INFO L225 Difference]: With dead ends: 311 [2021-10-11 00:20:54,448 INFO L226 Difference]: Without dead ends: 309 [2021-10-11 00:20:54,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:20:54,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2021-10-11 00:20:54,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 224. [2021-10-11 00:20:54,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2021-10-11 00:20:54,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 285 transitions. [2021-10-11 00:20:54,474 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 285 transitions. Word has length 56 [2021-10-11 00:20:54,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:54,475 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 285 transitions. [2021-10-11 00:20:54,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:20:54,476 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 285 transitions. [2021-10-11 00:20:54,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-10-11 00:20:54,477 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:20:54,477 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:20:54,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-11 00:20:54,705 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:20:54,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:20:54,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1232018689, now seen corresponding path program 1 times [2021-10-11 00:20:54,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:20:54,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375804084] [2021-10-11 00:20:54,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:20:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:54,800 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-11 00:20:54,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375804084] [2021-10-11 00:20:54,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797188223] [2021-10-11 00:20:54,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:20:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:20:54,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 00:20:54,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:20:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-11 00:20:55,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:20:55,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2021-10-11 00:20:55,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351183213] [2021-10-11 00:20:55,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:20:55,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:20:55,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:20:55,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:20:55,171 INFO L87 Difference]: Start difference. First operand 224 states and 285 transitions. Second operand 6 states. [2021-10-11 00:20:55,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:20:55,431 INFO L93 Difference]: Finished difference Result 523 states and 657 transitions. [2021-10-11 00:20:55,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:20:55,432 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2021-10-11 00:20:55,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:20:55,433 INFO L225 Difference]: With dead ends: 523 [2021-10-11 00:20:55,433 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:20:55,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2021-10-11 00:20:55,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:20:55,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:20:55,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:20:55,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:20:55,436 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2021-10-11 00:20:55,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:20:55,437 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:20:55,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:20:55,437 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:20:55,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:20:55,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-11 00:20:55,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:20:55,962 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 104 [2021-10-11 00:20:56,428 WARN L197 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 129 [2021-10-11 00:20:56,776 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 105 [2021-10-11 00:20:57,088 WARN L197 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 144 [2021-10-11 00:20:57,373 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 110 [2021-10-11 00:20:57,497 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 91 [2021-10-11 00:20:57,605 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 73 [2021-10-11 00:20:57,873 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 94 [2021-10-11 00:20:58,223 WARN L197 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 23 [2021-10-11 00:20:58,937 WARN L197 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 24 [2021-10-11 00:20:59,508 WARN L197 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 14 [2021-10-11 00:21:00,335 WARN L197 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 26 [2021-10-11 00:21:00,635 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 30 [2021-10-11 00:21:00,952 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 24 [2021-10-11 00:21:01,305 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 24 [2021-10-11 00:21:01,536 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 13 [2021-10-11 00:21:01,842 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 30 [2021-10-11 00:21:02,303 WARN L197 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 14 [2021-10-11 00:21:02,314 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:21:02,314 INFO L262 CegarLoopResult]: For program point L929(lines 929 935) no Hoare annotation was computed. [2021-10-11 00:21:02,314 INFO L258 CegarLoopResult]: At program point L929-1(lines 929 935) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3 0)) (.cse5 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4 .cse6) (and .cse7 .cse8 .cse2 .cse9 .cse3 .cse4) (and .cse5 .cse8 .cse3 .cse4 .cse6) (and .cse7 .cse5 .cse8 .cse9 .cse4 .cse6))) [2021-10-11 00:21:02,315 INFO L262 CegarLoopResult]: For program point L764(lines 764 781) no Hoare annotation was computed. [2021-10-11 00:21:02,315 INFO L262 CegarLoopResult]: For program point L764-1(lines 764 781) no Hoare annotation was computed. [2021-10-11 00:21:02,315 INFO L262 CegarLoopResult]: For program point L764-2(lines 764 781) no Hoare annotation was computed. [2021-10-11 00:21:02,315 INFO L262 CegarLoopResult]: For program point L632(lines 632 636) no Hoare annotation was computed. [2021-10-11 00:21:02,315 INFO L262 CegarLoopResult]: For program point L897(lines 897 903) no Hoare annotation was computed. [2021-10-11 00:21:02,316 INFO L258 CegarLoopResult]: At program point L897-1(lines 897 903) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1))) [2021-10-11 00:21:02,316 INFO L262 CegarLoopResult]: For program point L800(lines 800 806) no Hoare annotation was computed. [2021-10-11 00:21:02,316 INFO L262 CegarLoopResult]: For program point L800-2(lines 800 806) no Hoare annotation was computed. [2021-10-11 00:21:02,316 INFO L262 CegarLoopResult]: For program point L800-4(lines 800 806) no Hoare annotation was computed. [2021-10-11 00:21:02,316 INFO L262 CegarLoopResult]: For program point L800-6(lines 800 806) no Hoare annotation was computed. [2021-10-11 00:21:02,317 INFO L262 CegarLoopResult]: For program point L800-8(lines 800 806) no Hoare annotation was computed. [2021-10-11 00:21:02,317 INFO L262 CegarLoopResult]: For program point L800-10(lines 800 806) no Hoare annotation was computed. [2021-10-11 00:21:02,317 INFO L258 CegarLoopResult]: At program point L834(lines 829 837) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= 1 ~systemActive~0) .cse2 .cse3 .cse4))) [2021-10-11 00:21:02,317 INFO L258 CegarLoopResult]: At program point L834-1(lines 829 837) the Hoare annotation is: false [2021-10-11 00:21:02,318 INFO L262 CegarLoopResult]: For program point L768(lines 768 776) no Hoare annotation was computed. [2021-10-11 00:21:02,318 INFO L258 CegarLoopResult]: At program point L834-2(lines 829 837) the Hoare annotation is: false [2021-10-11 00:21:02,319 INFO L262 CegarLoopResult]: For program point L768-1(lines 768 776) no Hoare annotation was computed. [2021-10-11 00:21:02,320 INFO L262 CegarLoopResult]: For program point L768-2(lines 768 776) no Hoare annotation was computed. [2021-10-11 00:21:02,321 INFO L258 CegarLoopResult]: At program point L967(lines 918 968) the Hoare annotation is: false [2021-10-11 00:21:02,321 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:21:02,322 INFO L258 CegarLoopResult]: At program point L76(lines 1 974) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:21:02,322 INFO L262 CegarLoopResult]: For program point L738(lines 738 755) no Hoare annotation was computed. [2021-10-11 00:21:02,322 INFO L262 CegarLoopResult]: For program point L738-1(lines 738 755) no Hoare annotation was computed. [2021-10-11 00:21:02,322 INFO L262 CegarLoopResult]: For program point L738-2(lines 738 755) no Hoare annotation was computed. [2021-10-11 00:21:02,322 INFO L262 CegarLoopResult]: For program point L738-3(lines 738 755) no Hoare annotation was computed. [2021-10-11 00:21:02,322 INFO L262 CegarLoopResult]: For program point L738-4(lines 738 755) no Hoare annotation was computed. [2021-10-11 00:21:02,323 INFO L262 CegarLoopResult]: For program point L738-5(lines 738 755) no Hoare annotation was computed. [2021-10-11 00:21:02,323 INFO L262 CegarLoopResult]: For program point L474(lines 474 491) no Hoare annotation was computed. [2021-10-11 00:21:02,324 INFO L258 CegarLoopResult]: At program point L474-1(lines 1 974) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3 0)) (.cse5 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4 .cse6) (and .cse7 .cse8 .cse2 .cse9 .cse3 .cse4) (and .cse5 .cse8 .cse3 .cse4 .cse6) (and .cse7 .cse5 .cse8 .cse9 .cse4 .cse6))) [2021-10-11 00:21:02,324 INFO L262 CegarLoopResult]: For program point L474-2(lines 474 491) no Hoare annotation was computed. [2021-10-11 00:21:02,325 INFO L258 CegarLoopResult]: At program point L474-3(lines 1 974) the Hoare annotation is: false [2021-10-11 00:21:02,325 INFO L262 CegarLoopResult]: For program point L474-4(lines 474 491) no Hoare annotation was computed. [2021-10-11 00:21:02,325 INFO L258 CegarLoopResult]: At program point L474-5(lines 1 974) the Hoare annotation is: false [2021-10-11 00:21:02,325 INFO L258 CegarLoopResult]: At program point L706(lines 705 724) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse4 .cse5 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3))) [2021-10-11 00:21:02,325 INFO L262 CegarLoopResult]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2021-10-11 00:21:02,326 INFO L258 CegarLoopResult]: At program point L706-2(lines 705 724) the Hoare annotation is: false [2021-10-11 00:21:02,326 INFO L258 CegarLoopResult]: At program point L706-3(lines 705 724) the Hoare annotation is: false [2021-10-11 00:21:02,326 INFO L258 CegarLoopResult]: At program point L508-2(lines 508 522) the Hoare annotation is: false [2021-10-11 00:21:02,326 INFO L262 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-11 00:21:02,326 INFO L262 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-11 00:21:02,326 INFO L262 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-11 00:21:02,326 INFO L262 CegarLoopResult]: For program point L608(lines 608 612) no Hoare annotation was computed. [2021-10-11 00:21:02,327 INFO L262 CegarLoopResult]: For program point L608-3(lines 608 612) no Hoare annotation was computed. [2021-10-11 00:21:02,327 INFO L262 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-11 00:21:02,327 INFO L262 CegarLoopResult]: For program point L608-6(lines 608 612) no Hoare annotation was computed. [2021-10-11 00:21:02,327 INFO L262 CegarLoopResult]: For program point L939(lines 939 945) no Hoare annotation was computed. [2021-10-11 00:21:02,327 INFO L258 CegarLoopResult]: At program point L939-1(lines 939 945) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse4 .cse5 .cse3) (and .cse5 .cse1 .cse2 .cse3))) [2021-10-11 00:21:02,327 INFO L262 CegarLoopResult]: For program point L742(lines 742 750) no Hoare annotation was computed. [2021-10-11 00:21:02,328 INFO L262 CegarLoopResult]: For program point L742-1(lines 742 750) no Hoare annotation was computed. [2021-10-11 00:21:02,328 INFO L262 CegarLoopResult]: For program point L742-2(lines 742 750) no Hoare annotation was computed. [2021-10-11 00:21:02,328 INFO L262 CegarLoopResult]: For program point L742-3(lines 742 750) no Hoare annotation was computed. [2021-10-11 00:21:02,328 INFO L262 CegarLoopResult]: For program point L742-4(lines 742 750) no Hoare annotation was computed. [2021-10-11 00:21:02,328 INFO L262 CegarLoopResult]: For program point L742-5(lines 742 750) no Hoare annotation was computed. [2021-10-11 00:21:02,328 INFO L262 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-10-11 00:21:02,328 INFO L262 CegarLoopResult]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-10-11 00:21:02,329 INFO L262 CegarLoopResult]: For program point L478-4(lines 478 488) no Hoare annotation was computed. [2021-10-11 00:21:02,329 INFO L262 CegarLoopResult]: For program point L512(lines 512 516) no Hoare annotation was computed. [2021-10-11 00:21:02,329 INFO L262 CegarLoopResult]: For program point L479(lines 479 485) no Hoare annotation was computed. [2021-10-11 00:21:02,329 INFO L262 CegarLoopResult]: For program point L512-1(lines 706 712) no Hoare annotation was computed. [2021-10-11 00:21:02,329 INFO L262 CegarLoopResult]: For program point L479-2(lines 479 485) no Hoare annotation was computed. [2021-10-11 00:21:02,329 INFO L262 CegarLoopResult]: For program point L479-4(lines 479 485) no Hoare annotation was computed. [2021-10-11 00:21:02,330 INFO L258 CegarLoopResult]: At program point L645(lines 640 648) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1))) [2021-10-11 00:21:02,330 INFO L258 CegarLoopResult]: At program point L645-1(lines 640 648) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:02,330 INFO L258 CegarLoopResult]: At program point L645-2(lines 640 648) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2021-10-11 00:21:02,330 INFO L258 CegarLoopResult]: At program point L645-3(lines 640 648) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse7 .cse3 .cse4) (and .cse7 .cse5 .cse6 .cse4))) [2021-10-11 00:21:02,330 INFO L258 CegarLoopResult]: At program point L645-4(lines 640 648) the Hoare annotation is: false [2021-10-11 00:21:02,331 INFO L258 CegarLoopResult]: At program point L645-5(lines 640 648) the Hoare annotation is: false [2021-10-11 00:21:02,331 INFO L258 CegarLoopResult]: At program point L645-6(lines 640 648) the Hoare annotation is: false [2021-10-11 00:21:02,331 INFO L258 CegarLoopResult]: At program point L645-7(lines 640 648) the Hoare annotation is: false [2021-10-11 00:21:02,331 INFO L258 CegarLoopResult]: At program point L645-8(lines 640 648) the Hoare annotation is: false [2021-10-11 00:21:02,331 INFO L258 CegarLoopResult]: At program point L645-9(lines 640 648) the Hoare annotation is: false [2021-10-11 00:21:02,331 INFO L258 CegarLoopResult]: At program point L645-10(lines 640 648) the Hoare annotation is: false [2021-10-11 00:21:02,332 INFO L258 CegarLoopResult]: At program point L645-11(lines 640 648) the Hoare annotation is: false [2021-10-11 00:21:02,332 INFO L258 CegarLoopResult]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:21:02,332 INFO L258 CegarLoopResult]: At program point L713(lines 713 719) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3) (and .cse1 .cse5 .cse2 .cse3))) [2021-10-11 00:21:02,332 INFO L258 CegarLoopResult]: At program point L713-1(lines 713 719) the Hoare annotation is: false [2021-10-11 00:21:02,332 INFO L258 CegarLoopResult]: At program point L713-2(lines 713 719) the Hoare annotation is: false [2021-10-11 00:21:02,332 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:21:02,333 INFO L262 CegarLoopResult]: For program point L584(lines 584 591) no Hoare annotation was computed. [2021-10-11 00:21:02,333 INFO L265 CegarLoopResult]: At program point L584-1(lines 584 591) the Hoare annotation is: true [2021-10-11 00:21:02,333 INFO L262 CegarLoopResult]: For program point L949(lines 949 962) no Hoare annotation was computed. [2021-10-11 00:21:02,333 INFO L262 CegarLoopResult]: For program point L883(lines 883 887) no Hoare annotation was computed. [2021-10-11 00:21:02,334 INFO L262 CegarLoopResult]: For program point L883-2(lines 883 887) no Hoare annotation was computed. [2021-10-11 00:21:02,334 INFO L262 CegarLoopResult]: For program point L883-3(lines 883 887) no Hoare annotation was computed. [2021-10-11 00:21:02,335 INFO L262 CegarLoopResult]: For program point L883-5(lines 883 887) no Hoare annotation was computed. [2021-10-11 00:21:02,335 INFO L262 CegarLoopResult]: For program point L685(lines 685 691) no Hoare annotation was computed. [2021-10-11 00:21:02,335 INFO L262 CegarLoopResult]: For program point L883-6(lines 883 887) no Hoare annotation was computed. [2021-10-11 00:21:02,335 INFO L262 CegarLoopResult]: For program point L685-1(lines 685 691) no Hoare annotation was computed. [2021-10-11 00:21:02,335 INFO L262 CegarLoopResult]: For program point L685-2(lines 685 691) no Hoare annotation was computed. [2021-10-11 00:21:02,336 INFO L262 CegarLoopResult]: For program point L883-8(lines 883 887) no Hoare annotation was computed. [2021-10-11 00:21:02,337 INFO L262 CegarLoopResult]: For program point L685-3(lines 685 691) no Hoare annotation was computed. [2021-10-11 00:21:02,337 INFO L262 CegarLoopResult]: For program point L883-9(lines 883 887) no Hoare annotation was computed. [2021-10-11 00:21:02,337 INFO L262 CegarLoopResult]: For program point L685-4(lines 685 691) no Hoare annotation was computed. [2021-10-11 00:21:02,337 INFO L262 CegarLoopResult]: For program point L883-11(lines 883 887) no Hoare annotation was computed. [2021-10-11 00:21:02,337 INFO L262 CegarLoopResult]: For program point L685-5(lines 685 691) no Hoare annotation was computed. [2021-10-11 00:21:02,337 INFO L262 CegarLoopResult]: For program point L883-12(lines 883 887) no Hoare annotation was computed. [2021-10-11 00:21:02,337 INFO L262 CegarLoopResult]: For program point L883-14(lines 883 887) no Hoare annotation was computed. [2021-10-11 00:21:02,338 INFO L262 CegarLoopResult]: For program point L883-15(lines 883 887) no Hoare annotation was computed. [2021-10-11 00:21:02,338 INFO L262 CegarLoopResult]: For program point L883-17(lines 883 887) no Hoare annotation was computed. [2021-10-11 00:21:02,338 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:21:02,338 INFO L262 CegarLoopResult]: For program point L620(lines 620 624) no Hoare annotation was computed. [2021-10-11 00:21:02,338 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:21:02,338 INFO L262 CegarLoopResult]: For program point L920(lines 919 966) no Hoare annotation was computed. [2021-10-11 00:21:02,338 INFO L262 CegarLoopResult]: For program point L921(lines 921 925) no Hoare annotation was computed. [2021-10-11 00:21:02,339 INFO L258 CegarLoopResult]: At program point L690(lines 681 694) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:02,339 INFO L258 CegarLoopResult]: At program point L690-1(lines 681 694) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2021-10-11 00:21:02,339 INFO L258 CegarLoopResult]: At program point L690-2(lines 681 694) the Hoare annotation is: false [2021-10-11 00:21:02,339 INFO L258 CegarLoopResult]: At program point L690-3(lines 681 694) the Hoare annotation is: false [2021-10-11 00:21:02,339 INFO L258 CegarLoopResult]: At program point L690-4(lines 681 694) the Hoare annotation is: false [2021-10-11 00:21:02,339 INFO L258 CegarLoopResult]: At program point L690-5(lines 681 694) the Hoare annotation is: false [2021-10-11 00:21:02,340 INFO L262 CegarLoopResult]: For program point L955(lines 955 961) no Hoare annotation was computed. [2021-10-11 00:21:02,340 INFO L258 CegarLoopResult]: At program point L955-1(lines 706 712) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse4 .cse5 .cse3) (and .cse5 .cse1 .cse2 .cse3))) [2021-10-11 00:21:02,340 INFO L258 CegarLoopResult]: At program point L889(lines 874 892) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:02,340 INFO L258 CegarLoopResult]: At program point L889-1(lines 874 892) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2021-10-11 00:21:02,340 INFO L258 CegarLoopResult]: At program point L889-2(lines 874 892) the Hoare annotation is: false [2021-10-11 00:21:02,341 INFO L258 CegarLoopResult]: At program point L889-3(lines 874 892) the Hoare annotation is: false [2021-10-11 00:21:02,341 INFO L258 CegarLoopResult]: At program point L889-4(lines 874 892) the Hoare annotation is: false [2021-10-11 00:21:02,341 INFO L258 CegarLoopResult]: At program point L889-5(lines 874 892) the Hoare annotation is: false [2021-10-11 00:21:02,341 INFO L258 CegarLoopResult]: At program point L559(lines 555 561) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:21:02,341 INFO L265 CegarLoopResult]: At program point L593(lines 574 596) the Hoare annotation is: true [2021-10-11 00:21:02,341 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:21:02,341 INFO L258 CegarLoopResult]: At program point L825(lines 818 828) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1))) [2021-10-11 00:21:02,342 INFO L258 CegarLoopResult]: At program point L825-1(lines 818 828) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:21:02,342 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-11 00:21:02,342 INFO L258 CegarLoopResult]: At program point L825-2(lines 818 828) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2))) [2021-10-11 00:21:02,342 INFO L258 CegarLoopResult]: At program point L825-3(lines 818 828) the Hoare annotation is: false [2021-10-11 00:21:02,342 INFO L258 CegarLoopResult]: At program point L825-4(lines 818 828) the Hoare annotation is: false [2021-10-11 00:21:02,342 INFO L258 CegarLoopResult]: At program point L825-5(lines 818 828) the Hoare annotation is: false [2021-10-11 00:21:02,343 INFO L258 CegarLoopResult]: At program point L825-6(lines 818 828) the Hoare annotation is: false [2021-10-11 00:21:02,343 INFO L258 CegarLoopResult]: At program point L825-7(lines 818 828) the Hoare annotation is: false [2021-10-11 00:21:02,343 INFO L258 CegarLoopResult]: At program point L825-8(lines 818 828) the Hoare annotation is: false [2021-10-11 00:21:02,343 INFO L258 CegarLoopResult]: At program point L463(lines 458 465) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:21:02,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:21:02 BoogieIcfgContainer [2021-10-11 00:21:02,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:21:02,410 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:21:02,410 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:21:02,410 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:21:02,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:20:50" (3/4) ... [2021-10-11 00:21:02,414 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:21:02,449 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:21:02,451 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:21:02,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:21:02,454 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:21:02,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:21:02,457 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:02,458 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:21:02,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2021-10-11 00:21:02,493 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2021-10-11 00:21:02,496 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:21:02,498 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2021-10-11 00:21:02,499 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2021-10-11 00:21:02,500 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2021-10-11 00:21:02,505 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:21:02,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:21:02,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:21:02,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:21:02,515 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:21:02,515 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:21:02,515 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:21:02,626 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fcedd98-bb5a-4371-b809-2ca7ccfe2890/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:21:02,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:21:02,627 INFO L168 Benchmark]: Toolchain (without parser) took 13566.97 ms. Allocated memory was 107.0 MB in the beginning and 283.1 MB in the end (delta: 176.2 MB). Free memory was 76.7 MB in the beginning and 104.6 MB in the end (delta: -27.9 MB). Peak memory consumption was 148.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:02,627 INFO L168 Benchmark]: CDTParser took 0.68 ms. Allocated memory is still 107.0 MB. Free memory was 66.0 MB in the beginning and 66.0 MB in the end (delta: 37.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:21:02,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.78 ms. Allocated memory is still 107.0 MB. Free memory was 76.7 MB in the beginning and 71.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:02,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.32 ms. Allocated memory is still 107.0 MB. Free memory was 71.4 MB in the beginning and 67.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:02,629 INFO L168 Benchmark]: Boogie Preprocessor took 54.16 ms. Allocated memory is still 107.0 MB. Free memory was 67.2 MB in the beginning and 64.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:02,629 INFO L168 Benchmark]: RCFGBuilder took 1029.05 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 64.3 MB in the beginning and 61.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:02,630 INFO L168 Benchmark]: TraceAbstraction took 11620.49 ms. Allocated memory was 130.0 MB in the beginning and 283.1 MB in the end (delta: 153.1 MB). Free memory was 61.6 MB in the beginning and 117.2 MB in the end (delta: -55.6 MB). Peak memory consumption was 130.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:02,630 INFO L168 Benchmark]: Witness Printer took 216.49 ms. Allocated memory is still 283.1 MB. Free memory was 117.2 MB in the beginning and 104.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:21:02,633 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68 ms. Allocated memory is still 107.0 MB. Free memory was 66.0 MB in the beginning and 66.0 MB in the end (delta: 37.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 549.78 ms. Allocated memory is still 107.0 MB. Free memory was 76.7 MB in the beginning and 71.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.32 ms. Allocated memory is still 107.0 MB. Free memory was 71.4 MB in the beginning and 67.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.16 ms. Allocated memory is still 107.0 MB. Free memory was 67.2 MB in the beginning and 64.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1029.05 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 64.3 MB in the beginning and 61.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 31.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11620.49 ms. Allocated memory was 130.0 MB in the beginning and 283.1 MB in the end (delta: 153.1 MB). Free memory was 61.6 MB in the beginning and 117.2 MB in the end (delta: -55.6 MB). Peak memory consumption was 130.1 MB. Max. memory is 16.1 GB. * Witness Printer took 216.49 ms. Allocated memory is still 283.1 MB. Free memory was 117.2 MB in the beginning and 104.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) || ((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 135 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.8s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1486 SDtfs, 1680 SDslu, 2443 SDs, 0 SdLazy, 362 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=401occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 1773 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 241 NumberOfFragments, 879 HoareAnnotationTreeSize, 57 FomulaSimplifications, 650611 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 57 FomulaSimplificationsInter, 86266 FormulaSimplificationTreeSizeReductionInter, 4.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 609 NumberOfCodeBlocks, 609 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 594 ConstructedInterpolants, 0 QuantifiedInterpolants, 48072 SizeOfPredicates, 5 NumberOfNonLiveVariables, 948 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 121/141 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...