./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa --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 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:25:18,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:25:18,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:25:18,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:25:18,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:25:18,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:25:18,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:25:18,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:25:18,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:25:18,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:25:18,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:25:18,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:25:18,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:25:18,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:25:18,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:25:18,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:25:18,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:25:18,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:25:18,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:25:18,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:25:18,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:25:18,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:25:18,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:25:18,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:25:18,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:25:18,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:25:18,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:25:18,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:25:18,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:25:18,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:25:18,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:25:18,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:25:18,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:25:18,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:25:18,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:25:18,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:25:18,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:25:18,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:25:18,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:25:18,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:25:18,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:25:18,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 01:25:18,672 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:25:18,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:25:18,673 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:25:18,673 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:25:18,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:25:18,674 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:25:18,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:25:18,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:25:18,674 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:25:18,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:25:18,675 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 01:25:18,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:25:18,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 01:25:18,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:25:18,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:25:18,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:25:18,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:25:18,675 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 01:25:18,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:25:18,676 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:25:18,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:25:18,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:25:18,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:25:18,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:25:18,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:25:18,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:25:18,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:25:18,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:25:18,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:25:18,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:25:18,677 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:25:18,677 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:25:18,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:25:18,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:25:18,678 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_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 [2021-12-07 01:25:18,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:25:18,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:25:18,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:25:18,869 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:25:18,870 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:25:18,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-12-07 01:25:18,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa/data/935430787/0191dc935708489cbdee9f002f36ca3b/FLAGac73efd95 [2021-12-07 01:25:19,312 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:25:19,312 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2021-12-07 01:25:19,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa/data/935430787/0191dc935708489cbdee9f002f36ca3b/FLAGac73efd95 [2021-12-07 01:25:19,332 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa/data/935430787/0191dc935708489cbdee9f002f36ca3b [2021-12-07 01:25:19,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:25:19,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:25:19,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:25:19,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:25:19,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:25:19,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:25:19" (1/1) ... [2021-12-07 01:25:19,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49571bf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:19, skipping insertion in model container [2021-12-07 01:25:19,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:25:19" (1/1) ... [2021-12-07 01:25:19,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:25:19,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:25:19,543 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_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[6038,6051] [2021-12-07 01:25:19,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:25:19,610 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:25:19,639 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_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[6038,6051] [2021-12-07 01:25:19,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:25:19,693 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:25:19,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:19 WrapperNode [2021-12-07 01:25:19,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:25:19,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:25:19,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:25:19,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:25:19,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:19" (1/1) ... [2021-12-07 01:25:19,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:19" (1/1) ... [2021-12-07 01:25:19,736 INFO L137 Inliner]: procedures = 51, calls = 148, calls flagged for inlining = 20, calls inlined = 15, statements flattened = 187 [2021-12-07 01:25:19,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:25:19,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:25:19,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:25:19,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:25:19,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:19" (1/1) ... [2021-12-07 01:25:19,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:19" (1/1) ... [2021-12-07 01:25:19,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:19" (1/1) ... [2021-12-07 01:25:19,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:19" (1/1) ... [2021-12-07 01:25:19,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:19" (1/1) ... [2021-12-07 01:25:19,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:19" (1/1) ... [2021-12-07 01:25:19,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:19" (1/1) ... [2021-12-07 01:25:19,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:25:19,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:25:19,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:25:19,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:25:19,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:19" (1/1) ... [2021-12-07 01:25:19,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:25:19,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:25:19,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:25:19,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:25:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:25:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-07 01:25:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-07 01:25:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-07 01:25:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-07 01:25:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-07 01:25:19,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-07 01:25:19,826 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-07 01:25:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-07 01:25:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:25:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-07 01:25:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-07 01:25:19,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:25:19,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:25:19,880 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:25:19,881 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:25:20,052 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:25:20,058 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:25:20,059 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 01:25:20,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:25:20 BoogieIcfgContainer [2021-12-07 01:25:20,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:25:20,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:25:20,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:25:20,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:25:20,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:25:19" (1/3) ... [2021-12-07 01:25:20,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d849e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:25:20, skipping insertion in model container [2021-12-07 01:25:20,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:19" (2/3) ... [2021-12-07 01:25:20,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d849e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:25:20, skipping insertion in model container [2021-12-07 01:25:20,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:25:20" (3/3) ... [2021-12-07 01:25:20,066 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2021-12-07 01:25:20,069 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:25:20,069 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:25:20,103 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:25:20,108 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 [2021-12-07 01:25:20,108 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:25:20,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 56 states have internal predecessors, (72), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-07 01:25:20,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-07 01:25:20,126 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:20,127 INFO L514 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] [2021-12-07 01:25:20,127 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:20,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:20,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1989818001, now seen corresponding path program 1 times [2021-12-07 01:25:20,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:20,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158418358] [2021-12-07 01:25:20,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:20,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:25:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:20,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:20,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:20,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158418358] [2021-12-07 01:25:20,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158418358] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:20,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:20,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:25:20,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440680104] [2021-12-07 01:25:20,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:20,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 01:25:20,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:20,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 01:25:20,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:25:20,332 INFO L87 Difference]: Start difference. First operand has 66 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 56 states have internal predecessors, (72), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:25:20,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:20,353 INFO L93 Difference]: Finished difference Result 124 states and 167 transitions. [2021-12-07 01:25:20,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 01:25:20,354 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-12-07 01:25:20,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:20,365 INFO L225 Difference]: With dead ends: 124 [2021-12-07 01:25:20,365 INFO L226 Difference]: Without dead ends: 57 [2021-12-07 01:25:20,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:25:20,371 INFO L933 BasicCegarLoop]: 80 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, 80 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 [2021-12-07 01:25:20,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:25:20,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-12-07 01:25:20,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-12-07 01:25:20,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 45 states have (on average 1.288888888888889) internal successors, (58), 48 states have internal predecessors, (58), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-12-07 01:25:20,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2021-12-07 01:25:20,400 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 71 transitions. Word has length 23 [2021-12-07 01:25:20,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:20,400 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 71 transitions. [2021-12-07 01:25:20,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:25:20,400 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2021-12-07 01:25:20,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-07 01:25:20,402 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:20,402 INFO L514 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] [2021-12-07 01:25:20,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:25:20,403 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:20,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:20,404 INFO L85 PathProgramCache]: Analyzing trace with hash 366452259, now seen corresponding path program 1 times [2021-12-07 01:25:20,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:20,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601583869] [2021-12-07 01:25:20,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:20,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 01:25:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:20,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:20,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601583869] [2021-12-07 01:25:20,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601583869] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:20,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:20,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:25:20,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759631911] [2021-12-07 01:25:20,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:20,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:25:20,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:20,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:25:20,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:25:20,460 INFO L87 Difference]: Start difference. First operand 57 states and 71 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:25:20,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:20,468 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2021-12-07 01:25:20,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:25:20,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-12-07 01:25:20,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:20,470 INFO L225 Difference]: With dead ends: 76 [2021-12-07 01:25:20,470 INFO L226 Difference]: Without dead ends: 48 [2021-12-07 01:25:20,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:25:20,472 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 17 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 95 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 [2021-12-07 01:25:20,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 95 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:25:20,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-12-07 01:25:20,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-12-07 01:25:20,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 42 states have internal predecessors, (51), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-07 01:25:20,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2021-12-07 01:25:20,478 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 24 [2021-12-07 01:25:20,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:20,478 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2021-12-07 01:25:20,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:25:20,479 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2021-12-07 01:25:20,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-07 01:25:20,479 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:20,479 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:20,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:25:20,480 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:20,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:20,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1516817852, now seen corresponding path program 1 times [2021-12-07 01:25:20,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:20,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63218771] [2021-12-07 01:25:20,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:20,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:20,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-07 01:25:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:20,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:20,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:20,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63218771] [2021-12-07 01:25:20,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63218771] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:20,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:20,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:25:20,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475125596] [2021-12-07 01:25:20,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:20,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:25:20,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:20,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:25:20,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:25:20,546 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:25:20,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:20,630 INFO L93 Difference]: Finished difference Result 168 states and 215 transitions. [2021-12-07 01:25:20,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:25:20,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-12-07 01:25:20,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:20,633 INFO L225 Difference]: With dead ends: 168 [2021-12-07 01:25:20,633 INFO L226 Difference]: Without dead ends: 127 [2021-12-07 01:25:20,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-07 01:25:20,634 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 128 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:20,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 324 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:25:20,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-12-07 01:25:20,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 117. [2021-12-07 01:25:20,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 99 states have internal predecessors, (124), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2021-12-07 01:25:20,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 149 transitions. [2021-12-07 01:25:20,652 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 149 transitions. Word has length 28 [2021-12-07 01:25:20,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:20,652 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 149 transitions. [2021-12-07 01:25:20,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:25:20,652 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 149 transitions. [2021-12-07 01:25:20,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-07 01:25:20,653 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:20,653 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:20,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:25:20,654 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:20,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:20,654 INFO L85 PathProgramCache]: Analyzing trace with hash -871834641, now seen corresponding path program 1 times [2021-12-07 01:25:20,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:20,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44289587] [2021-12-07 01:25:20,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:20,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:20,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-07 01:25:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:20,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:20,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:20,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44289587] [2021-12-07 01:25:20,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44289587] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:20,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:20,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-07 01:25:20,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554214448] [2021-12-07 01:25:20,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:20,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:25:20,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:20,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:25:20,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-07 01:25:20,710 INFO L87 Difference]: Start difference. First operand 117 states and 149 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:25:20,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:20,738 INFO L93 Difference]: Finished difference Result 227 states and 294 transitions. [2021-12-07 01:25:20,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:25:20,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-12-07 01:25:20,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:20,739 INFO L225 Difference]: With dead ends: 227 [2021-12-07 01:25:20,739 INFO L226 Difference]: Without dead ends: 0 [2021-12-07 01:25:20,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:25:20,742 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 36 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:20,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 142 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:25:20,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-07 01:25:20,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-07 01:25:20,744 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) [2021-12-07 01:25:20,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-07 01:25:20,744 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2021-12-07 01:25:20,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:20,744 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:25:20,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:25:20,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-07 01:25:20,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-07 01:25:20,746 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 01:25:20,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:25:20,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-07 01:25:20,884 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 440 451) the Hoare annotation is: true [2021-12-07 01:25:20,884 INFO L858 garLoopResultBuilder]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2021-12-07 01:25:20,885 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 440 451) no Hoare annotation was computed. [2021-12-07 01:25:20,885 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 452 460) the Hoare annotation is: true [2021-12-07 01:25:20,885 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 452 460) no Hoare annotation was computed. [2021-12-07 01:25:20,885 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 452 460) no Hoare annotation was computed. [2021-12-07 01:25:20,885 INFO L858 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2021-12-07 01:25:20,885 INFO L854 garLoopResultBuilder]: At program point L281(lines 276 284) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |timeShift_isPumpRunning_#res#1| 0)) [2021-12-07 01:25:20,885 INFO L854 garLoopResultBuilder]: At program point L409(lines 404 411) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-12-07 01:25:20,886 INFO L858 garLoopResultBuilder]: For program point L502(lines 502 515) no Hoare annotation was computed. [2021-12-07 01:25:20,886 INFO L861 garLoopResultBuilder]: At program point L502-1(lines 494 518) the Hoare annotation is: true [2021-12-07 01:25:20,886 INFO L861 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: true [2021-12-07 01:25:20,886 INFO L858 garLoopResultBuilder]: For program point L500-1(line 500) no Hoare annotation was computed. [2021-12-07 01:25:20,886 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2021-12-07 01:25:20,886 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 200 223) no Hoare annotation was computed. [2021-12-07 01:25:20,886 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2021-12-07 01:25:20,886 INFO L854 garLoopResultBuilder]: At program point L228(lines 224 230) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2021-12-07 01:25:20,887 INFO L854 garLoopResultBuilder]: At program point L420-2(lines 416 427) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-12-07 01:25:20,887 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-12-07 01:25:20,887 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 200 223) the Hoare annotation is: true [2021-12-07 01:25:20,887 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 203 222) no Hoare annotation was computed. [2021-12-07 01:25:20,887 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 200 223) no Hoare annotation was computed. [2021-12-07 01:25:20,887 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 408) no Hoare annotation was computed. [2021-12-07 01:25:20,888 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2021-12-07 01:25:20,888 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2021-12-07 01:25:20,888 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-12-07 01:25:20,888 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2021-12-07 01:25:20,888 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2021-12-07 01:25:20,888 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2021-12-07 01:25:20,888 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2021-12-07 01:25:20,889 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2021-12-07 01:25:20,889 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-07 01:25:20,889 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-12-07 01:25:20,889 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2021-12-07 01:25:20,889 INFO L854 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-12-07 01:25:20,889 INFO L854 garLoopResultBuilder]: At program point L176(lines 172 178) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-12-07 01:25:20,890 INFO L854 garLoopResultBuilder]: At program point L333(lines 321 335) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 01:25:20,890 INFO L854 garLoopResultBuilder]: At program point L395(lines 346 396) the Hoare annotation is: false [2021-12-07 01:25:20,890 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 331) no Hoare annotation was computed. [2021-12-07 01:25:20,890 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 331) no Hoare annotation was computed. [2021-12-07 01:25:20,890 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-07 01:25:20,890 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 389) no Hoare annotation was computed. [2021-12-07 01:25:20,890 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-07 01:25:20,891 INFO L854 garLoopResultBuilder]: At program point L383-2(lines 377 390) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 01:25:20,891 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-07 01:25:20,891 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 373) no Hoare annotation was computed. [2021-12-07 01:25:20,891 INFO L858 garLoopResultBuilder]: For program point L367-1(lines 367 373) no Hoare annotation was computed. [2021-12-07 01:25:20,897 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-12-07 01:25:20,897 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2021-12-07 01:25:20,897 INFO L854 garLoopResultBuilder]: At program point L169(lines 165 171) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2021-12-07 01:25:20,897 INFO L854 garLoopResultBuilder]: At program point L392(lines 347 394) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 01:25:20,898 INFO L854 garLoopResultBuilder]: At program point L359(line 359) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 01:25:20,898 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-07 01:25:20,898 INFO L861 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2021-12-07 01:25:20,898 INFO L861 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-12-07 01:25:20,898 INFO L858 garLoopResultBuilder]: For program point L348(lines 347 394) no Hoare annotation was computed. [2021-12-07 01:25:20,898 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 390) no Hoare annotation was computed. [2021-12-07 01:25:20,898 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-12-07 01:25:20,898 INFO L854 garLoopResultBuilder]: At program point L369(line 369) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-07 01:25:20,898 INFO L861 garLoopResultBuilder]: At program point L398(lines 337 402) the Hoare annotation is: true [2021-12-07 01:25:20,899 INFO L854 garLoopResultBuilder]: At program point L262(lines 257 264) the Hoare annotation is: false [2021-12-07 01:25:20,899 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2021-12-07 01:25:20,899 INFO L858 garLoopResultBuilder]: For program point L357-1(lines 357 363) no Hoare annotation was computed. [2021-12-07 01:25:20,899 INFO L858 garLoopResultBuilder]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2021-12-07 01:25:20,899 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 428 439) no Hoare annotation was computed. [2021-12-07 01:25:20,899 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 428 439) the Hoare annotation is: true [2021-12-07 01:25:20,902 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-07 01:25:20,903 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 01:25:20,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:25:20 BoogieIcfgContainer [2021-12-07 01:25:20,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 01:25:20,914 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 01:25:20,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 01:25:20,915 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 01:25:20,915 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:25:20" (3/4) ... [2021-12-07 01:25:20,917 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 01:25:20,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-07 01:25:20,921 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-07 01:25:20,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-07 01:25:20,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-07 01:25:20,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-07 01:25:20,927 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2021-12-07 01:25:20,927 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-07 01:25:20,927 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-07 01:25:20,928 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-07 01:25:20,928 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-07 01:25:20,928 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 01:25:20,928 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 01:25:20,944 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2021-12-07 01:25:20,944 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive [2021-12-07 01:25:20,946 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || \result == 0 [2021-12-07 01:25:20,960 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 01:25:20,960 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 01:25:20,961 INFO L158 Benchmark]: Toolchain (without parser) took 1625.51ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 41.3MB in the beginning and 77.5MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:25:20,961 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory was 58.6MB in the beginning and 58.5MB in the end (delta: 71.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:25:20,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.87ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 41.1MB in the beginning and 76.7MB in the end (delta: -35.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 01:25:20,962 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.92ms. Allocated memory is still 107.0MB. Free memory was 76.7MB in the beginning and 74.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:25:20,962 INFO L158 Benchmark]: Boogie Preprocessor took 26.14ms. Allocated memory is still 107.0MB. Free memory was 74.7MB in the beginning and 73.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:25:20,962 INFO L158 Benchmark]: RCFGBuilder took 296.27ms. Allocated memory is still 107.0MB. Free memory was 73.2MB in the beginning and 58.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-07 01:25:20,963 INFO L158 Benchmark]: TraceAbstraction took 852.79ms. Allocated memory is still 107.0MB. Free memory was 58.4MB in the beginning and 82.4MB in the end (delta: -24.0MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2021-12-07 01:25:20,963 INFO L158 Benchmark]: Witness Printer took 46.11ms. Allocated memory is still 107.0MB. Free memory was 82.4MB in the beginning and 77.5MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 01:25:20,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory was 58.6MB in the beginning and 58.5MB in the end (delta: 71.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.87ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 41.1MB in the beginning and 76.7MB in the end (delta: -35.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.92ms. Allocated memory is still 107.0MB. Free memory was 76.7MB in the beginning and 74.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.14ms. Allocated memory is still 107.0MB. Free memory was 74.7MB in the beginning and 73.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.27ms. Allocated memory is still 107.0MB. Free memory was 73.2MB in the beginning and 58.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 852.79ms. Allocated memory is still 107.0MB. Free memory was 58.4MB in the beginning and 82.4MB in the end (delta: -24.0MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Witness Printer took 46.11ms. Allocated memory is still 107.0MB. Free memory was 82.4MB in the beginning and 77.5MB in the end (delta: 5.0MB). 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: 408]: 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 6 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 641 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 392 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 249 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 133 PreInvPairs, 169 NumberOfFragments, 113 HoareAnnotationTreeSize, 133 FomulaSimplifications, 42 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 506 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 198 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 1 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || \result == 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(0 == systemActive) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive RESULT: Ultimate proved your program to be correct! [2021-12-07 01:25:20,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b41272ea-8838-4cbc-bc75-d34c1b7c0f41/bin/uautomizer-DrprNOufMa/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