./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8 --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 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:13:12,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:13:12,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:13:12,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:13:12,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:13:12,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:13:12,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:13:12,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:13:12,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:13:12,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:13:12,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:13:12,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:13:12,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:13:12,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:13:12,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:13:12,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:13:12,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:13:12,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:13:12,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:13:12,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:13:12,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:13:12,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:13:12,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:13:12,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:13:12,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:13:12,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:13:12,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:13:12,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:13:12,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:13:12,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:13:12,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:13:12,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:13:12,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:13:12,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:13:12,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:13:12,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:13:12,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:13:12,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:13:12,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:13:12,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:13:12,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:13:12,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:13:12,612 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:13:12,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:13:12,613 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:13:12,613 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:13:12,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:13:12,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:13:12,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:13:12,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:13:12,615 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:13:12,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:13:12,617 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:13:12,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:13:12,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:13:12,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:13:12,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:13:12,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:13:12,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:13:12,618 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:13:12,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:13:12,618 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:13:12,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:13:12,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:13:12,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:13:12,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:13:12,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:13:12,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:13:12,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:13:12,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:13:12,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:13:12,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:13:12,621 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:13:12,621 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:13:12,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:13:12,621 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_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88ff815406ee05bb7be24dfe33a6433686b8428d0ee44eba6801f1c0f5610c0a [2022-11-16 11:13:12,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:13:12,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:13:13,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:13:13,004 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:13:13,005 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:13:13,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2022-11-16 11:13:13,080 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8/data/f7af1b44b/3c75f0b7f10a49bc9960cea57b1c971e/FLAG9fc8482b2 [2022-11-16 11:13:13,736 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:13:13,737 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2022-11-16 11:13:13,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8/data/f7af1b44b/3c75f0b7f10a49bc9960cea57b1c971e/FLAG9fc8482b2 [2022-11-16 11:13:14,002 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8/data/f7af1b44b/3c75f0b7f10a49bc9960cea57b1c971e [2022-11-16 11:13:14,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:13:14,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:13:14,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:13:14,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:13:14,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:13:14,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:13:14" (1/1) ... [2022-11-16 11:13:14,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a23ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:14, skipping insertion in model container [2022-11-16 11:13:14,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:13:14" (1/1) ... [2022-11-16 11:13:14,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:13:14,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:13:14,375 WARN L229 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_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14660,14673] [2022-11-16 11:13:14,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:13:14,409 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:13:14,514 WARN L229 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_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c[14660,14673] [2022-11-16 11:13:14,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:13:14,560 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:13:14,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:14 WrapperNode [2022-11-16 11:13:14,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:13:14,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:13:14,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:13:14,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:13:14,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:14" (1/1) ... [2022-11-16 11:13:14,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:14" (1/1) ... [2022-11-16 11:13:14,643 INFO L138 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 239 [2022-11-16 11:13:14,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:13:14,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:13:14,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:13:14,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:13:14,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:14" (1/1) ... [2022-11-16 11:13:14,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:14" (1/1) ... [2022-11-16 11:13:14,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:14" (1/1) ... [2022-11-16 11:13:14,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:14" (1/1) ... [2022-11-16 11:13:14,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:14" (1/1) ... [2022-11-16 11:13:14,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:14" (1/1) ... [2022-11-16 11:13:14,701 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:14" (1/1) ... [2022-11-16 11:13:14,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:14" (1/1) ... [2022-11-16 11:13:14,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:13:14,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:13:14,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:13:14,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:13:14,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:14" (1/1) ... [2022-11-16 11:13:14,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:13:14,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:13:14,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:13:14,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:13:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:13:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 11:13:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 11:13:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 11:13:14,793 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 11:13:14,794 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 11:13:14,794 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 11:13:14,794 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-16 11:13:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-16 11:13:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 11:13:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 11:13:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-16 11:13:14,795 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-16 11:13:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 11:13:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 11:13:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:13:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 11:13:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 11:13:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:13:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:13:14,917 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:13:14,919 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:13:15,298 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:13:15,306 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:13:15,306 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:13:15,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:13:15 BoogieIcfgContainer [2022-11-16 11:13:15,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:13:15,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:13:15,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:13:15,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:13:15,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:13:14" (1/3) ... [2022-11-16 11:13:15,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8baa51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:13:15, skipping insertion in model container [2022-11-16 11:13:15,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:13:14" (2/3) ... [2022-11-16 11:13:15,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b8baa51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:13:15, skipping insertion in model container [2022-11-16 11:13:15,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:13:15" (3/3) ... [2022-11-16 11:13:15,320 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product21.cil.c [2022-11-16 11:13:15,342 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:13:15,343 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:13:15,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:13:15,426 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@26b08d95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:13:15,426 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:13:15,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 73 states have internal predecessors, (90), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-16 11:13:15,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 11:13:15,456 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:13:15,457 INFO L195 NwaCegarLoop]: 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] [2022-11-16 11:13:15,458 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:13:15,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:13:15,467 INFO L85 PathProgramCache]: Analyzing trace with hash -2128651020, now seen corresponding path program 1 times [2022-11-16 11:13:15,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:13:15,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850934840] [2022-11-16 11:13:15,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:13:15,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:13:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:15,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 11:13:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:15,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:13:15,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:13:15,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850934840] [2022-11-16 11:13:15,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850934840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:13:15,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:13:15,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:13:15,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467524431] [2022-11-16 11:13:15,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:13:15,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:13:15,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:13:15,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:13:15,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:13:15,843 INFO L87 Difference]: Start difference. First operand has 89 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 73 states have internal predecessors, (90), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-11-16 11:13:15,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:13:15,887 INFO L93 Difference]: Finished difference Result 169 states and 230 transitions. [2022-11-16 11:13:15,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:13:15,890 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2022-11-16 11:13:15,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:13:15,910 INFO L225 Difference]: With dead ends: 169 [2022-11-16 11:13:15,910 INFO L226 Difference]: Without dead ends: 80 [2022-11-16 11:13:15,916 INFO L412 NwaCegarLoop]: 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 [2022-11-16 11:13:15,920 INFO L413 NwaCegarLoop]: 112 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, 112 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 [2022-11-16 11:13:15,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:13:15,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-16 11:13:15,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-11-16 11:13:15,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 65 states have internal predecessors, (76), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-16 11:13:15,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2022-11-16 11:13:15,995 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 25 [2022-11-16 11:13:15,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:13:15,996 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2022-11-16 11:13:15,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-11-16 11:13:15,997 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-11-16 11:13:16,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 11:13:16,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:13:16,014 INFO L195 NwaCegarLoop]: 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] [2022-11-16 11:13:16,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:13:16,015 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:13:16,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:13:16,016 INFO L85 PathProgramCache]: Analyzing trace with hash 614360394, now seen corresponding path program 1 times [2022-11-16 11:13:16,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:13:16,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112982515] [2022-11-16 11:13:16,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:13:16,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:13:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:16,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:13:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:13:16,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:13:16,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112982515] [2022-11-16 11:13:16,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112982515] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:13:16,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:13:16,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:13:16,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119115209] [2022-11-16 11:13:16,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:13:16,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:13:16,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:13:16,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:13:16,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:13:16,224 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-16 11:13:16,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:13:16,250 INFO L93 Difference]: Finished difference Result 125 states and 161 transitions. [2022-11-16 11:13:16,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:13:16,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2022-11-16 11:13:16,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:13:16,254 INFO L225 Difference]: With dead ends: 125 [2022-11-16 11:13:16,255 INFO L226 Difference]: Without dead ends: 71 [2022-11-16 11:13:16,256 INFO L412 NwaCegarLoop]: 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 [2022-11-16 11:13:16,259 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 12 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 164 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 [2022-11-16 11:13:16,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 164 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:13:16,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-16 11:13:16,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-11-16 11:13:16,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 59 states have internal predecessors, (69), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-16 11:13:16,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2022-11-16 11:13:16,268 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 26 [2022-11-16 11:13:16,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:13:16,268 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2022-11-16 11:13:16,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-16 11:13:16,269 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2022-11-16 11:13:16,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 11:13:16,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:13:16,270 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:13:16,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:13:16,271 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:13:16,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:13:16,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1537131250, now seen corresponding path program 1 times [2022-11-16 11:13:16,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:13:16,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846918869] [2022-11-16 11:13:16,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:13:16,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:13:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:16,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:13:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:16,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:13:16,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:13:16,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846918869] [2022-11-16 11:13:16,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846918869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:13:16,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:13:16,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:13:16,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831031266] [2022-11-16 11:13:16,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:13:16,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:13:16,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:13:16,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:13:16,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:13:16,489 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2022-11-16 11:13:16,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:13:16,638 INFO L93 Difference]: Finished difference Result 134 states and 175 transitions. [2022-11-16 11:13:16,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:13:16,639 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 30 [2022-11-16 11:13:16,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:13:16,641 INFO L225 Difference]: With dead ends: 134 [2022-11-16 11:13:16,641 INFO L226 Difference]: Without dead ends: 71 [2022-11-16 11:13:16,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:13:16,642 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 119 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:13:16,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 180 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:13:16,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-16 11:13:16,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-11-16 11:13:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 59 states have internal predecessors, (68), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-16 11:13:16,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-11-16 11:13:16,655 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 30 [2022-11-16 11:13:16,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:13:16,656 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-11-16 11:13:16,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2022-11-16 11:13:16,656 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-11-16 11:13:16,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 11:13:16,657 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:13:16,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:13:16,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:13:16,658 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:13:16,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:13:16,659 INFO L85 PathProgramCache]: Analyzing trace with hash 983416923, now seen corresponding path program 1 times [2022-11-16 11:13:16,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:13:16,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599577790] [2022-11-16 11:13:16,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:13:16,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:13:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:16,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:13:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:16,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:13:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:16,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 11:13:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:16,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:13:16,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:13:16,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599577790] [2022-11-16 11:13:16,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599577790] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:13:16,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:13:16,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:13:16,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270609112] [2022-11-16 11:13:16,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:13:16,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:13:16,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:13:16,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:13:16,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:13:16,838 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:13:17,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:13:17,253 INFO L93 Difference]: Finished difference Result 223 states and 289 transitions. [2022-11-16 11:13:17,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 11:13:17,254 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2022-11-16 11:13:17,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:13:17,264 INFO L225 Difference]: With dead ends: 223 [2022-11-16 11:13:17,264 INFO L226 Difference]: Without dead ends: 160 [2022-11-16 11:13:17,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-16 11:13:17,267 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 142 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:13:17,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 341 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:13:17,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-16 11:13:17,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 129. [2022-11-16 11:13:17,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 92 states have (on average 1.3043478260869565) internal successors, (120), 105 states have internal predecessors, (120), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (23), 14 states have call predecessors, (23), 22 states have call successors, (23) [2022-11-16 11:13:17,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 165 transitions. [2022-11-16 11:13:17,312 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 165 transitions. Word has length 40 [2022-11-16 11:13:17,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:13:17,313 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 165 transitions. [2022-11-16 11:13:17,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:13:17,314 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 165 transitions. [2022-11-16 11:13:17,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-16 11:13:17,322 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:13:17,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:13:17,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:13:17,323 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:13:17,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:13:17,324 INFO L85 PathProgramCache]: Analyzing trace with hash 635826711, now seen corresponding path program 1 times [2022-11-16 11:13:17,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:13:17,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939969876] [2022-11-16 11:13:17,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:13:17,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:13:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:17,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:13:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:17,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 11:13:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:17,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:13:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:13:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:17,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:13:17,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:13:17,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939969876] [2022-11-16 11:13:17,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939969876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:13:17,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:13:17,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:13:17,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221245436] [2022-11-16 11:13:17,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:13:17,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:13:17,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:13:17,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:13:17,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:13:17,593 INFO L87 Difference]: Start difference. First operand 129 states and 165 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-16 11:13:17,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:13:17,789 INFO L93 Difference]: Finished difference Result 214 states and 274 transitions. [2022-11-16 11:13:17,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:13:17,790 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2022-11-16 11:13:17,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:13:17,791 INFO L225 Difference]: With dead ends: 214 [2022-11-16 11:13:17,791 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:13:17,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:13:17,793 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 75 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:13:17,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 112 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:13:17,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:13:17,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:13:17,795 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) [2022-11-16 11:13:17,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:13:17,796 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2022-11-16 11:13:17,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:13:17,796 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:13:17,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-16 11:13:17,797 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:13:17,797 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:13:17,799 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:13:17,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:13:17,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:13:18,461 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 796 803) the Hoare annotation is: true [2022-11-16 11:13:18,462 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 796 803) no Hoare annotation was computed. [2022-11-16 11:13:18,462 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 796 803) no Hoare annotation was computed. [2022-11-16 11:13:18,462 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 729 735) no Hoare annotation was computed. [2022-11-16 11:13:18,462 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 729 735) the Hoare annotation is: true [2022-11-16 11:13:18,463 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-11-16 11:13:18,463 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2022-11-16 11:13:18,463 INFO L899 garLoopResultBuilder]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2022-11-16 11:13:18,463 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 450) no Hoare annotation was computed. [2022-11-16 11:13:18,463 INFO L899 garLoopResultBuilder]: For program point L436(lines 436 453) no Hoare annotation was computed. [2022-11-16 11:13:18,463 INFO L895 garLoopResultBuilder]: At program point L820(lines 815 823) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-11-16 11:13:18,464 INFO L895 garLoopResultBuilder]: At program point L436-1(lines 428 456) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~3#1| 0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-11-16 11:13:18,464 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 705 728) no Hoare annotation was computed. [2022-11-16 11:13:18,464 INFO L899 garLoopResultBuilder]: For program point L709-1(lines 708 727) no Hoare annotation was computed. [2022-11-16 11:13:18,464 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 779) no Hoare annotation was computed. [2022-11-16 11:13:18,464 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 784) no Hoare annotation was computed. [2022-11-16 11:13:18,464 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 577) no Hoare annotation was computed. [2022-11-16 11:13:18,465 INFO L895 garLoopResultBuilder]: At program point L573-2(lines 569 580) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 11:13:18,465 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 447) no Hoare annotation was computed. [2022-11-16 11:13:18,465 INFO L899 garLoopResultBuilder]: For program point L660(line 660) no Hoare annotation was computed. [2022-11-16 11:13:18,465 INFO L895 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 11:13:18,465 INFO L899 garLoopResultBuilder]: For program point L809-1(line 809) no Hoare annotation was computed. [2022-11-16 11:13:18,466 INFO L895 garLoopResultBuilder]: At program point L661(lines 656 663) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 11:13:18,466 INFO L895 garLoopResultBuilder]: At program point L434(line 434) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-16 11:13:18,466 INFO L899 garLoopResultBuilder]: For program point L434-1(line 434) no Hoare annotation was computed. [2022-11-16 11:13:18,466 INFO L895 garLoopResultBuilder]: At program point L777(line 777) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 11:13:18,466 INFO L895 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 11:13:18,467 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 705 728) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-16 11:13:18,467 INFO L895 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-16 11:13:18,467 INFO L895 garLoopResultBuilder]: At program point L782-1(lines 763 787) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-16 11:13:18,467 INFO L895 garLoopResultBuilder]: At program point L811(lines 804 814) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 11:13:18,468 INFO L899 garLoopResultBuilder]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2022-11-16 11:13:18,468 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 705 728) no Hoare annotation was computed. [2022-11-16 11:13:18,469 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 660) no Hoare annotation was computed. [2022-11-16 11:13:18,469 INFO L899 garLoopResultBuilder]: For program point L481(line 481) no Hoare annotation was computed. [2022-11-16 11:13:18,469 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 460 489) no Hoare annotation was computed. [2022-11-16 11:13:18,469 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 460 489) the Hoare annotation is: true [2022-11-16 11:13:18,469 INFO L899 garLoopResultBuilder]: For program point L474(lines 474 478) no Hoare annotation was computed. [2022-11-16 11:13:18,470 INFO L902 garLoopResultBuilder]: At program point L474-1(lines 474 478) the Hoare annotation is: true [2022-11-16 11:13:18,470 INFO L899 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-11-16 11:13:18,470 INFO L902 garLoopResultBuilder]: At program point L470-2(lines 470 484) the Hoare annotation is: true [2022-11-16 11:13:18,470 INFO L902 garLoopResultBuilder]: At program point L466(line 466) the Hoare annotation is: true [2022-11-16 11:13:18,471 INFO L899 garLoopResultBuilder]: For program point L466-1(line 466) no Hoare annotation was computed. [2022-11-16 11:13:18,471 INFO L902 garLoopResultBuilder]: At program point L485(lines 460 489) the Hoare annotation is: true [2022-11-16 11:13:18,471 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2022-11-16 11:13:18,471 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2022-11-16 11:13:18,471 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2022-11-16 11:13:18,472 INFO L895 garLoopResultBuilder]: At program point L680(lines 676 682) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 11:13:18,472 INFO L895 garLoopResultBuilder]: At program point L936(lines 889 937) the Hoare annotation is: false [2022-11-16 11:13:18,472 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:13:18,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:13:18,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:13:18,473 INFO L899 garLoopResultBuilder]: For program point L891(lines 890 935) no Hoare annotation was computed. [2022-11-16 11:13:18,473 INFO L899 garLoopResultBuilder]: For program point L920(lines 920 931) no Hoare annotation was computed. [2022-11-16 11:13:18,473 INFO L895 garLoopResultBuilder]: At program point L912(line 912) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2022-11-16 11:13:18,474 INFO L895 garLoopResultBuilder]: At program point L425(lines 420 427) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2022-11-16 11:13:18,474 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 556) no Hoare annotation was computed. [2022-11-16 11:13:18,474 INFO L895 garLoopResultBuilder]: At program point L933(lines 890 935) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2022-11-16 11:13:18,474 INFO L899 garLoopResultBuilder]: For program point L900(lines 900 906) no Hoare annotation was computed. [2022-11-16 11:13:18,474 INFO L899 garLoopResultBuilder]: For program point L900-1(lines 900 906) no Hoare annotation was computed. [2022-11-16 11:13:18,475 INFO L899 garLoopResultBuilder]: For program point L549-2(lines 549 556) no Hoare annotation was computed. [2022-11-16 11:13:18,475 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:13:18,475 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 896) no Hoare annotation was computed. [2022-11-16 11:13:18,475 INFO L902 garLoopResultBuilder]: At program point L533(lines 525 535) the Hoare annotation is: true [2022-11-16 11:13:18,476 INFO L902 garLoopResultBuilder]: At program point L558(lines 539 561) the Hoare annotation is: true [2022-11-16 11:13:18,476 INFO L895 garLoopResultBuilder]: At program point L521(lines 517 523) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2022-11-16 11:13:18,476 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 930) no Hoare annotation was computed. [2022-11-16 11:13:18,476 INFO L895 garLoopResultBuilder]: At program point L926-2(lines 920 931) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2022-11-16 11:13:18,477 INFO L895 garLoopResultBuilder]: At program point L695(lines 690 698) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-16 11:13:18,477 INFO L895 garLoopResultBuilder]: At program point L687(lines 683 689) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 11:13:18,477 INFO L899 garLoopResultBuilder]: For program point L910(lines 910 916) no Hoare annotation was computed. [2022-11-16 11:13:18,478 INFO L899 garLoopResultBuilder]: For program point L910-1(lines 910 916) no Hoare annotation was computed. [2022-11-16 11:13:18,478 INFO L902 garLoopResultBuilder]: At program point L939(lines 880 943) the Hoare annotation is: true [2022-11-16 11:13:18,479 INFO L895 garLoopResultBuilder]: At program point L902(line 902) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)) [2022-11-16 11:13:18,479 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2022-11-16 11:13:18,479 INFO L899 garLoopResultBuilder]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2022-11-16 11:13:18,479 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: true [2022-11-16 11:13:18,479 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 737 761) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-16 11:13:18,480 INFO L895 garLoopResultBuilder]: At program point L756(line 756) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-16 11:13:18,481 INFO L899 garLoopResultBuilder]: For program point L756-1(lines 737 761) no Hoare annotation was computed. [2022-11-16 11:13:18,482 INFO L895 garLoopResultBuilder]: At program point L651(lines 646 654) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 11:13:18,482 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 737 761) no Hoare annotation was computed. [2022-11-16 11:13:18,484 INFO L895 garLoopResultBuilder]: At program point L751(line 751) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 11:13:18,484 INFO L895 garLoopResultBuilder]: At program point L875(lines 860 878) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 11:13:18,485 INFO L895 garLoopResultBuilder]: At program point L747(line 747) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 11:13:18,485 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 753) no Hoare annotation was computed. [2022-11-16 11:13:18,490 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 758) no Hoare annotation was computed. [2022-11-16 11:13:18,490 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 873) no Hoare annotation was computed. [2022-11-16 11:13:18,490 INFO L899 garLoopResultBuilder]: For program point L869-2(lines 869 873) no Hoare annotation was computed. [2022-11-16 11:13:18,494 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 11:13:18,497 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:13:18,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:13:18 BoogieIcfgContainer [2022-11-16 11:13:18,540 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:13:18,541 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:13:18,541 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:13:18,542 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:13:18,542 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:13:15" (3/4) ... [2022-11-16 11:13:18,545 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:13:18,554 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 11:13:18,555 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 11:13:18,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 11:13:18,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 11:13:18,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 11:13:18,556 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-16 11:13:18,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 11:13:18,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-11-16 11:13:18,571 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-11-16 11:13:18,572 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 11:13:18,572 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 11:13:18,573 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:13:18,573 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:13:18,574 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:13:18,574 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:13:18,602 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-11-16 11:13:18,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-11-16 11:13:18,604 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-11-16 11:13:18,605 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive [2022-11-16 11:13:18,606 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-16 11:13:18,607 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-11-16 11:13:18,609 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || tmp == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2022-11-16 11:13:18,609 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-16 11:13:18,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-11-16 11:13:18,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-16 11:13:18,610 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-16 11:13:18,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-16 11:13:18,654 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:13:18,654 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:13:18,655 INFO L158 Benchmark]: Toolchain (without parser) took 4648.80ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 101.4MB in the beginning and 122.3MB in the end (delta: -20.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-11-16 11:13:18,656 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:13:18,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.79ms. Allocated memory is still 138.4MB. Free memory was 101.2MB in the beginning and 105.8MB in the end (delta: -4.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:13:18,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.75ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 103.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:13:18,657 INFO L158 Benchmark]: Boogie Preprocessor took 60.10ms. Allocated memory is still 138.4MB. Free memory was 103.3MB in the beginning and 101.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:13:18,658 INFO L158 Benchmark]: RCFGBuilder took 603.51ms. Allocated memory is still 138.4MB. Free memory was 101.2MB in the beginning and 82.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 11:13:18,658 INFO L158 Benchmark]: TraceAbstraction took 3229.29ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 81.9MB in the beginning and 127.5MB in the end (delta: -45.6MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2022-11-16 11:13:18,659 INFO L158 Benchmark]: Witness Printer took 113.42ms. Allocated memory is still 169.9MB. Free memory was 127.5MB in the beginning and 122.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:13:18,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 118.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.79ms. Allocated memory is still 138.4MB. Free memory was 101.2MB in the beginning and 105.8MB in the end (delta: -4.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.75ms. Allocated memory is still 138.4MB. Free memory was 105.6MB in the beginning and 103.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.10ms. Allocated memory is still 138.4MB. Free memory was 103.3MB in the beginning and 101.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 603.51ms. Allocated memory is still 138.4MB. Free memory was 101.2MB in the beginning and 82.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3229.29ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 81.9MB in the beginning and 127.5MB in the end (delta: -45.6MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Witness Printer took 113.42ms. Allocated memory is still 169.9MB. Free memory was 127.5MB in the beginning and 122.3MB in the end (delta: 5.2MB). 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: 660]: 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, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 360 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 348 mSDsluCounter, 909 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 528 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 368 IncrementalHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 381 mSDtfsCounter, 368 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=4, InterpolantAutomatonStates: 30, 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, 5 MinimizatonAttempts, 31 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 293 PreInvPairs, 315 NumberOfFragments, 375 HoareAnnotationTreeSize, 293 FomulaSimplifications, 74 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 41 FomulaSimplificationsInter, 656 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 335 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || tmp == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-16 11:13:18,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3fbfa50-460b-41bd-8d56-f3c77aa38cbe/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE