./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.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_95ff0c7d-11bf-44e3-b226-df69822e0965/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff0c7d-11bf-44e3-b226-df69822e0965/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_95ff0c7d-11bf-44e3-b226-df69822e0965/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff0c7d-11bf-44e3-b226-df69822e0965/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff0c7d-11bf-44e3-b226-df69822e0965/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_95ff0c7d-11bf-44e3-b226-df69822e0965/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 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:59:21,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:59:21,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:59:21,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:59:21,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:59:21,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:59:21,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:59:21,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:59:21,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:59:21,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:59:21,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:59:21,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:59:21,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:59:21,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:59:21,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:59:21,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:59:21,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:59:21,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:59:21,583 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:59:21,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:59:21,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:59:21,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:59:21,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:59:21,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:59:21,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:59:21,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:59:21,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:59:21,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:59:21,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:59:21,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:59:21,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:59:21,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:59:21,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:59:21,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:59:21,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:59:21,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:59:21,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:59:21,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:59:21,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:59:21,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:59:21,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:59:21,627 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff0c7d-11bf-44e3-b226-df69822e0965/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:59:21,671 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:59:21,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:59:21,672 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:59:21,672 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:59:21,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:59:21,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:59:21,674 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:59:21,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:59:21,675 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:59:21,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:59:21,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:59:21,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:59:21,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:59:21,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:59:21,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:59:21,678 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:59:21,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:59:21,678 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:59:21,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:59:21,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:59:21,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:59:21,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:59:21,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:59:21,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:59:21,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:59:21,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:59:21,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:59:21,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:59:21,681 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:59:21,681 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:59:21,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:59:21,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:59:21,682 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_95ff0c7d-11bf-44e3-b226-df69822e0965/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff0c7d-11bf-44e3-b226-df69822e0965/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0858956fa78fab41d54951630cb21e24f98b592c89580084f0bb3139b8ef83d9 [2021-10-28 22:59:22,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:59:22,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:59:22,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:59:22,036 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:59:22,037 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:59:22,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff0c7d-11bf-44e3-b226-df69822e0965/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2021-10-28 22:59:22,104 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff0c7d-11bf-44e3-b226-df69822e0965/bin/uautomizer-GMMbpWq8iD/data/618c64b60/6645ad936f38415fb9d9e46ea7511609/FLAG4abe9bc3c [2021-10-28 22:59:22,690 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:59:22,691 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff0c7d-11bf-44e3-b226-df69822e0965/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2021-10-28 22:59:22,708 