./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF --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 bacd385beffa77b8f8ef1edb48e90e10775e6eeea64904371428d8b002d57b38 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:16:26,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:16:26,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:16:26,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:16:26,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:16:26,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:16:26,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:16:26,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:16:26,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:16:26,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:16:26,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:16:26,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:16:26,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:16:26,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:16:26,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:16:26,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:16:26,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:16:26,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:16:26,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:16:26,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:16:26,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:16:26,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:16:26,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:16:26,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:16:26,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:16:26,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:16:26,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:16:26,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:16:26,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:16:26,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:16:26,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:16:26,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:16:26,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:16:26,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:16:26,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:16:26,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:16:26,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:16:26,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:16:26,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:16:26,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:16:26,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:16:26,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 07:16:26,763 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:16:26,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:16:26,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:16:26,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:16:26,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:16:26,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:16:26,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:16:26,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:16:26,776 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:16:26,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:16:26,778 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:16:26,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:16:26,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:16:26,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:16:26,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:16:26,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:16:26,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:16:26,780 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:16:26,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:16:26,780 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:16:26,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:16:26,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:16:26,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:16:26,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:16:26,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:16:26,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:16:26,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:16:26,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:16:26,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:16:26,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:16:26,786 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:16:26,786 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:16:26,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:16:26,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:16:26,787 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_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bacd385beffa77b8f8ef1edb48e90e10775e6eeea64904371428d8b002d57b38 [2021-11-20 07:16:27,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:16:27,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:16:27,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:16:27,219 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:16:27,220 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:16:27,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c [2021-11-20 07:16:27,305 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF/data/199f029ac/19e4774c90c64cf394f002462589770f/FLAGce6317da6 [2021-11-20 07:16:28,022 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:16:28,023 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c [2021-11-20 07:16:28,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF/data/199f029ac/19e4774c90c64cf394f002462589770f/FLAGce6317da6 [2021-11-20 07:16:28,317 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF/data/199f029ac/19e4774c90c64cf394f002462589770f [2021-11-20 07:16:28,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:16:28,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:16:28,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:16:28,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:16:28,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:16:28,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:16:28" (1/1) ... [2021-11-20 07:16:28,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4294f669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:28, skipping insertion in model container [2021-11-20 07:16:28,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:16:28" (1/1) ... [2021-11-20 07:16:28,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:16:28,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:16:28,820 WARN L230 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_8e0b2264-1822-48d6-b295-6ee0755933b2/sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c[18746,18759] [2021-11-20 07:16:28,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:16:28,847 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:16:28,999 WARN L230 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_8e0b2264-1822-48d6-b295-6ee0755933b2/sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c[18746,18759] [2021-11-20 07:16:29,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:16:29,022 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:16:29,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:29 WrapperNode [2021-11-20 07:16:29,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:16:29,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:16:29,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:16:29,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:16:29,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:29" (1/1) ... [2021-11-20 07:16:29,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:29" (1/1) ... [2021-11-20 07:16:29,089 INFO L137 Inliner]: procedures = 57, calls = 159, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 256 [2021-11-20 07:16:29,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:16:29,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:16:29,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:16:29,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:16:29,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:29" (1/1) ... [2021-11-20 07:16:29,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:29" (1/1) ... [2021-11-20 07:16:29,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:29" (1/1) ... [2021-11-20 07:16:29,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:29" (1/1) ... [2021-11-20 07:16:29,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:29" (1/1) ... [2021-11-20 07:16:29,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:29" (1/1) ... [2021-11-20 07:16:29,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:29" (1/1) ... [2021-11-20 07:16:29,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:16:29,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:16:29,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:16:29,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:16:29,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:29" (1/1) ... [2021-11-20 07:16:29,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:16:29,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:16:29,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:16:29,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:16:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:16:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-20 07:16:29,236 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-20 07:16:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-20 07:16:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-20 07:16:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-20 07:16:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-20 07:16:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-20 07:16:29,237 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-20 07:16:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-20 07:16:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-20 07:16:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-20 07:16:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-20 07:16:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-20 07:16:29,238 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-20 07:16:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:16:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-20 07:16:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-20 07:16:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:16:29,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:16:29,367 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:16:29,369 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:16:29,841 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:16:29,856 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:16:29,856 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 07:16:29,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:16:29 BoogieIcfgContainer [2021-11-20 07:16:29,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:16:29,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:16:29,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:16:29,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:16:29,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:16:28" (1/3) ... [2021-11-20 07:16:29,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2a1357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:16:29, skipping insertion in model container [2021-11-20 07:16:29,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:16:29" (2/3) ... [2021-11-20 07:16:29,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c2a1357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:16:29, skipping insertion in model container [2021-11-20 07:16:29,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:16:29" (3/3) ... [2021-11-20 07:16:29,875 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product24.cil.c [2021-11-20 07:16:29,882 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:16:29,882 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:16:29,957 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:16:29,970 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 [2021-11-20 07:16:29,971 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:16:30,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 72 states have (on average 1.3611111111111112) internal successors, (98), 81 states have internal predecessors, (98), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-20 07:16:30,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-20 07:16:30,034 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:16:30,035 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:16:30,036 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:16:30,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:16:30,044 INFO L85 PathProgramCache]: Analyzing trace with hash -807761823, now seen corresponding path program 1 times [2021-11-20 07:16:30,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:16:30,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538911396] [2021-11-20 07:16:30,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:16:30,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:16:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:16:30,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:16:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:16:30,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 07:16:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:16:30,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 07:16:30,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:16:30,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538911396] [2021-11-20 07:16:30,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538911396] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:16:30,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:16:30,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:16:30,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520171182] [2021-11-20 07:16:30,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:16:30,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:16:30,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:16:30,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:16:30,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:16:30,526 INFO L87 Difference]: Start difference. First operand has 97 states, 72 states have (on average 1.3611111111111112) internal successors, (98), 81 states have internal predecessors, (98), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 07:16:30,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:16:30,580 INFO L93 Difference]: Finished difference Result 185 states and 250 transitions. [2021-11-20 07:16:30,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:16:30,583 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2021-11-20 07:16:30,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:16:30,595 INFO L225 Difference]: With dead ends: 185 [2021-11-20 07:16:30,595 INFO L226 Difference]: Without dead ends: 88 [2021-11-20 07:16:30,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:16:30,605 