./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 278b945680d29bf571e1aaa42d90b0a6b141ce129976e6e0985d57b09f7f9d7c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:53:46,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:53:46,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:53:47,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:53:47,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:53:47,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:53:47,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:53:47,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:53:47,045 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:53:47,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:53:47,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:53:47,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:53:47,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:53:47,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:53:47,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:53:47,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:53:47,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:53:47,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:53:47,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:53:47,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:53:47,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:53:47,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:53:47,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:53:47,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:53:47,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:53:47,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:53:47,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:53:47,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:53:47,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:53:47,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:53:47,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:53:47,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:53:47,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:53:47,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:53:47,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:53:47,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:53:47,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:53:47,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:53:47,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:53:47,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:53:47,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:53:47,122 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:53:47,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:53:47,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:53:47,168 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:53:47,168 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:53:47,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:53:47,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:53:47,173 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:53:47,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:53:47,173 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:53:47,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:53:47,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:53:47,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:53:47,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:53:47,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:53:47,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:53:47,176 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:53:47,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:53:47,176 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:53:47,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:53:47,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:53:47,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:53:47,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:53:47,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:53:47,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:53:47,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:53:47,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:53:47,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:53:47,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:53:47,179 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:53:47,179 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:53:47,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:53:47,179 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:53:47,180 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_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 278b945680d29bf571e1aaa42d90b0a6b141ce129976e6e0985d57b09f7f9d7c [2021-10-28 22:53:47,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:53:47,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:53:47,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:53:47,546 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:53:47,546 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:53:47,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2021-10-28 22:53:47,633 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/data/08ae7f4e5/1933b7bc70494513a8d0669429d25dcc/FLAGffa4dc950 [2021-10-28 22:53:48,246 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:53:48,246 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2021-10-28 22:53:48,261 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/data/08ae7f4e5/1933b7bc70494513a8d0669429d25dcc/FLAGffa4dc950 [2021-10-28 22:53:48,569 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/data/08ae7f4e5/1933b7bc70494513a8d0669429d25dcc [2021-10-28 22:53:48,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:53:48,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:53:48,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:53:48,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:53:48,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:53:48,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:53:48" (1/1) ... [2021-10-28 22:53:48,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e80fdca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:48, skipping insertion in model container [2021-10-28 22:53:48,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:53:48" (1/1) ... [2021-10-28 22:53:48,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:53:48,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:53:49,190 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6886,6899] [2021-10-28 22:53:49,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:53:49,338 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:53:49,373 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6886,6899] [2021-10-28 22:53:49,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:53:49,427 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:53:49,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:49 WrapperNode [2021-10-28 22:53:49,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:53:49,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:53:49,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:53:49,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:53:49,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:49" (1/1) ... [2021-10-28 22:53:49,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:49" (1/1) ... [2021-10-28 22:53:49,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:53:49,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:53:49,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:53:49,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:53:49,522 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:49" (1/1) ... [2021-10-28 22:53:49,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:49" (1/1) ... [2021-10-28 22:53:49,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:49" (1/1) ... [2021-10-28 22:53:49,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:49" (1/1) ... [2021-10-28 22:53:49,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:49" (1/1) ... [2021-10-28 22:53:49,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:49" (1/1) ... [2021-10-28 22:53:49,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:49" (1/1) ... [2021-10-28 22:53:49,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:53:49,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:53:49,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:53:49,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:53:49,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:49" (1/1) ... [2021-10-28 22:53:49,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:53:49,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:53:49,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:53:49,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:53:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:53:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:53:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:53:49,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:53:50,748 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:53:50,749 INFO L299 CfgBuilder]: Removed 170 assume(true) statements. [2021-10-28 22:53:50,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:53:50 BoogieIcfgContainer [2021-10-28 22:53:50,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:53:50,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:53:50,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:53:50,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:53:50,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:53:48" (1/3) ... [2021-10-28 22:53:50,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399039fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:53:50, skipping insertion in model container [2021-10-28 22:53:50,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:53:49" (2/3) ... [2021-10-28 22:53:50,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@399039fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:53:50, skipping insertion in model container [2021-10-28 22:53:50,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:53:50" (3/3) ... [2021-10-28 22:53:50,760 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2021-10-28 22:53:50,766 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:53:50,766 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 22:53:50,815 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:53:50,821 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 22:53:50,821 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 22:53:50,839 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 122 states have (on average 1.5491803278688525) internal successors, (189), 125 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:50,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 22:53:50,845 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:50,845 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:53:50,846 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:50,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:50,851 INFO L85 PathProgramCache]: Analyzing trace with hash -988495008, now seen corresponding path program 1 times [2021-10-28 22:53:50,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:50,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919268948] [2021-10-28 22:53:50,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:50,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:53:51,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:51,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919268948] [2021-10-28 22:53:51,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919268948] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:51,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:51,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:53:51,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916643511] [2021-10-28 22:53:51,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 22:53:51,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:51,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:53:51,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:53:51,135 INFO L87 Difference]: Start difference. First operand has 126 states, 122 states have (on average 1.5491803278688525) internal successors, (189), 125 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:51,210 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2021-10-28 22:53:51,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:53:51,212 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 22:53:51,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:51,227 INFO L225 Difference]: With dead ends: 245 [2021-10-28 22:53:51,227 INFO L226 Difference]: Without dead ends: 122 [2021-10-28 22:53:51,232 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:53:51,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-10-28 22:53:51,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-10-28 22:53:51,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 119 states have (on average 1.4873949579831933) internal successors, (177), 121 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2021-10-28 22:53:51,281 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2021-10-28 22:53:51,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:51,282 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2021-10-28 22:53:51,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2021-10-28 22:53:51,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 22:53:51,284 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:51,285 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:53:51,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:53:51,285 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:51,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:51,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1803446273, now seen corresponding path program 1 times [2021-10-28 22:53:51,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:51,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434072255] [2021-10-28 22:53:51,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:51,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:51,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:53:51,385 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:51,385 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434072255] [2021-10-28 22:53:51,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434072255] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:51,386 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:51,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:53:51,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412620849] [2021-10-28 22:53:51,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:53:51,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:51,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:53:51,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:53:51,390 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:51,402 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2021-10-28 22:53:51,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:53:51,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-28 22:53:51,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:51,404 INFO L225 Difference]: With dead ends: 122 [2021-10-28 22:53:51,404 INFO L226 Difference]: Without dead ends: 51 [2021-10-28 22:53:51,405 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:53:51,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-28 22:53:51,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-28 22:53:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.46) internal successors, (73), 50 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-10-28 22:53:51,413 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2021-10-28 22:53:51,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:51,413 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-10-28 22:53:51,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-10-28 22:53:51,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 22:53:51,415 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:51,415 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:53:51,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:53:51,416 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:51,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:51,417 INFO L85 PathProgramCache]: Analyzing trace with hash -842309608, now seen corresponding path program 1 times [2021-10-28 22:53:51,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:51,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685497529] [2021-10-28 22:53:51,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:51,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:53:51,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:51,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685497529] [2021-10-28 22:53:51,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685497529] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:51,563 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:51,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:53:51,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48074386] [2021-10-28 22:53:51,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:53:51,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:51,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:53:51,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:53:51,579 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:51,588 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2021-10-28 22:53:51,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:53:51,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-28 22:53:51,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:51,590 INFO L225 Difference]: With dead ends: 95 [2021-10-28 22:53:51,590 INFO L226 Difference]: Without dead ends: 51 [2021-10-28 22:53:51,590 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:53:51,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-28 22:53:51,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-28 22:53:51,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.44) internal successors, (72), 50 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2021-10-28 22:53:51,597 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2021-10-28 22:53:51,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:51,598 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2021-10-28 22:53:51,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,598 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2021-10-28 22:53:51,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 22:53:51,600 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:51,600 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:53:51,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:53:51,600 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:51,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:51,601 INFO L85 PathProgramCache]: Analyzing trace with hash 674402038, now seen corresponding path program 1 times [2021-10-28 22:53:51,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:51,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798220380] [2021-10-28 22:53:51,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:51,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:51,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:53:51,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:51,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798220380] [2021-10-28 22:53:51,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798220380] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:51,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:51,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:53:51,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546134376] [2021-10-28 22:53:51,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:53:51,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:51,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:53:51,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:53:51,684 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:51,743 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2021-10-28 22:53:51,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:53:51,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-28 22:53:51,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:51,746 INFO L225 Difference]: With dead ends: 119 [2021-10-28 22:53:51,748 INFO L226 Difference]: Without dead ends: 75 [2021-10-28 22:53:51,749 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:53:51,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-28 22:53:51,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2021-10-28 22:53:51,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4166666666666667) internal successors, (102), 72 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-28 22:53:51,765 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2021-10-28 22:53:51,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:51,766 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-28 22:53:51,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,767 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-28 22:53:51,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 22:53:51,770 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:51,771 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:53:51,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:53:51,772 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:51,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:51,774 INFO L85 PathProgramCache]: Analyzing trace with hash 950754951, now seen corresponding path program 1 times [2021-10-28 22:53:51,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:51,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823443475] [2021-10-28 22:53:51,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:51,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:51,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:53:51,869 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:51,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823443475] [2021-10-28 22:53:51,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823443475] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:51,870 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:51,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:53:51,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342745625] [2021-10-28 22:53:51,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:53:51,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:51,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:53:51,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:53:51,872 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:51,927 INFO L93 Difference]: Finished difference Result 203 states and 288 transitions. [2021-10-28 22:53:51,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:53:51,928 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 22:53:51,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:51,929 INFO L225 Difference]: With dead ends: 203 [2021-10-28 22:53:51,929 INFO L226 Difference]: Without dead ends: 137 [2021-10-28 22:53:51,930 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:53:51,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-28 22:53:51,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 77. [2021-10-28 22:53:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.394736842105263) internal successors, (106), 76 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2021-10-28 22:53:51,940 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2021-10-28 22:53:51,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:51,941 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2021-10-28 22:53:51,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2021-10-28 22:53:51,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 22:53:51,943 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:51,943 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:53:51,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 22:53:51,943 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:51,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:51,944 INFO L85 PathProgramCache]: Analyzing trace with hash 249690373, now seen corresponding path program 1 times [2021-10-28 22:53:51,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:51,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851514499] [2021-10-28 22:53:51,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:51,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:52,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:53:52,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:52,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851514499] [2021-10-28 22:53:52,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851514499] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:52,045 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:52,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 22:53:52,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335224994] [2021-10-28 22:53:52,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:53:52,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:52,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:53:52,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:53:52,047 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:52,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:52,109 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2021-10-28 22:53:52,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 22:53:52,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 22:53:52,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:52,117 INFO L225 Difference]: With dead ends: 202 [2021-10-28 22:53:52,117 INFO L226 Difference]: Without dead ends: 132 [2021-10-28 22:53:52,118 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:53:52,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-28 22:53:52,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2021-10-28 22:53:52,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 82 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:52,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2021-10-28 22:53:52,130 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2021-10-28 22:53:52,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:52,130 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2021-10-28 22:53:52,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:52,131 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2021-10-28 22:53:52,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 22:53:52,132 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:52,132 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:53:52,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 22:53:52,133 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:52,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:52,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1183154082, now seen corresponding path program 1 times [2021-10-28 22:53:52,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:52,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118988053] [2021-10-28 22:53:52,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:52,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:52,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:53:52,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:52,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118988053] [2021-10-28 22:53:52,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118988053] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:52,196 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:52,196 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:53:52,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364013670] [2021-10-28 22:53:52,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:53:52,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:52,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:53:52,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:53:52,198 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:52,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:52,289 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2021-10-28 22:53:52,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:53:52,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 22:53:52,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:52,291 INFO L225 Difference]: With dead ends: 282 [2021-10-28 22:53:52,291 INFO L226 Difference]: Without dead ends: 206 [2021-10-28 22:53:52,292 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:53:52,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-10-28 22:53:52,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2021-10-28 22:53:52,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.345679012345679) internal successors, (109), 81 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:52,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2021-10-28 22:53:52,303 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2021-10-28 22:53:52,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:52,304 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2021-10-28 22:53:52,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:52,304 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2021-10-28 22:53:52,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 22:53:52,305 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:52,305 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:53:52,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 22:53:52,306 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:52,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:52,306 INFO L85 PathProgramCache]: Analyzing trace with hash 363948937, now seen corresponding path program 1 times [2021-10-28 22:53:52,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:52,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803316758] [2021-10-28 22:53:52,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:52,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:52,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:53:52,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:52,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803316758] [2021-10-28 22:53:52,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803316758] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:52,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:52,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:53:52,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195252906] [2021-10-28 22:53:52,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:53:52,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:52,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:53:52,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:53:52,360 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:52,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:52,383 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2021-10-28 22:53:52,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:53:52,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 22:53:52,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:52,384 INFO L225 Difference]: With dead ends: 185 [2021-10-28 22:53:52,384 INFO L226 Difference]: Without dead ends: 110 [2021-10-28 22:53:52,385 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:53:52,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-10-28 22:53:52,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2021-10-28 22:53:52,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 1.311926605504587) internal successors, (143), 109 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:52,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2021-10-28 22:53:52,397 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2021-10-28 22:53:52,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:52,397 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2021-10-28 22:53:52,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2021-10-28 22:53:52,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-28 22:53:52,399 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:52,399 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:53:52,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 22:53:52,399 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:52,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:52,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1031997239, now seen corresponding path program 1 times [2021-10-28 22:53:52,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:52,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578420228] [2021-10-28 22:53:52,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:52,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:52,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:53:52,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:52,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578420228] [2021-10-28 22:53:52,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578420228] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:53:52,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:53:52,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 22:53:52,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921554227] [2021-10-28 22:53:52,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 22:53:52,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:52,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 22:53:52,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 22:53:52,535 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:52,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:52,794 INFO L93 Difference]: Finished difference Result 524 states and 703 transitions. [2021-10-28 22:53:52,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 22:53:52,795 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-28 22:53:52,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:52,799 INFO L225 Difference]: With dead ends: 524 [2021-10-28 22:53:52,799 INFO L226 Difference]: Without dead ends: 449 [2021-10-28 22:53:52,804 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-28 22:53:52,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2021-10-28 22:53:52,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 190. [2021-10-28 22:53:52,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.306878306878307) internal successors, (247), 189 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:52,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 247 transitions. [2021-10-28 22:53:52,833 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 247 transitions. Word has length 35 [2021-10-28 22:53:52,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:52,834 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 247 transitions. [2021-10-28 22:53:52,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:52,834 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 247 transitions. [2021-10-28 22:53:52,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-28 22:53:52,836 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:53:52,837 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:53:52,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 22:53:52,837 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:53:52,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:53:52,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1199602114, now seen corresponding path program 1 times [2021-10-28 22:53:52,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:53:52,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448281612] [2021-10-28 22:53:52,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:52,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:53:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:53:52,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:53:52,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448281612] [2021-10-28 22:53:52,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448281612] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:53:52,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901584965] [2021-10-28 22:53:52,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:53:52,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:53:52,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:53:52,940 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:53:52,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 22:53:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:53:53,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 22:53:53,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:53:53,436 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:53:53,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901584965] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:53:53,437 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 22:53:53,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-28 22:53:53,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365462405] [2021-10-28 22:53:53,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 22:53:53,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:53:53,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 22:53:53,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:53:53,439 INFO L87 Difference]: Start difference. First operand 190 states and 247 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:53,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:53:53,663 INFO L93 Difference]: Finished difference Result 434 states and 582 transitions. [2021-10-28 22:53:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 22:53:53,664 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-28 22:53:53,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:53:53,664 INFO L225 Difference]: With dead ends: 434 [2021-10-28 22:53:53,664 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 22:53:53,665 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-28 22:53:53,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 22:53:53,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 22:53:53,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:53,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 22:53:53,666 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-28 22:53:53,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:53:53,666 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:53:53,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:53:53,666 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:53:53,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 22:53:53,669 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:53,669 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:53,669 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:53,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:53:53,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:53:53,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 22:53:53,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:53,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:53,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:53,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:53,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:53,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:54,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:53:55,975 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 438) no Hoare annotation was computed. [2021-10-28 22:53:55,975 INFO L853 garLoopResultBuilder]: At program point L961(lines 72 78) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-10-28 22:53:55,976 INFO L853 garLoopResultBuilder]: At program point L961-1(lines 72 78) the Hoare annotation is: false [2021-10-28 22:53:55,976 INFO L853 garLoopResultBuilder]: At program point L961-2(lines 72 78) the Hoare annotation is: false [2021-10-28 22:53:55,976 INFO L853 garLoopResultBuilder]: At program point L566(lines 1 992) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 22:53:55,976 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 121) no Hoare annotation was computed. [2021-10-28 22:53:55,976 INFO L857 garLoopResultBuilder]: For program point L104-1(lines 104 121) no Hoare annotation was computed. [2021-10-28 22:53:55,976 INFO L857 garLoopResultBuilder]: For program point L104-2(lines 104 121) no Hoare annotation was computed. [2021-10-28 22:53:55,976 INFO L857 garLoopResultBuilder]: For program point L104-3(lines 104 121) no Hoare annotation was computed. [2021-10-28 22:53:55,977 INFO L857 garLoopResultBuilder]: For program point L104-4(lines 104 121) no Hoare annotation was computed. [2021-10-28 22:53:55,977 INFO L857 garLoopResultBuilder]: For program point L104-5(lines 104 121) no Hoare annotation was computed. [2021-10-28 22:53:55,977 INFO L853 garLoopResultBuilder]: At program point L72(lines 68 90) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-10-28 22:53:55,977 INFO L853 garLoopResultBuilder]: At program point L72-1(lines 68 90) the Hoare annotation is: false [2021-10-28 22:53:55,977 INFO L853 garLoopResultBuilder]: At program point L72-2(lines 68 90) the Hoare annotation is: false [2021-10-28 22:53:55,977 INFO L853 garLoopResultBuilder]: At program point L502(lines 498 504) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 22:53:55,977 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 341) no Hoare annotation was computed. [2021-10-28 22:53:55,978 INFO L853 garLoopResultBuilder]: At program point L238(lines 223 241) the Hoare annotation is: false [2021-10-28 22:53:55,978 INFO L857 garLoopResultBuilder]: For program point L337-3(lines 337 341) no Hoare annotation was computed. [2021-10-28 22:53:55,978 INFO L853 garLoopResultBuilder]: At program point L238-1(lines 223 241) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-10-28 22:53:55,978 INFO L853 garLoopResultBuilder]: At program point L238-2(lines 223 241) the Hoare annotation is: false [2021-10-28 22:53:55,978 INFO L853 garLoopResultBuilder]: At program point L238-3(lines 223 241) the Hoare annotation is: false [2021-10-28 22:53:55,978 INFO L857 garLoopResultBuilder]: For program point L337-6(lines 337 341) no Hoare annotation was computed. [2021-10-28 22:53:55,978 INFO L853 garLoopResultBuilder]: At program point L238-4(lines 223 241) the Hoare annotation is: false [2021-10-28 22:53:55,979 INFO L853 garLoopResultBuilder]: At program point L238-5(lines 223 241) the Hoare annotation is: false [2021-10-28 22:53:55,979 INFO L857 garLoopResultBuilder]: For program point L305(lines 305 316) no Hoare annotation was computed. [2021-10-28 22:53:55,979 INFO L857 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2021-10-28 22:53:55,979 INFO L857 garLoopResultBuilder]: For program point L438-1(line 438) no Hoare annotation was computed. [2021-10-28 22:53:55,979 INFO L857 garLoopResultBuilder]: For program point L438-2(line 438) no Hoare annotation was computed. [2021-10-28 22:53:55,979 INFO L857 garLoopResultBuilder]: For program point L108(lines 108 116) no Hoare annotation was computed. [2021-10-28 22:53:55,979 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 108 116) no Hoare annotation was computed. [2021-10-28 22:53:55,979 INFO L857 garLoopResultBuilder]: For program point L108-2(lines 108 116) no Hoare annotation was computed. [2021-10-28 22:53:55,980 INFO L857 garLoopResultBuilder]: For program point L108-3(lines 108 116) no Hoare annotation was computed. [2021-10-28 22:53:55,980 INFO L857 garLoopResultBuilder]: For program point L108-4(lines 108 116) no Hoare annotation was computed. [2021-10-28 22:53:55,980 INFO L857 garLoopResultBuilder]: For program point L108-5(lines 108 116) no Hoare annotation was computed. [2021-10-28 22:53:55,980 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 438) no Hoare annotation was computed. [2021-10-28 22:53:55,980 INFO L853 garLoopResultBuilder]: At program point L406(lines 401 409) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3))) [2021-10-28 22:53:55,980 INFO L853 garLoopResultBuilder]: At program point L406-1(lines 401 409) the Hoare annotation is: false [2021-10-28 22:53:55,980 INFO L853 garLoopResultBuilder]: At program point L406-2(lines 401 409) the Hoare annotation is: false [2021-10-28 22:53:55,981 INFO L860 garLoopResultBuilder]: At program point L539(lines 520 542) the Hoare annotation is: true [2021-10-28 22:53:55,981 INFO L857 garLoopResultBuilder]: For program point L276(lines 275 320) no Hoare annotation was computed. [2021-10-28 22:53:55,981 INFO L853 garLoopResultBuilder]: At program point L574(lines 569 577) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 22:53:55,981 INFO L857 garLoopResultBuilder]: For program point L277(lines 277 281) no Hoare annotation was computed. [2021-10-28 22:53:55,981 INFO L853 garLoopResultBuilder]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2021-10-28 22:53:55,981 INFO L853 garLoopResultBuilder]: At program point L79-1(lines 79 85) the Hoare annotation is: false [2021-10-28 22:53:55,981 INFO L853 garLoopResultBuilder]: At program point L79-2(lines 79 85) the Hoare annotation is: false [2021-10-28 22:53:55,982 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 315) no Hoare annotation was computed. [2021-10-28 22:53:55,982 INFO L857 garLoopResultBuilder]: For program point L311-2(lines 305 316) no Hoare annotation was computed. [2021-10-28 22:53:55,982 INFO L857 garLoopResultBuilder]: For program point L972(lines 972 989) no Hoare annotation was computed. [2021-10-28 22:53:55,982 INFO L853 garLoopResultBuilder]: At program point L972-1(lines 1 992) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1))) (or (and .cse0 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9) (<= 2 ~waterLevel~0) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3))) [2021-10-28 22:53:55,982 INFO L857 garLoopResultBuilder]: For program point L972-2(lines 972 989) no Hoare annotation was computed. [2021-10-28 22:53:55,982 INFO L853 garLoopResultBuilder]: At program point L972-3(lines 1 992) the Hoare annotation is: false [2021-10-28 22:53:55,982 INFO L857 garLoopResultBuilder]: For program point L972-4(lines 972 989) no Hoare annotation was computed. [2021-10-28 22:53:55,982 INFO L853 garLoopResultBuilder]: At program point L972-5(lines 1 992) the Hoare annotation is: false [2021-10-28 22:53:55,983 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 420) no Hoare annotation was computed. [2021-10-28 22:53:55,983 INFO L857 garLoopResultBuilder]: For program point L414-1(lines 414 420) no Hoare annotation was computed. [2021-10-28 22:53:55,983 INFO L857 garLoopResultBuilder]: For program point L414-2(lines 414 420) no Hoare annotation was computed. [2021-10-28 22:53:55,983 INFO L857 garLoopResultBuilder]: For program point L414-3(lines 414 420) no Hoare annotation was computed. [2021-10-28 22:53:55,983 INFO L857 garLoopResultBuilder]: For program point L414-4(lines 414 420) no Hoare annotation was computed. [2021-10-28 22:53:55,983 INFO L857 garLoopResultBuilder]: For program point L414-5(lines 414 420) no Hoare annotation was computed. [2021-10-28 22:53:55,983 INFO L853 garLoopResultBuilder]: At program point L183(lines 178 186) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4))) [2021-10-28 22:53:55,984 INFO L853 garLoopResultBuilder]: At program point L183-1(lines 178 186) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-10-28 22:53:55,984 INFO L853 garLoopResultBuilder]: At program point L183-2(lines 178 186) the Hoare annotation is: false [2021-10-28 22:53:55,984 INFO L853 garLoopResultBuilder]: At program point L183-3(lines 178 186) the Hoare annotation is: false [2021-10-28 22:53:55,984 INFO L853 garLoopResultBuilder]: At program point L183-4(lines 178 186) the Hoare annotation is: false [2021-10-28 22:53:55,984 INFO L853 garLoopResultBuilder]: At program point L183-5(lines 178 186) the Hoare annotation is: false [2021-10-28 22:53:55,984 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 986) no Hoare annotation was computed. [2021-10-28 22:53:55,984 INFO L857 garLoopResultBuilder]: For program point L976-2(lines 976 986) no Hoare annotation was computed. [2021-10-28 22:53:55,984 INFO L857 garLoopResultBuilder]: For program point L976-4(lines 976 986) no Hoare annotation was computed. [2021-10-28 22:53:55,985 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2021-10-28 22:53:55,985 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 983) no Hoare annotation was computed. [2021-10-28 22:53:55,985 INFO L857 garLoopResultBuilder]: For program point L977-2(lines 977 983) no Hoare annotation was computed. [2021-10-28 22:53:55,985 INFO L857 garLoopResultBuilder]: For program point L977-4(lines 977 983) no Hoare annotation was computed. [2021-10-28 22:53:55,985 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 22:53:56,007 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 255) no Hoare annotation was computed. [2021-10-28 22:53:56,008 INFO L857 garLoopResultBuilder]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2021-10-28 22:53:56,008 INFO L857 garLoopResultBuilder]: For program point L251-3(lines 251 255) no Hoare annotation was computed. [2021-10-28 22:53:56,008 INFO L857 garLoopResultBuilder]: For program point L251-5(lines 251 255) no Hoare annotation was computed. [2021-10-28 22:53:56,008 INFO L857 garLoopResultBuilder]: For program point L251-6(lines 251 255) no Hoare annotation was computed. [2021-10-28 22:53:56,008 INFO L857 garLoopResultBuilder]: For program point L251-8(lines 251 255) no Hoare annotation was computed. [2021-10-28 22:53:56,008 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 291) no Hoare annotation was computed. [2021-10-28 22:53:56,009 INFO L853 garLoopResultBuilder]: At program point L285-1(lines 285 291) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2021-10-28 22:53:56,009 INFO L853 garLoopResultBuilder]: At program point L419(lines 410 423) the Hoare annotation is: false [2021-10-28 22:53:56,009 INFO L853 garLoopResultBuilder]: At program point L419-1(lines 410 423) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3))) [2021-10-28 22:53:56,009 INFO L853 garLoopResultBuilder]: At program point L419-2(lines 410 423) the Hoare annotation is: false [2021-10-28 22:53:56,010 INFO L853 garLoopResultBuilder]: At program point L419-3(lines 410 423) the Hoare annotation is: false [2021-10-28 22:53:56,010 INFO L853 garLoopResultBuilder]: At program point L419-4(lines 410 423) the Hoare annotation is: false [2021-10-28 22:53:56,010 INFO L853 garLoopResultBuilder]: At program point L419-5(lines 410 423) the Hoare annotation is: false [2021-10-28 22:53:56,010 INFO L853 garLoopResultBuilder]: At program point L321(lines 274 322) the Hoare annotation is: false [2021-10-28 22:53:56,010 INFO L853 garLoopResultBuilder]: At program point L454-2(lines 454 468) the Hoare annotation is: false [2021-10-28 22:53:56,012 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 22:53:56,012 INFO L857 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-28 22:53:56,012 INFO L853 garLoopResultBuilder]: At program point L257(lines 242 260) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-10-28 22:53:56,012 INFO L853 garLoopResultBuilder]: At program point L257-1(lines 242 260) the Hoare annotation is: false [2021-10-28 22:53:56,012 INFO L853 garLoopResultBuilder]: At program point L257-2(lines 242 260) the Hoare annotation is: false [2021-10-28 22:53:56,013 INFO L853 garLoopResultBuilder]: At program point L951(lines 946 953) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 22:53:56,013 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 22:53:56,013 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-10-28 22:53:56,013 INFO L857 garLoopResultBuilder]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2021-10-28 22:53:56,013 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 365) no Hoare annotation was computed. [2021-10-28 22:53:56,013 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 301) no Hoare annotation was computed. [2021-10-28 22:53:56,014 INFO L853 garLoopResultBuilder]: At program point L295-1(lines 295 301) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2021-10-28 22:53:56,014 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 147) no Hoare annotation was computed. [2021-10-28 22:53:56,014 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 130 147) no Hoare annotation was computed. [2021-10-28 22:53:56,014 INFO L857 garLoopResultBuilder]: For program point L130-2(lines 130 147) no Hoare annotation was computed. [2021-10-28 22:53:56,014 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 22:53:56,015 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 438) no Hoare annotation was computed. [2021-10-28 22:53:56,015 INFO L853 garLoopResultBuilder]: At program point L429(lines 424 432) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-10-28 22:53:56,015 INFO L853 garLoopResultBuilder]: At program point L429-1(lines 424 432) the Hoare annotation is: false [2021-10-28 22:53:56,019 INFO L853 garLoopResultBuilder]: At program point L429-2(lines 424 432) the Hoare annotation is: false [2021-10-28 22:53:56,019 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 236) no Hoare annotation was computed. [2021-10-28 22:53:56,019 INFO L857 garLoopResultBuilder]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2021-10-28 22:53:56,020 INFO L857 garLoopResultBuilder]: For program point L232-3(lines 232 236) no Hoare annotation was computed. [2021-10-28 22:53:56,020 INFO L857 garLoopResultBuilder]: For program point L232-5(lines 232 236) no Hoare annotation was computed. [2021-10-28 22:53:56,020 INFO L857 garLoopResultBuilder]: For program point L232-6(lines 232 236) no Hoare annotation was computed. [2021-10-28 22:53:56,020 INFO L857 garLoopResultBuilder]: For program point L232-8(lines 232 236) no Hoare annotation was computed. [2021-10-28 22:53:56,020 INFO L857 garLoopResultBuilder]: For program point L232-9(lines 232 236) no Hoare annotation was computed. [2021-10-28 22:53:56,020 INFO L857 garLoopResultBuilder]: For program point L232-11(lines 232 236) no Hoare annotation was computed. [2021-10-28 22:53:56,021 INFO L857 garLoopResultBuilder]: For program point L232-12(lines 232 236) no Hoare annotation was computed. [2021-10-28 22:53:56,021 INFO L857 garLoopResultBuilder]: For program point L232-14(lines 232 236) no Hoare annotation was computed. [2021-10-28 22:53:56,021 INFO L857 garLoopResultBuilder]: For program point L232-15(lines 232 236) no Hoare annotation was computed. [2021-10-28 22:53:56,021 INFO L857 garLoopResultBuilder]: For program point L232-17(lines 232 236) no Hoare annotation was computed. [2021-10-28 22:53:56,021 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 537) no Hoare annotation was computed. [2021-10-28 22:53:56,021 INFO L860 garLoopResultBuilder]: At program point L530-1(lines 530 537) the Hoare annotation is: true [2021-10-28 22:53:56,021 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 142) no Hoare annotation was computed. [2021-10-28 22:53:56,022 INFO L857 garLoopResultBuilder]: For program point L134-1(lines 134 142) no Hoare annotation was computed. [2021-10-28 22:53:56,022 INFO L857 garLoopResultBuilder]: For program point L134-2(lines 134 142) no Hoare annotation was computed. [2021-10-28 22:53:56,025 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:53:56,027 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:53:56,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:53:56 BoogieIcfgContainer [2021-10-28 22:53:56,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:53:56,084 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:53:56,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:53:56,085 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:53:56,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:53:50" (3/4) ... [2021-10-28 22:53:56,087 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 22:53:56,108 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 22:53:56,110 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 22:53:56,111 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 22:53:56,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 22:53:56,113 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 22:53:56,114 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:53:56,115 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:53:56,140 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && 1 < tmp) && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && tmp <= 2) && 2 <= \result) && pumpRunning == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 22:53:56,140 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-28 22:53:56,141 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-28 22:53:56,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 22:53:56,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 22:53:56,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 22:53:56,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-28 22:53:56,144 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 22:53:56,144 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 [2021-10-28 22:53:56,145 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && waterLevel <= 2) [2021-10-28 22:53:56,145 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 22:53:56,145 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 [2021-10-28 22:53:56,146 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) [2021-10-28 22:53:56,202 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:53:56,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:53:56,204 INFO L168 Benchmark]: Toolchain (without parser) took 7628.42 ms. Allocated memory was 90.2 MB in the beginning and 153.1 MB in the end (delta: 62.9 MB). Free memory was 69.0 MB in the beginning and 112.6 MB in the end (delta: -43.6 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:56,204 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory is still 64.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:53:56,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 835.41 ms. Allocated memory is still 90.2 MB. Free memory was 68.9 MB in the beginning and 50.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:56,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.00 ms. Allocated memory is still 90.2 MB. Free memory was 50.0 MB in the beginning and 46.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:56,206 INFO L168 Benchmark]: Boogie Preprocessor took 49.04 ms. Allocated memory is still 90.2 MB. Free memory was 46.3 MB in the beginning and 43.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:56,206 INFO L168 Benchmark]: RCFGBuilder took 1188.73 ms. Allocated memory is still 90.2 MB. Free memory was 43.6 MB in the beginning and 53.9 MB in the end (delta: -10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:56,206 INFO L168 Benchmark]: TraceAbstraction took 5330.96 ms. Allocated memory was 90.2 MB in the beginning and 153.1 MB in the end (delta: 62.9 MB). Free memory was 53.4 MB in the beginning and 123.1 MB in the end (delta: -69.7 MB). Peak memory consumption was 73.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:56,207 INFO L168 Benchmark]: Witness Printer took 118.18 ms. Allocated memory is still 153.1 MB. Free memory was 123.1 MB in the beginning and 112.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:56,209 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 90.2 MB. Free memory is still 64.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 835.41 ms. Allocated memory is still 90.2 MB. Free memory was 68.9 MB in the beginning and 50.0 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.00 ms. Allocated memory is still 90.2 MB. Free memory was 50.0 MB in the beginning and 46.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.04 ms. Allocated memory is still 90.2 MB. Free memory was 46.3 MB in the beginning and 43.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1188.73 ms. Allocated memory is still 90.2 MB. Free memory was 43.6 MB in the beginning and 53.9 MB in the end (delta: -10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5330.96 ms. Allocated memory was 90.2 MB in the beginning and 153.1 MB in the end (delta: 62.9 MB). Free memory was 53.4 MB in the beginning and 123.1 MB in the end (delta: -69.7 MB). Peak memory consumption was 73.1 MB. Max. memory is 16.1 GB. * Witness Printer took 118.18 ms. Allocated memory is still 153.1 MB. Free memory was 123.1 MB in the beginning and 112.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 438]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 438]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 438]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1048 SDtfs, 1175 SDslu, 1489 SDs, 0 SdLazy, 257 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=9, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 494 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 141 NumberOfFragments, 602 HoareAnnotationTreeSize, 49 FomulaSimplifications, 25724 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 49 FomulaSimplificationsInter, 13294 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 771 SizeOfPredicates, 3 NumberOfNonLiveVariables, 443 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && 1 < tmp) && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && tmp <= 2) && 2 <= \result) && pumpRunning == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && waterLevel <= 2) - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) RESULT: Ultimate proved your program to be correct! [2021-10-28 22:53:56,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91e20517-263a-4891-8245-a49f03cac490/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...