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff0c7d-11bf-44e3-b226-df69822e0965/bin/uautomizer-GMMbpWq8iD/data/618c64b60/6645ad936f38415fb9d9e46ea7511609/FLAG4abe9bc3c [2021-10-28 22:59:22,976 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff0c7d-11bf-44e3-b226-df69822e0965/bin/uautomizer-GMMbpWq8iD/data/618c64b60/6645ad936f38415fb9d9e46ea7511609 [2021-10-28 22:59:22,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:59:22,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:59:22,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:59:22,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:59:22,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:59:22,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:59:22" (1/1) ... [2021-10-28 22:59:22,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dec18dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:22, skipping insertion in model container [2021-10-28 22:59:22,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:59:22" (1/1) ... [2021-10-28 22:59:23,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:59:23,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:59:23,363 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_95ff0c7d-11bf-44e3-b226-df69822e0965/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[18140,18153] [2021-10-28 22:59:23,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:59:23,377 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:59:23,501 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_95ff0c7d-11bf-44e3-b226-df69822e0965/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c[18140,18153] [2021-10-28 22:59:23,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:59:23,534 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:59:23,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:23 WrapperNode [2021-10-28 22:59:23,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:59:23,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:59:23,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:59:23,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:59:23,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:23" (1/1) ... [2021-10-28 22:59:23,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:23" (1/1) ... [2021-10-28 22:59:23,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:59:23,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:59:23,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:59:23,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:59:23,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:23" (1/1) ... [2021-10-28 22:59:23,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:23" (1/1) ... [2021-10-28 22:59:23,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:23" (1/1) ... [2021-10-28 22:59:23,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:23" (1/1) ... [2021-10-28 22:59:23,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:23" (1/1) ... [2021-10-28 22:59:23,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:23" (1/1) ... [2021-10-28 22:59:23,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:23" (1/1) ... [2021-10-28 22:59:23,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:59:23,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:59:23,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:59:23,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:59:23,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:23" (1/1) ... [2021-10-28 22:59:23,748 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:59:23,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff0c7d-11bf-44e3-b226-df69822e0965/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:59:23,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff0c7d-11bf-44e3-b226-df69822e0965/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:59:23,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff0c7d-11bf-44e3-b226-df69822e0965/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:59:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:59:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:59:23,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:59:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:59:24,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:59:24,676 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-28 22:59:24,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:59:24 BoogieIcfgContainer [2021-10-28 22:59:24,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:59:24,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:59:24,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:59:24,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:59:24,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:59:22" (1/3) ... [2021-10-28 22:59:24,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56dcdc46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:59:24, skipping insertion in model container [2021-10-28 22:59:24,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:59:23" (2/3) ... [2021-10-28 22:59:24,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56dcdc46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:59:24, skipping insertion in model container [2021-10-28 22:59:24,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:59:24" (3/3) ... [2021-10-28 22:59:24,687 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2021-10-28 22:59:24,693 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:59:24,693 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 22:59:24,744 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:59:24,750 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 22:59:24,750 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 22:59:24,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 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 22:59:24,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 22:59:24,774 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:59:24,775 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:24,776 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 22:59:24,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:24,782 INFO L85 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2021-10-28 22:59:24,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:24,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456584525] [2021-10-28 22:59:24,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:24,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:25,044 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 22:59:25,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:59:25,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456584525] [2021-10-28 22:59:25,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456584525] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:59:25,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:59:25,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:59:25,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822108740] [2021-10-28 22:59:25,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 22:59:25,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:59:25,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:59:25,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:59:25,094 INFO L87 Difference]: Start difference. First operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 22:59:25,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:59:25,140 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2021-10-28 22:59:25,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:59:25,142 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-28 22:59:25,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:59:25,153 INFO L225 Difference]: With dead ends: 208 [2021-10-28 22:59:25,153 INFO L226 Difference]: Without dead ends: 103 [2021-10-28 22:59:25,157 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 22:59:25,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-28 22:59:25,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-10-28 22:59:25,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 100 states have (on average 1.47) internal successors, (147), 102 states have internal predecessors, (147), 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 22:59:25,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2021-10-28 22:59:25,251 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2021-10-28 22:59:25,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:59:25,252 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2021-10-28 22:59:25,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 22:59:25,252 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2021-10-28 22:59:25,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 22:59:25,254 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:59:25,254 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:25,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:59:25,255 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 22:59:25,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:25,255 INFO L85 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2021-10-28 22:59:25,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:25,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563516184] [2021-10-28 22:59:25,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:25,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:25,450 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 22:59:25,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:59:25,451 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563516184] [2021-10-28 22:59:25,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563516184] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:59:25,452 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:59:25,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:59:25,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117696629] [2021-10-28 22:59:25,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:59:25,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:59:25,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:59:25,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:59:25,457 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 22:59:25,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:59:25,483 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2021-10-28 22:59:25,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:59:25,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-10-28 22:59:25,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:59:25,487 INFO L225 Difference]: With dead ends: 103 [2021-10-28 22:59:25,488 INFO L226 Difference]: Without dead ends: 45 [2021-10-28 22:59:25,489 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 22:59:25,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-28 22:59:25,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-28 22:59:25,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 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 22:59:25,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-28 22:59:25,499 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2021-10-28 22:59:25,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:59:25,499 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-28 22:59:25,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 22:59:25,500 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-28 22:59:25,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 22:59:25,500 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:59:25,500 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] [2021-10-28 22:59:25,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:59:25,501 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 22:59:25,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:25,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2021-10-28 22:59:25,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:25,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765633806] [2021-10-28 22:59:25,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:25,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:25,673 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 22:59:25,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:59:25,675 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765633806] [2021-10-28 22:59:25,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765633806] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:59:25,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:59:25,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 22:59:25,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812503153] [2021-10-28 22:59:25,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 22:59:25,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:59:25,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 22:59:25,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:59:25,684 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 22:59:25,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:59:25,906 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2021-10-28 22:59:25,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 22:59:25,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2021-10-28 22:59:25,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:59:25,910 INFO L225 Difference]: With dead ends: 146 [2021-10-28 22:59:25,911 INFO L226 Difference]: Without dead ends: 107 [2021-10-28 22:59:25,911 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 22:59:25,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-28 22:59:25,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2021-10-28 22:59:25,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 63 states have internal predecessors, (93), 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 22:59:25,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2021-10-28 22:59:25,934 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2021-10-28 22:59:25,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:59:25,934 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2021-10-28 22:59:25,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 22:59:25,935 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2021-10-28 22:59:25,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 22:59:25,936 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:59:25,936 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:59:25,936 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:59:25,937 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 22:59:25,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:25,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2021-10-28 22:59:25,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:25,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492293422] [2021-10-28 22:59:25,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:25,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:26,009 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 22:59:26,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:59:26,010 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492293422] [2021-10-28 22:59:26,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492293422] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:59:26,010 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:59:26,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:59:26,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144794660] [2021-10-28 22:59:26,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:59:26,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:59:26,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:59:26,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:59:26,013 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:26,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:59:26,133 INFO L93 Difference]: Finished difference Result 309 states and 471 transitions. [2021-10-28 22:59:26,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 22:59:26,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-28 22:59:26,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:59:26,136 INFO L225 Difference]: With dead ends: 309 [2021-10-28 22:59:26,137 INFO L226 Difference]: Without dead ends: 251 [2021-10-28 22:59:26,138 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 22:59:26,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2021-10-28 22:59:26,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 116. [2021-10-28 22:59:26,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.4695652173913043) internal successors, (169), 115 states have internal predecessors, (169), 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 22:59:26,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2021-10-28 22:59:26,153 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 24 [2021-10-28 22:59:26,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:59:26,154 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2021-10-28 22:59:26,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:59:26,154 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2021-10-28 22:59:26,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-28 22:59:26,156 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:59:26,156 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] [2021-10-28 22:59:26,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:59:26,156 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 22:59:26,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:59:26,157 INFO L85 PathProgramCache]: Analyzing trace with hash -891352514, now seen corresponding path program 1 times [2021-10-28 22:59:26,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:59:26,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206251591] [2021-10-28 22:59:26,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:59:26,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:59:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:59:26,242 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 22:59:26,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:59:26,243 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206251591] [2021-10-28 22:59:26,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206251591] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:59:26,243 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:59:26,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:59:26,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994531860] [2021-10-28 22:59:26,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:59:26,244 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:59:26,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:59:26,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:59:26,245 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 22:59:26,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:59:26,319 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2021-10-28 22:59:26,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 22:59:26,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 25 [2021-10-28 22:59:26,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:59:26,320 INFO L225 Difference]: With dead ends: 312 [2021-10-28 22:59:26,321 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 22:59:26,324 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 22:59:26,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 22:59:26,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 22:59:26,325 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 22:59:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 22:59:26,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-28 22:59:26,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:59:26,325 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:59:26,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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 22:59:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:59:26,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 22:59:26,329 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:59:26,330 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:59:26,330 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:59:26,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 22:59:26,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 22:59:26,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,433 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,434 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:59:26,608 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 934) no Hoare annotation was computed. [2021-10-28 22:59:26,609 INFO L860 garLoopResultBuilder]: At program point L927-1(lines 927 934) the Hoare annotation is: true [2021-10-28 22:59:26,609 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 945) no Hoare annotation was computed. [2021-10-28 22:59:26,609 INFO L853 garLoopResultBuilder]: At program point L696(lines 689 699) the Hoare annotation is: false [2021-10-28 22:59:26,609 INFO L853 garLoopResultBuilder]: At program point L696-1(lines 689 699) the Hoare annotation is: false [2021-10-28 22:59:26,609 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 638) no Hoare annotation was computed. [2021-10-28 22:59:26,610 INFO L853 garLoopResultBuilder]: At program point L696-2(lines 689 699) the Hoare annotation is: false [2021-10-28 22:59:26,610 INFO L857 garLoopResultBuilder]: For program point L630-1(lines 630 638) no Hoare annotation was computed. [2021-10-28 22:59:26,610 INFO L857 garLoopResultBuilder]: For program point L630-2(lines 630 638) no Hoare annotation was computed. [2021-10-28 22:59:26,610 INFO L857 garLoopResultBuilder]: For program point L630-3(lines 630 638) no Hoare annotation was computed. [2021-10-28 22:59:26,610 INFO L857 garLoopResultBuilder]: For program point L630-4(lines 630 638) no Hoare annotation was computed. [2021-10-28 22:59:26,610 INFO L857 garLoopResultBuilder]: For program point L630-5(lines 630 638) no Hoare annotation was computed. [2021-10-28 22:59:26,611 INFO L853 garLoopResultBuilder]: At program point L466(lines 461 469) the Hoare annotation is: false [2021-10-28 22:59:26,611 INFO L853 garLoopResultBuilder]: At program point L466-1(lines 461 469) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:59:26,611 INFO L853 garLoopResultBuilder]: At program point L466-2(lines 461 469) the Hoare annotation is: false [2021-10-28 22:59:26,611 INFO L853 garLoopResultBuilder]: At program point L466-3(lines 461 469) the Hoare annotation is: false [2021-10-28 22:59:26,611 INFO L853 garLoopResultBuilder]: At program point L466-4(lines 461 469) the Hoare annotation is: false [2021-10-28 22:59:26,611 INFO L853 garLoopResultBuilder]: At program point L466-5(lines 461 469) the Hoare annotation is: false [2021-10-28 22:59:26,612 INFO L853 garLoopResultBuilder]: At program point L832(lines 1 948) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:59:26,612 INFO L853 garLoopResultBuilder]: At program point L601(lines 601 607) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:59:26,612 INFO L853 garLoopResultBuilder]: At program point L601-1(lines 601 607) the Hoare annotation is: false [2021-10-28 22:59:26,612 INFO L857 garLoopResultBuilder]: For program point L535(lines 535 541) no Hoare annotation was computed. [2021-10-28 22:59:26,612 INFO L853 garLoopResultBuilder]: At program point L601-2(lines 601 607) the Hoare annotation is: false [2021-10-28 22:59:26,612 INFO L853 garLoopResultBuilder]: At program point L535-1(lines 535 541) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:59:26,613 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 774) no Hoare annotation was computed. [2021-10-28 22:59:26,613 INFO L853 garLoopResultBuilder]: At program point L768-1(lines 768 774) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:59:26,613 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 945) no Hoare annotation was computed. [2021-10-28 22:59:26,613 INFO L860 garLoopResultBuilder]: At program point L936(lines 917 939) the Hoare annotation is: true [2021-10-28 22:59:26,613 INFO L853 garLoopResultBuilder]: At program point L705(lines 700 708) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-28 22:59:26,613 INFO L853 garLoopResultBuilder]: At program point L705-1(lines 700 708) the Hoare annotation is: false [2021-10-28 22:59:26,614 INFO L853 garLoopResultBuilder]: At program point L705-2(lines 700 708) the Hoare annotation is: false [2021-10-28 22:59:26,614 INFO L853 garLoopResultBuilder]: At program point L573(lines 524 574) the Hoare annotation is: false [2021-10-28 22:59:26,614 INFO L853 garLoopResultBuilder]: At program point L507(lines 502 510) the Hoare annotation is: false [2021-10-28 22:59:26,614 INFO L853 garLoopResultBuilder]: At program point L507-1(lines 502 510) the Hoare annotation is: false [2021-10-28 22:59:26,614 INFO L857 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2021-10-28 22:59:26,614 INFO L853 garLoopResultBuilder]: At program point L507-2(lines 502 510) the Hoare annotation is: false [2021-10-28 22:59:26,615 INFO L853 garLoopResultBuilder]: At program point L507-3(lines 502 510) the Hoare annotation is: false [2021-10-28 22:59:26,615 INFO L853 garLoopResultBuilder]: At program point L507-4(lines 502 510) the Hoare annotation is: false [2021-10-28 22:59:26,615 INFO L853 garLoopResultBuilder]: At program point L507-5(lines 502 510) the Hoare annotation is: false [2021-10-28 22:59:26,615 INFO L853 garLoopResultBuilder]: At program point L904(lines 900 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0)) [2021-10-28 22:59:26,615 INFO L853 garLoopResultBuilder]: At program point L840(lines 835 843) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:59:26,615 INFO L857 garLoopResultBuilder]: For program point L545(lines 545 551) no Hoare annotation was computed. [2021-10-28 22:59:26,616 INFO L853 garLoopResultBuilder]: At program point L545-1(lines 545 551) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:59:26,616 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 22:59:26,616 INFO L857 garLoopResultBuilder]: For program point L945(line 945) no Hoare annotation was computed. [2021-10-28 22:59:26,616 INFO L857 garLoopResultBuilder]: For program point L945-1(line 945) no Hoare annotation was computed. [2021-10-28 22:59:26,616 INFO L857 garLoopResultBuilder]: For program point L945-2(line 945) no Hoare annotation was computed. [2021-10-28 22:59:26,616 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 457) no Hoare annotation was computed. [2021-10-28 22:59:26,616 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 669) no Hoare annotation was computed. [2021-10-28 22:59:26,617 INFO L857 garLoopResultBuilder]: For program point L652-1(lines 652 669) no Hoare annotation was computed. [2021-10-28 22:59:26,617 INFO L857 garLoopResultBuilder]: For program point L652-2(lines 652 669) no Hoare annotation was computed. [2021-10-28 22:59:26,617 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 22:59:26,617 INFO L857 garLoopResultBuilder]: For program point L555(lines 555 568) no Hoare annotation was computed. [2021-10-28 22:59:26,617 INFO L857 garLoopResultBuilder]: For program point L754(lines 754 758) no Hoare annotation was computed. [2021-10-28 22:59:26,617 INFO L857 garLoopResultBuilder]: For program point L754-2(lines 754 758) no Hoare annotation was computed. [2021-10-28 22:59:26,617 INFO L857 garLoopResultBuilder]: For program point L754-3(lines 754 758) no Hoare annotation was computed. [2021-10-28 22:59:26,617 INFO L857 garLoopResultBuilder]: For program point L754-5(lines 754 758) no Hoare annotation was computed. [2021-10-28 22:59:26,618 INFO L857 garLoopResultBuilder]: For program point L754-6(lines 754 758) no Hoare annotation was computed. [2021-10-28 22:59:26,618 INFO L857 garLoopResultBuilder]: For program point L754-8(lines 754 758) no Hoare annotation was computed. [2021-10-28 22:59:26,618 INFO L857 garLoopResultBuilder]: For program point L754-9(lines 754 758) no Hoare annotation was computed. [2021-10-28 22:59:26,618 INFO L857 garLoopResultBuilder]: For program point L754-11(lines 754 758) no Hoare annotation was computed. [2021-10-28 22:59:26,618 INFO L857 garLoopResultBuilder]: For program point L754-12(lines 754 758) no Hoare annotation was computed. [2021-10-28 22:59:26,618 INFO L857 garLoopResultBuilder]: For program point L754-14(lines 754 758) no Hoare annotation was computed. [2021-10-28 22:59:26,618 INFO L857 garLoopResultBuilder]: For program point L754-15(lines 754 758) no Hoare annotation was computed. [2021-10-28 22:59:26,619 INFO L857 garLoopResultBuilder]: For program point L754-17(lines 754 758) no Hoare annotation was computed. [2021-10-28 22:59:26,619 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 22:59:26,619 INFO L857 garLoopResultBuilder]: For program point L656(lines 656 664) no Hoare annotation was computed. [2021-10-28 22:59:26,619 INFO L857 garLoopResultBuilder]: For program point L656-1(lines 656 664) no Hoare annotation was computed. [2021-10-28 22:59:26,619 INFO L857 garLoopResultBuilder]: For program point L656-2(lines 656 664) no Hoare annotation was computed. [2021-10-28 22:59:26,619 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 802) no Hoare annotation was computed. [2021-10-28 22:59:26,619 INFO L853 garLoopResultBuilder]: At program point L789-1(lines 1 948) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:59:26,619 INFO L857 garLoopResultBuilder]: For program point L789-2(lines 789 802) no Hoare annotation was computed. [2021-10-28 22:59:26,620 INFO L853 garLoopResultBuilder]: At program point L789-3(lines 1 948) the Hoare annotation is: false [2021-10-28 22:59:26,620 INFO L857 garLoopResultBuilder]: For program point L789-4(lines 789 802) no Hoare annotation was computed. [2021-10-28 22:59:26,620 INFO L853 garLoopResultBuilder]: At program point L789-5(lines 1 948) the Hoare annotation is: false [2021-10-28 22:59:26,620 INFO L853 garLoopResultBuilder]: At program point L856-2(lines 856 870) the Hoare annotation is: false [2021-10-28 22:59:26,620 INFO L857 garLoopResultBuilder]: For program point L526(lines 525 572) no Hoare annotation was computed. [2021-10-28 22:59:26,620 INFO L857 garLoopResultBuilder]: For program point L857(line 857) no Hoare annotation was computed. [2021-10-28 22:59:26,620 INFO L857 garLoopResultBuilder]: For program point L626(lines 626 643) no Hoare annotation was computed. [2021-10-28 22:59:26,621 INFO L857 garLoopResultBuilder]: For program point L626-1(lines 626 643) no Hoare annotation was computed. [2021-10-28 22:59:26,621 INFO L857 garLoopResultBuilder]: For program point L626-2(lines 626 643) no Hoare annotation was computed. [2021-10-28 22:59:26,621 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 531) no Hoare annotation was computed. [2021-10-28 22:59:26,621 INFO L857 garLoopResultBuilder]: For program point L626-3(lines 626 643) no Hoare annotation was computed. [2021-10-28 22:59:26,621 INFO L857 garLoopResultBuilder]: For program point L626-4(lines 626 643) no Hoare annotation was computed. [2021-10-28 22:59:26,621 INFO L857 garLoopResultBuilder]: For program point L626-5(lines 626 643) no Hoare annotation was computed. [2021-10-28 22:59:26,621 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 22:59:26,622 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 945) no Hoare annotation was computed. [2021-10-28 22:59:26,622 INFO L853 garLoopResultBuilder]: At program point L594(lines 593 612) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:59:26,622 INFO L857 garLoopResultBuilder]: For program point L561(lines 561 567) no Hoare annotation was computed. [2021-10-28 22:59:26,622 INFO L857 garLoopResultBuilder]: For program point L594-1(lines 594 600) no Hoare annotation was computed. [2021-10-28 22:59:26,622 INFO L853 garLoopResultBuilder]: At program point L561-1(lines 594 600) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 22:59:26,622 INFO L853 garLoopResultBuilder]: At program point L594-2(lines 593 612) the Hoare annotation is: false [2021-10-28 22:59:26,622 INFO L853 garLoopResultBuilder]: At program point L594-3(lines 593 612) the Hoare annotation is: false [2021-10-28 22:59:26,623 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 433) no Hoare annotation was computed. [2021-10-28 22:59:26,623 INFO L857 garLoopResultBuilder]: For program point L429-3(lines 429 433) no Hoare annotation was computed. [2021-10-28 22:59:26,623 INFO L857 garLoopResultBuilder]: For program point L429-6(lines 429 433) no Hoare annotation was computed. [2021-10-28 22:59:26,623 INFO L857 garLoopResultBuilder]: For program point L793(lines 793 799) no Hoare annotation was computed. [2021-10-28 22:59:26,623 INFO L853 garLoopResultBuilder]: At program point L760(lines 745 763) the Hoare annotation is: false [2021-10-28 22:59:26,623 INFO L853 garLoopResultBuilder]: At program point L760-1(lines 745 763) the Hoare annotation is: false [2021-10-28 22:59:26,623 INFO L857 garLoopResultBuilder]: For program point L793-2(lines 793 799) no Hoare annotation was computed. [2021-10-28 22:59:26,624 INFO L853 garLoopResultBuilder]: At program point L760-2(lines 745 763) the Hoare annotation is: false [2021-10-28 22:59:26,624 INFO L853 garLoopResultBuilder]: At program point L760-3(lines 745 763) the Hoare annotation is: false [2021-10-28 22:59:26,624 INFO L857 garLoopResultBuilder]: For program point L793-4(lines 793 799) no Hoare annotation was computed. [2021-10-28 22:59:26,624 INFO L853 garLoopResultBuilder]: At program point L760-4(lines 745 763) the Hoare annotation is: false [2021-10-28 22:59:26,624 INFO L853 garLoopResultBuilder]: At program point L760-5(lines 745 763) the Hoare annotation is: false [2021-10-28 22:59:26,624 INFO L857 garLoopResultBuilder]: For program point L860(lines 860 864) no Hoare annotation was computed. [2021-10-28 22:59:26,624 INFO L857 garLoopResultBuilder]: For program point L860-1(lines 594 600) no Hoare annotation was computed. [2021-10-28 22:59:26,628 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-28 22:59:26,629 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:59:26,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:59:26 BoogieIcfgContainer [2021-10-28 22:59:26,646 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:59:26,646 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:59:26,646 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:59:26,646 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:59:26,647 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:59:24" (3/4) ... [2021-10-28 22:59:26,650 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 22:59:26,667 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 22:59:26,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 22:59:26,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 22:59:26,670 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 22:59:26,671 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 22:59:26,672 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:59:26,673 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:59:26,698 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-28 22:59:26,699 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive [2021-10-28 22:59:26,703 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-28 22:59:26,777 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff0c7d-11bf-44e3-b226-df69822e0965/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:59:26,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:59:26,780 INFO L168 Benchmark]: Toolchain (without parser) took 3797.75 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 45.4 MB in the beginning and 51.4 MB in the end (delta: -6.0 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2021-10-28 22:59:26,780 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory is still 62.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:59:26,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.43 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 45.2 MB in the beginning and 65.5 MB in the end (delta: -20.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:59:26,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.39 ms. Allocated memory is still 100.7 MB. Free memory was 65.5 MB in the beginning and 62.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:59:26,782 INFO L168 Benchmark]: Boogie Preprocessor took 89.33 ms. Allocated memory is still 100.7 MB. Free memory was 62.3 MB in the beginning and 59.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:59:26,782 INFO L168 Benchmark]: RCFGBuilder took 943.98 ms. Allocated memory is still 100.7 MB. Free memory was 59.2 MB in the beginning and 57.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2021-10-28 22:59:26,782 INFO L168 Benchmark]: TraceAbstraction took 1965.59 ms. Allocated memory is still 100.7 MB. Free memory was 57.9 MB in the beginning and 60.6 MB in the end (delta: -2.7 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. [2021-10-28 22:59:26,783 INFO L168 Benchmark]: Witness Printer took 131.37 ms. Allocated memory is still 100.7 MB. Free memory was 60.6 MB in the beginning and 51.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:59:26,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 83.9 MB. Free memory is still 62.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 549.43 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 45.2 MB in the beginning and 65.5 MB in the end (delta: -20.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.39 ms. Allocated memory is still 100.7 MB. Free memory was 65.5 MB in the beginning and 62.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.33 ms. Allocated memory is still 100.7 MB. Free memory was 62.3 MB in the beginning and 59.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 943.98 ms. Allocated memory is still 100.7 MB. Free memory was 59.2 MB in the beginning and 57.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1965.59 ms. Allocated memory is still 100.7 MB. Free memory was 57.9 MB in the beginning and 60.6 MB in the end (delta: -2.7 MB). Peak memory consumption was 29.0 MB. Max. memory is 16.1 GB. * Witness Printer took 131.37 ms. Allocated memory is still 100.7 MB. Free memory was 60.6 MB in the beginning and 51.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 945]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 945]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 945]: 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, 107 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 432 SDtfs, 659 SDslu, 622 SDs, 0 SdLazy, 80 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 178 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 130 NumberOfFragments, 137 HoareAnnotationTreeSize, 44 FomulaSimplifications, 4534 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 22:59:26,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95ff0c7d-11bf-44e3-b226-df69822e0965/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...