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:16:30,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:16:30,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-20 07:16:30,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-11-20 07:16:30,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 65 states have (on average 1.2923076923076924) internal successors, (84), 73 states have internal predecessors, (84), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2021-11-20 07:16:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2021-11-20 07:16:30,669 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 32 [2021-11-20 07:16:30,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:16:30,670 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2021-11-20 07:16:30,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 07:16:30,671 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2021-11-20 07:16:30,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-20 07:16:30,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:16:30,675 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:16:30,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:16:30,676 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:16:30,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:16:30,677 INFO L85 PathProgramCache]: Analyzing trace with hash 2014234446, now seen corresponding path program 1 times [2021-11-20 07:16:30,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:16:30,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121531448] [2021-11-20 07:16:30,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:16:30,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:16:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:16:30,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:16:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:16:30,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:16:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:16:30,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 07:16:30,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:16:30,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121531448] [2021-11-20 07:16:30,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121531448] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:16:30,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:16:30,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 07:16:30,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201071506] [2021-11-20 07:16:30,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:16:30,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 07:16:30,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:16:30,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 07:16:30,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:16:30,879 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 07:16:30,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:16:30,923 INFO L93 Difference]: Finished difference Result 136 states and 174 transitions. [2021-11-20 07:16:30,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 07:16:30,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2021-11-20 07:16:30,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:16:30,928 INFO L225 Difference]: With dead ends: 136 [2021-11-20 07:16:30,928 INFO L226 Difference]: Without dead ends: 79 [2021-11-20 07:16:30,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 07:16:30,931 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 17 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 07:16:30,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 178 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 07:16:30,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-11-20 07:16:30,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-11-20 07:16:30,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 59 states have (on average 1.305084745762712) internal successors, (77), 67 states have internal predecessors, (77), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-20 07:16:30,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2021-11-20 07:16:30,968 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 33 [2021-11-20 07:16:30,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:16:30,968 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2021-11-20 07:16:30,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 07:16:30,969 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2021-11-20 07:16:30,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-20 07:16:30,975 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:16:30,975 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:16:30,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:16:30,975 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:16:30,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:16:30,977 INFO L85 PathProgramCache]: Analyzing trace with hash -614478798, now seen corresponding path program 1 times [2021-11-20 07:16:30,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:16:30,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575395275] [2021-11-20 07:16:30,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:16:30,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:16:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:16:31,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-20 07:16:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:16:31,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-20 07:16:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:16:31,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-20 07:16:31,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:16:31,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575395275] [2021-11-20 07:16:31,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575395275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:16:31,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:16:31,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:16:31,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419750628] [2021-11-20 07:16:31,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:16:31,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:16:31,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:16:31,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:16:31,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:16:31,172 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:16:31,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:16:31,359 INFO L93 Difference]: Finished difference Result 197 states and 256 transitions. [2021-11-20 07:16:31,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:16:31,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2021-11-20 07:16:31,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:16:31,372 INFO L225 Difference]: With dead ends: 197 [2021-11-20 07:16:31,372 INFO L226 Difference]: Without dead ends: 126 [2021-11-20 07:16:31,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:16:31,380 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 162 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:16:31,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [162 Valid, 347 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:16:31,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-11-20 07:16:31,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2021-11-20 07:16:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 92 states have (on average 1.326086956521739) internal successors, (122), 103 states have internal predecessors, (122), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (19), 13 states have call predecessors, (19), 18 states have call successors, (19) [2021-11-20 07:16:31,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 159 transitions. [2021-11-20 07:16:31,429 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 159 transitions. Word has length 38 [2021-11-20 07:16:31,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:16:31,430 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 159 transitions. [2021-11-20 07:16:31,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 07:16:31,430 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 159 transitions. [2021-11-20 07:16:31,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-20 07:16:31,442 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:16:31,442 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:16:31,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:16:31,443 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:16:31,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:16:31,447 INFO L85 PathProgramCache]: Analyzing trace with hash 10293682, now seen corresponding path program 1 times [2021-11-20 07:16:31,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:16:31,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418624402] [2021-11-20 07:16:31,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:16:31,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:16:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:16:31,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-20 07:16:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:16:31,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 07:16:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:16:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 07:16:31,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:16:31,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418624402] [2021-11-20 07:16:31,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418624402] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:16:31,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:16:31,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:16:31,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703579111] [2021-11-20 07:16:31,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:16:31,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:16:31,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:16:31,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:16:31,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:16:31,610 INFO L87 Difference]: Start difference. First operand 123 states and 159 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 07:16:31,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:16:31,818 INFO L93 Difference]: Finished difference Result 216 states and 283 transitions. [2021-11-20 07:16:31,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:16:31,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-11-20 07:16:31,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:16:31,819 INFO L225 Difference]: With dead ends: 216 [2021-11-20 07:16:31,819 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 07:16:31,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:16:31,834 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 38 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:16:31,835 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 230 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 07:16:31,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 07:16:31,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 07:16:31,838 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) [2021-11-20 07:16:31,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 07:16:31,838 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-11-20 07:16:31,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:16:31,839 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:16:31,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 07:16:31,839 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:16:31,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 07:16:31,842 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:16:31,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:16:31,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 07:16:32,371 INFO L861 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 389 396) the Hoare annotation is: true [2021-11-20 07:16:32,371 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 389 396) no Hoare annotation was computed. [2021-11-20 07:16:32,371 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 389 396) no Hoare annotation was computed. [2021-11-20 07:16:32,372 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 322 328) no Hoare annotation was computed. [2021-11-20 07:16:32,372 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 322 328) the Hoare annotation is: true [2021-11-20 07:16:32,372 INFO L858 garLoopResultBuilder]: For program point L191-1(lines 187 198) no Hoare annotation was computed. [2021-11-20 07:16:32,373 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 187 198) the Hoare annotation is: true [2021-11-20 07:16:32,373 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 187 198) no Hoare annotation was computed. [2021-11-20 07:16:32,373 INFO L858 garLoopResultBuilder]: For program point L985(line 985) no Hoare annotation was computed. [2021-11-20 07:16:32,373 INFO L854 garLoopResultBuilder]: At program point L948(lines 941 950) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-20 07:16:32,374 INFO L854 garLoopResultBuilder]: At program point L370(line 370) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:16:32,374 INFO L854 garLoopResultBuilder]: At program point L366(line 366) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:16:32,374 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 295 321) no Hoare annotation was computed. [2021-11-20 07:16:32,374 INFO L854 garLoopResultBuilder]: At program point L961(line 961) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-20 07:16:32,375 INFO L858 garLoopResultBuilder]: For program point L961-1(line 961) no Hoare annotation was computed. [2021-11-20 07:16:32,375 INFO L854 garLoopResultBuilder]: At program point L986(lines 981 988) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:16:32,375 INFO L854 garLoopResultBuilder]: At program point L375(line 375) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2021-11-20 07:16:32,376 INFO L854 garLoopResultBuilder]: At program point L375-1(lines 356 380) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2021-11-20 07:16:32,376 INFO L854 garLoopResultBuilder]: At program point L404(lines 397 407) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:16:32,376 INFO L858 garLoopResultBuilder]: For program point L309-1(lines 309 315) no Hoare annotation was computed. [2021-11-20 07:16:32,376 INFO L854 garLoopResultBuilder]: At program point L946(line 946) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-20 07:16:32,377 INFO L858 garLoopResultBuilder]: For program point L946-1(line 946) no Hoare annotation was computed. [2021-11-20 07:16:32,377 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 308) no Hoare annotation was computed. [2021-11-20 07:16:32,377 INFO L858 garLoopResultBuilder]: For program point L302-2(lines 298 320) no Hoare annotation was computed. [2021-11-20 07:16:32,377 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 372) no Hoare annotation was computed. [2021-11-20 07:16:32,378 INFO L854 garLoopResultBuilder]: At program point L236(lines 231 239) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-20 07:16:32,378 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 377) no Hoare annotation was computed. [2021-11-20 07:16:32,378 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 973) no Hoare annotation was computed. [2021-11-20 07:16:32,378 INFO L858 garLoopResultBuilder]: For program point L959(lines 959 976) no Hoare annotation was computed. [2021-11-20 07:16:32,379 INFO L854 garLoopResultBuilder]: At program point L959-1(lines 951 979) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-20 07:16:32,379 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 295 321) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-11-20 07:16:32,379 INFO L854 garLoopResultBuilder]: At program point L204(lines 199 207) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:16:32,380 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 295 321) no Hoare annotation was computed. [2021-11-20 07:16:32,380 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2021-11-20 07:16:32,380 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2021-11-20 07:16:32,380 INFO L854 garLoopResultBuilder]: At program point L167-2(lines 163 174) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-11-20 07:16:32,381 INFO L858 garLoopResultBuilder]: For program point L964(lines 964 970) no Hoare annotation was computed. [2021-11-20 07:16:32,381 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2021-11-20 07:16:32,381 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2021-11-20 07:16:32,381 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-11-20 07:16:32,382 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2021-11-20 07:16:32,382 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2021-11-20 07:16:32,382 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2021-11-20 07:16:32,382 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2021-11-20 07:16:32,383 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2021-11-20 07:16:32,383 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-11-20 07:16:32,383 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-11-20 07:16:32,383 INFO L861 garLoopResultBuilder]: At program point L126(lines 118 128) the Hoare annotation is: true [2021-11-20 07:16:32,384 INFO L861 garLoopResultBuilder]: At program point L151(lines 132 154) the Hoare annotation is: true [2021-11-20 07:16:32,384 INFO L854 garLoopResultBuilder]: At program point L556(lines 505 557) the Hoare annotation is: false [2021-11-20 07:16:32,384 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 550) no Hoare annotation was computed. [2021-11-20 07:16:32,384 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 07:16:32,384 INFO L854 garLoopResultBuilder]: At program point L478(line 478) the Hoare annotation is: false [2021-11-20 07:16:32,385 INFO L854 garLoopResultBuilder]: At program point L544-2(lines 536 551) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 07:16:32,385 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 07:16:32,385 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 07:16:32,386 INFO L858 garLoopResultBuilder]: For program point L507(lines 506 555) no Hoare annotation was computed. [2021-11-20 07:16:32,386 INFO L854 garLoopResultBuilder]: At program point L280(lines 275 283) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2021-11-20 07:16:32,386 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 551) no Hoare annotation was computed. [2021-11-20 07:16:32,386 INFO L854 garLoopResultBuilder]: At program point L272(lines 268 274) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-11-20 07:16:32,387 INFO L854 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 07:16:32,387 INFO L854 garLoopResultBuilder]: At program point L553(lines 506 555) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 07:16:32,387 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 522) no Hoare annotation was computed. [2021-11-20 07:16:32,387 INFO L858 garLoopResultBuilder]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2021-11-20 07:16:32,388 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 07:16:32,388 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2021-11-20 07:16:32,388 INFO L854 garLoopResultBuilder]: At program point L492(lines 487 494) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-11-20 07:16:32,388 INFO L854 garLoopResultBuilder]: At program point L938(lines 933 940) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (not (= 0 ~systemActive~0))) [2021-11-20 07:16:32,389 INFO L854 garLoopResultBuilder]: At program point L265(lines 261 267) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) [2021-11-20 07:16:32,389 INFO L854 garLoopResultBuilder]: At program point L484(lines 472 486) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 07:16:32,389 INFO L858 garLoopResultBuilder]: For program point L476(lines 476 482) no Hoare annotation was computed. [2021-11-20 07:16:32,389 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 476 482) no Hoare annotation was computed. [2021-11-20 07:16:32,390 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (not (= 0 ~systemActive~0))) [2021-11-20 07:16:32,390 INFO L861 garLoopResultBuilder]: At program point L559(lines 496 563) the Hoare annotation is: true [2021-11-20 07:16:32,390 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2021-11-20 07:16:32,390 INFO L858 garLoopResultBuilder]: For program point L526(lines 526 532) no Hoare annotation was computed. [2021-11-20 07:16:32,391 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 526 532) no Hoare annotation was computed. [2021-11-20 07:16:32,391 INFO L858 garLoopResultBuilder]: For program point L142-2(lines 142 149) no Hoare annotation was computed. [2021-11-20 07:16:32,391 INFO L854 garLoopResultBuilder]: At program point L518(line 518) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 07:16:32,391 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 175 186) no Hoare annotation was computed. [2021-11-20 07:16:32,392 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 175 186) the Hoare annotation is: true [2021-11-20 07:16:32,392 INFO L858 garLoopResultBuilder]: For program point L179-1(lines 175 186) no Hoare annotation was computed. [2021-11-20 07:16:32,392 INFO L854 garLoopResultBuilder]: At program point L349(line 349) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-11-20 07:16:32,392 INFO L858 garLoopResultBuilder]: For program point L349-1(lines 330 354) no Hoare annotation was computed. [2021-11-20 07:16:32,393 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 330 354) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-11-20 07:16:32,393 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 330 354) no Hoare annotation was computed. [2021-11-20 07:16:32,393 INFO L854 garLoopResultBuilder]: At program point L344(line 344) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= |old(~pumpRunning~0)| 0))) [2021-11-20 07:16:32,393 INFO L854 garLoopResultBuilder]: At program point L245(lines 240 248) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= |old(~pumpRunning~0)| 0))) [2021-11-20 07:16:32,394 INFO L854 garLoopResultBuilder]: At program point L468(lines 453 471) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= |old(~pumpRunning~0)| 0))) [2021-11-20 07:16:32,394 INFO L854 garLoopResultBuilder]: At program point L340(line 340) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= |old(~pumpRunning~0)| 0))) [2021-11-20 07:16:32,394 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 346) no Hoare annotation was computed. [2021-11-20 07:16:32,394 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 351) no Hoare annotation was computed. [2021-11-20 07:16:32,394 INFO L858 garLoopResultBuilder]: For program point L462(lines 462 466) no Hoare annotation was computed. [2021-11-20 07:16:32,395 INFO L858 garLoopResultBuilder]: For program point L462-2(lines 462 466) no Hoare annotation was computed. [2021-11-20 07:16:32,395 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 408 416) no Hoare annotation was computed. [2021-11-20 07:16:32,395 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 408 416) the Hoare annotation is: true [2021-11-20 07:16:32,395 INFO L858 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 408 416) no Hoare annotation was computed. [2021-11-20 07:16:32,399 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-20 07:16:32,401 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:16:32,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:16:32 BoogieIcfgContainer [2021-11-20 07:16:32,422 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:16:32,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:16:32,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:16:32,423 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:16:32,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:16:29" (3/4) ... [2021-11-20 07:16:32,427 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 07:16:32,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-20 07:16:32,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-20 07:16:32,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-20 07:16:32,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-20 07:16:32,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-20 07:16:32,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-20 07:16:32,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-11-20 07:16:32,437 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-11-20 07:16:32,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2021-11-20 07:16:32,453 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-20 07:16:32,454 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-20 07:16:32,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-20 07:16:32,456 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 07:16:32,457 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 07:16:32,457 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 07:16:32,489 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) [2021-11-20 07:16:32,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) [2021-11-20 07:16:32,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) [2021-11-20 07:16:32,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0 [2021-11-20 07:16:32,493 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-20 07:16:32,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-20 07:16:32,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) [2021-11-20 07:16:32,497 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-20 07:16:32,498 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2021-11-20 07:16:32,498 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-20 07:16:32,498 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0 [2021-11-20 07:16:32,499 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2021-11-20 07:16:32,499 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-20 07:16:32,500 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2021-11-20 07:16:32,502 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: systemActive == 0 || !(\old(pumpRunning) == 0) [2021-11-20 07:16:32,503 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: systemActive == 0 || !(\old(pumpRunning) == 0) [2021-11-20 07:16:32,559 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 07:16:32,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:16:32,560 INFO L158 Benchmark]: Toolchain (without parser) took 4238.82ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 84.2MB in the beginning and 76.8MB in the end (delta: 7.4MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2021-11-20 07:16:32,561 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 115.3MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:16:32,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 700.44ms. Allocated memory is still 115.3MB. Free memory was 84.2MB in the beginning and 82.0MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:16:32,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.02ms. Allocated memory is still 115.3MB. Free memory was 82.0MB in the beginning and 79.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:16:32,562 INFO L158 Benchmark]: Boogie Preprocessor took 51.07ms. Allocated memory is still 115.3MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:16:32,563 INFO L158 Benchmark]: RCFGBuilder took 718.13ms. Allocated memory is still 115.3MB. Free memory was 78.0MB in the beginning and 61.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-20 07:16:32,564 INFO L158 Benchmark]: TraceAbstraction took 2556.78ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 61.2MB in the beginning and 83.1MB in the end (delta: -21.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:16:32,564 INFO L158 Benchmark]: Witness Printer took 136.48ms. Allocated memory is still 138.4MB. Free memory was 83.1MB in the beginning and 76.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:16:32,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 115.3MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 700.44ms. Allocated memory is still 115.3MB. Free memory was 84.2MB in the beginning and 82.0MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.02ms. Allocated memory is still 115.3MB. Free memory was 82.0MB in the beginning and 79.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.07ms. Allocated memory is still 115.3MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 718.13ms. Allocated memory is still 115.3MB. Free memory was 78.0MB in the beginning and 61.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2556.78ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 61.2MB in the beginning and 83.1MB in the end (delta: -21.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 136.48ms. Allocated memory is still 138.4MB. Free memory was 83.1MB in the beginning and 76.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * 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: 985]: 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 9 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 222 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 217 mSDsluCounter, 877 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 478 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 399 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=3, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 267 PreInvPairs, 297 NumberOfFragments, 304 HoareAnnotationTreeSize, 267 FomulaSimplifications, 45 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 370 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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 1 specifications checked. All of them hold - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: systemActive == 0 || !(\old(pumpRunning) == 0) - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: pumpRunning == 0 && !(0 == systemActive) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: systemActive == 0 || !(\old(pumpRunning) == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) RESULT: Ultimate proved your program to be correct! [2021-11-20 07:16:32,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b2264-1822-48d6-b295-6ee0755933b2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE