./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af36d03ba4a1f12ddb625aab4b3f9906d028707aefb4e7150e31be2b1be8c075 --- 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-dbf71c6-m [2022-10-17 17:37:11,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:37:11,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:37:11,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:37:11,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:37:11,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:37:11,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:37:11,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:37:11,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:37:11,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:37:11,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:37:11,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:37:11,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:37:11,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:37:11,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:37:11,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:37:11,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:37:11,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:37:11,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:37:11,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:37:11,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:37:11,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:37:11,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:37:11,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:37:11,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:37:11,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:37:11,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:37:11,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:37:11,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:37:11,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:37:11,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:37:11,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:37:11,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:37:11,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:37:11,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:37:11,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:37:11,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:37:11,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:37:11,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:37:11,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:37:11,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:37:11,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-10-17 17:37:11,766 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:37:11,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:37:11,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:37:11,768 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:37:11,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:37:11,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:37:11,769 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:37:11,770 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:37:11,770 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:37:11,770 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:37:11,770 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:37:11,771 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:37:11,771 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:37:11,771 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:37:11,772 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:37:11,772 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:37:11,772 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:37:11,773 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:37:11,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:37:11,774 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:37:11,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:37:11,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:37:11,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:37:11,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:37:11,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:37:11,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:37:11,776 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:37:11,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:37:11,777 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:37:11,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:37:11,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:37:11,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:37:11,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:37:11,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:37:11,779 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:37:11,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:37:11,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:37:11,779 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:37:11,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:37:11,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:37:11,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:37:11,781 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_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af36d03ba4a1f12ddb625aab4b3f9906d028707aefb4e7150e31be2b1be8c075 [2022-10-17 17:37:12,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:37:12,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:37:12,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:37:12,111 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:37:12,112 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:37:12,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c [2022-10-17 17:37:12,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta/data/6e0ed941b/8d41a26d287b4f44beb51ce6af8769db/FLAG586b6682a [2022-10-17 17:37:12,953 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:37:12,954 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c [2022-10-17 17:37:12,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta/data/6e0ed941b/8d41a26d287b4f44beb51ce6af8769db/FLAG586b6682a [2022-10-17 17:37:13,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta/data/6e0ed941b/8d41a26d287b4f44beb51ce6af8769db [2022-10-17 17:37:13,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:37:13,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:37:13,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:37:13,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:37:13,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:37:13,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:37:13" (1/1) ... [2022-10-17 17:37:13,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41bbe191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:13, skipping insertion in model container [2022-10-17 17:37:13,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:37:13" (1/1) ... [2022-10-17 17:37:13,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:37:13,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:37:13,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c[3438,3451] [2022-10-17 17:37:13,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:37:13,702 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:37:13,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c[3438,3451] [2022-10-17 17:37:13,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:37:13,900 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:37:13,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:13 WrapperNode [2022-10-17 17:37:13,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:37:13,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:37:13,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:37:13,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:37:13,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:13" (1/1) ... [2022-10-17 17:37:13,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:13" (1/1) ... [2022-10-17 17:37:13,984 INFO L138 Inliner]: procedures = 58, calls = 161, calls flagged for inlining = 24, calls inlined = 20, statements flattened = 256 [2022-10-17 17:37:13,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:37:13,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:37:13,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:37:13,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:37:13,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:13" (1/1) ... [2022-10-17 17:37:13,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:13" (1/1) ... [2022-10-17 17:37:14,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:13" (1/1) ... [2022-10-17 17:37:14,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:13" (1/1) ... [2022-10-17 17:37:14,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:13" (1/1) ... [2022-10-17 17:37:14,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:13" (1/1) ... [2022-10-17 17:37:14,036 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:13" (1/1) ... [2022-10-17 17:37:14,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:13" (1/1) ... [2022-10-17 17:37:14,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:37:14,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:37:14,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:37:14,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:37:14,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:13" (1/1) ... [2022-10-17 17:37:14,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:37:14,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:37:14,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:37:14,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:37:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:37:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 17:37:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 17:37:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 17:37:14,153 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 17:37:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 17:37:14,153 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 17:37:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 17:37:14,154 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 17:37:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 17:37:14,154 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 17:37:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-10-17 17:37:14,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-10-17 17:37:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 17:37:14,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 17:37:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 17:37:14,155 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 17:37:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:37:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 17:37:14,155 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 17:37:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:37:14,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:37:14,238 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:37:14,240 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:37:14,829 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:37:15,048 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:37:15,049 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:37:15,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:37:15 BoogieIcfgContainer [2022-10-17 17:37:15,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:37:15,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:37:15,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:37:15,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:37:15,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:37:13" (1/3) ... [2022-10-17 17:37:15,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@460a5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:37:15, skipping insertion in model container [2022-10-17 17:37:15,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:13" (2/3) ... [2022-10-17 17:37:15,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@460a5c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:37:15, skipping insertion in model container [2022-10-17 17:37:15,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:37:15" (3/3) ... [2022-10-17 17:37:15,064 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product32.cil.c [2022-10-17 17:37:15,090 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:37:15,090 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:37:15,161 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:37:15,173 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=FINITE_AUTOMATA, 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;@2d44da8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:37:15,173 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:37:15,178 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 53 states have internal predecessors, (63), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2022-10-17 17:37:15,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:37:15,191 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:37:15,192 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:37:15,192 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:37:15,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:37:15,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1258293395, now seen corresponding path program 1 times [2022-10-17 17:37:15,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:37:15,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193011046] [2022-10-17 17:37:15,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:37:15,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:37:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:37:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:37:15,480 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:37:15,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193011046] [2022-10-17 17:37:15,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193011046] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:37:15,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:37:15,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 17:37:15,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976008572] [2022-10-17 17:37:15,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:37:15,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 17:37:15,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:37:15,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 17:37:15,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 17:37:15,529 INFO L87 Difference]: Start difference. First operand has 71 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 53 states have internal predecessors, (63), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 17:37:15,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:37:15,675 INFO L93 Difference]: Finished difference Result 140 states and 191 transitions. [2022-10-17 17:37:15,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 17:37:15,680 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-10-17 17:37:15,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:37:15,694 INFO L225 Difference]: With dead ends: 140 [2022-10-17 17:37:15,695 INFO L226 Difference]: Without dead ends: 66 [2022-10-17 17:37:15,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 17:37:15,707 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 17:37:15,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 17:37:15,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-10-17 17:37:15,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-10-17 17:37:15,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 49 states have internal predecessors, (55), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-10-17 17:37:15,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 86 transitions. [2022-10-17 17:37:15,786 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 86 transitions. Word has length 21 [2022-10-17 17:37:15,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:37:15,787 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 86 transitions. [2022-10-17 17:37:15,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 17:37:15,789 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2022-10-17 17:37:15,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:37:15,795 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:37:15,795 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:37:15,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 17:37:15,796 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:37:15,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:37:15,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1647792731, now seen corresponding path program 1 times [2022-10-17 17:37:15,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:37:15,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386948175] [2022-10-17 17:37:15,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:37:15,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:37:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:37:16,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:37:16,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:37:16,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386948175] [2022-10-17 17:37:16,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386948175] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:37:16,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:37:16,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:37:16,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501527060] [2022-10-17 17:37:16,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:37:16,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:37:16,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:37:16,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:37:16,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:37:16,055 INFO L87 Difference]: Start difference. First operand 66 states and 86 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 17:37:16,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:37:16,140 INFO L93 Difference]: Finished difference Result 104 states and 134 transitions. [2022-10-17 17:37:16,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:37:16,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-10-17 17:37:16,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:37:16,148 INFO L225 Difference]: With dead ends: 104 [2022-10-17 17:37:16,148 INFO L226 Difference]: Without dead ends: 58 [2022-10-17 17:37:16,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:37:16,151 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 14 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 17:37:16,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 106 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 17:37:16,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-10-17 17:37:16,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-10-17 17:37:16,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 44 states have internal predecessors, (49), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-10-17 17:37:16,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 75 transitions. [2022-10-17 17:37:16,176 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 75 transitions. Word has length 22 [2022-10-17 17:37:16,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:37:16,178 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 75 transitions. [2022-10-17 17:37:16,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 17:37:16,179 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-10-17 17:37:16,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:37:16,187 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:37:16,188 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:37:16,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 17:37:16,188 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:37:16,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:37:16,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1570328748, now seen corresponding path program 1 times [2022-10-17 17:37:16,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:37:16,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579503795] [2022-10-17 17:37:16,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:37:16,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:37:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:37:16,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:37:16,378 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:37:16,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579503795] [2022-10-17 17:37:16,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579503795] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:37:16,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:37:16,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:37:16,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189256437] [2022-10-17 17:37:16,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:37:16,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:37:16,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:37:16,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:37:16,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:37:16,383 INFO L87 Difference]: Start difference. First operand 58 states and 75 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 17:37:16,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:37:16,520 INFO L93 Difference]: Finished difference Result 170 states and 222 transitions. [2022-10-17 17:37:16,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:37:16,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-10-17 17:37:16,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:37:16,527 INFO L225 Difference]: With dead ends: 170 [2022-10-17 17:37:16,527 INFO L226 Difference]: Without dead ends: 114 [2022-10-17 17:37:16,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:37:16,536 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 67 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 17:37:16,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 141 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 17:37:16,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-10-17 17:37:16,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 111. [2022-10-17 17:37:16,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 83 states have internal predecessors, (93), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26) [2022-10-17 17:37:16,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 145 transitions. [2022-10-17 17:37:16,568 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 145 transitions. Word has length 25 [2022-10-17 17:37:16,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:37:16,568 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 145 transitions. [2022-10-17 17:37:16,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-17 17:37:16,569 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 145 transitions. [2022-10-17 17:37:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:37:16,571 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:37:16,571 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:37:16,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 17:37:16,571 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:37:16,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:37:16,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1611722463, now seen corresponding path program 1 times [2022-10-17 17:37:16,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:37:16,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697112234] [2022-10-17 17:37:16,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:37:16,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:37:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:37:16,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:37:16,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:37:16,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697112234] [2022-10-17 17:37:16,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697112234] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:37:16,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:37:16,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 17:37:16,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308436484] [2022-10-17 17:37:16,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:37:16,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 17:37:16,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:37:16,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 17:37:16,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 17:37:16,797 INFO L87 Difference]: Start difference. First operand 111 states and 145 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 17:37:16,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:37:16,925 INFO L93 Difference]: Finished difference Result 194 states and 253 transitions. [2022-10-17 17:37:16,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 17:37:16,926 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-10-17 17:37:16,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:37:16,927 INFO L225 Difference]: With dead ends: 194 [2022-10-17 17:37:16,927 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 17:37:16,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-17 17:37:16,930 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 30 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 17:37:16,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 120 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 17:37:16,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 17:37:16,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 17:37:16,932 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) [2022-10-17 17:37:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 17:37:16,933 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-10-17 17:37:16,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:37:16,933 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 17:37:16,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-17 17:37:16,933 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 17:37:16,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:37:16,937 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 17:37:16,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 17:37:16,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-17 17:37:17,392 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 325 332) the Hoare annotation is: true [2022-10-17 17:37:17,392 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 325 332) no Hoare annotation was computed. [2022-10-17 17:37:17,392 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 241 247) no Hoare annotation was computed. [2022-10-17 17:37:17,393 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 241 247) the Hoare annotation is: true [2022-10-17 17:37:17,393 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 943 954) the Hoare annotation is: true [2022-10-17 17:37:17,393 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 943 954) no Hoare annotation was computed. [2022-10-17 17:37:17,394 INFO L899 garLoopResultBuilder]: For program point L221-2(lines 217 239) no Hoare annotation was computed. [2022-10-17 17:37:17,394 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 291) no Hoare annotation was computed. [2022-10-17 17:37:17,394 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 296) no Hoare annotation was computed. [2022-10-17 17:37:17,394 INFO L895 garLoopResultBuilder]: At program point L531(line 531) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:37:17,395 INFO L899 garLoopResultBuilder]: For program point L531-1(line 531) no Hoare annotation was computed. [2022-10-17 17:37:17,396 INFO L895 garLoopResultBuilder]: At program point L516(line 516) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:37:17,400 INFO L895 garLoopResultBuilder]: At program point L516-1(line 516) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:37:17,400 INFO L895 garLoopResultBuilder]: At program point L289(line 289) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-10-17 17:37:17,402 INFO L895 garLoopResultBuilder]: At program point L285(line 285) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-10-17 17:37:17,402 INFO L895 garLoopResultBuilder]: At program point L281(line 281) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-10-17 17:37:17,403 INFO L899 garLoopResultBuilder]: For program point L281-1(line 281) no Hoare annotation was computed. [2022-10-17 17:37:17,403 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 543) no Hoare annotation was computed. [2022-10-17 17:37:17,403 INFO L899 garLoopResultBuilder]: For program point L529(lines 529 546) no Hoare annotation was computed. [2022-10-17 17:37:17,403 INFO L895 garLoopResultBuilder]: At program point L529-1(lines 521 549) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:37:17,403 INFO L895 garLoopResultBuilder]: At program point L294(line 294) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:37:17,404 INFO L895 garLoopResultBuilder]: At program point L294-1(lines 275 299) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:37:17,406 INFO L895 garLoopResultBuilder]: At program point L228-1(lines 228 234) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:37:17,407 INFO L895 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-10-17 17:37:17,408 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 540) no Hoare annotation was computed. [2022-10-17 17:37:17,408 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 214 240) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:37:17,408 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 214 240) no Hoare annotation was computed. [2022-10-17 17:37:17,408 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 195) no Hoare annotation was computed. [2022-10-17 17:37:17,410 INFO L902 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: true [2022-10-17 17:37:17,410 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 90 119) no Hoare annotation was computed. [2022-10-17 17:37:17,410 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2022-10-17 17:37:17,410 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 90 119) the Hoare annotation is: true [2022-10-17 17:37:17,410 INFO L902 garLoopResultBuilder]: At program point L115(lines 90 119) the Hoare annotation is: true [2022-10-17 17:37:17,410 INFO L899 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-10-17 17:37:17,411 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2022-10-17 17:37:17,411 INFO L902 garLoopResultBuilder]: At program point L104-1(lines 104 108) the Hoare annotation is: true [2022-10-17 17:37:17,411 INFO L902 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: true [2022-10-17 17:37:17,411 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-10-17 17:37:17,411 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 418) no Hoare annotation was computed. [2022-10-17 17:37:17,412 INFO L895 garLoopResultBuilder]: At program point L412-1(lines 412 418) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 17:37:17,412 INFO L895 garLoopResultBuilder]: At program point L177(lines 177 184) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-10-17 17:37:17,412 INFO L902 garLoopResultBuilder]: At program point L495(lines 432 499) the Hoare annotation is: true [2022-10-17 17:37:17,412 INFO L902 garLoopResultBuilder]: At program point L177-2(lines 177 184) the Hoare annotation is: true [2022-10-17 17:37:17,412 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 468) no Hoare annotation was computed. [2022-10-17 17:37:17,413 INFO L899 garLoopResultBuilder]: For program point L462-1(lines 462 468) no Hoare annotation was computed. [2022-10-17 17:37:17,413 INFO L895 garLoopResultBuilder]: At program point L454(line 454) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 17:37:17,413 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-17 17:37:17,413 INFO L895 garLoopResultBuilder]: At program point L492(lines 441 493) the Hoare annotation is: false [2022-10-17 17:37:17,413 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 486) no Hoare annotation was computed. [2022-10-17 17:37:17,414 INFO L895 garLoopResultBuilder]: At program point L414(line 414) the Hoare annotation is: false [2022-10-17 17:37:17,414 INFO L895 garLoopResultBuilder]: At program point L480-2(lines 472 487) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 17:37:17,414 INFO L899 garLoopResultBuilder]: For program point L443(lines 442 491) no Hoare annotation was computed. [2022-10-17 17:37:17,414 INFO L895 garLoopResultBuilder]: At program point L472(lines 472 487) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 17:37:17,414 INFO L895 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 17:37:17,415 INFO L895 garLoopResultBuilder]: At program point L489(lines 442 491) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-10-17 17:37:17,415 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 458) no Hoare annotation was computed. [2022-10-17 17:37:17,415 INFO L899 garLoopResultBuilder]: For program point L452-1(lines 452 458) no Hoare annotation was computed. [2022-10-17 17:37:17,415 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 931 942) no Hoare annotation was computed. [2022-10-17 17:37:17,416 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 931 942) the Hoare annotation is: true [2022-10-17 17:37:17,416 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-10-17 17:37:17,416 INFO L895 garLoopResultBuilder]: At program point L259(line 259) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-10-17 17:37:17,417 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 265) no Hoare annotation was computed. [2022-10-17 17:37:17,417 INFO L895 garLoopResultBuilder]: At program point L253(lines 253 270) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:37:17,417 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 249 273) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:37:17,418 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-10-17 17:37:17,418 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 249 273) no Hoare annotation was computed. [2022-10-17 17:37:17,420 INFO L899 garLoopResultBuilder]: For program point L268-1(lines 249 273) no Hoare annotation was computed. [2022-10-17 17:37:17,420 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 344 352) no Hoare annotation was computed. [2022-10-17 17:37:17,420 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 344 352) the Hoare annotation is: true [2022-10-17 17:37:17,420 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 333 343) the Hoare annotation is: true [2022-10-17 17:37:17,421 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 333 343) no Hoare annotation was computed. [2022-10-17 17:37:17,427 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-10-17 17:37:17,430 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 17:37:17,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 05:37:17 BoogieIcfgContainer [2022-10-17 17:37:17,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 17:37:17,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:37:17,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:37:17,460 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:37:17,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:37:15" (3/4) ... [2022-10-17 17:37:17,464 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:37:17,470 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-10-17 17:37:17,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 17:37:17,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 17:37:17,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 17:37:17,471 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 17:37:17,472 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 17:37:17,472 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-10-17 17:37:17,473 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-10-17 17:37:17,473 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-10-17 17:37:17,495 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 76 nodes and edges [2022-10-17 17:37:17,496 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-10-17 17:37:17,497 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 17:37:17,498 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 17:37:17,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 17:37:17,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:37:17,500 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:37:17,536 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-10-17 17:37:17,538 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-10-17 17:37:17,540 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-10-17 17:37:17,540 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-10-17 17:37:17,541 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-10-17 17:37:17,541 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-10-17 17:37:17,605 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta/witness.graphml [2022-10-17 17:37:17,605 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:37:17,607 INFO L158 Benchmark]: Toolchain (without parser) took 4400.54ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 57.0MB in the beginning and 48.9MB in the end (delta: 8.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-10-17 17:37:17,608 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 62.9MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:37:17,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.07ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 59.6MB in the end (delta: -2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:37:17,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.02ms. Allocated memory is still 92.3MB. Free memory was 59.6MB in the beginning and 57.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:37:17,612 INFO L158 Benchmark]: Boogie Preprocessor took 75.01ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 55.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:37:17,613 INFO L158 Benchmark]: RCFGBuilder took 990.57ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 55.4MB in the beginning and 83.1MB in the end (delta: -27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-10-17 17:37:17,614 INFO L158 Benchmark]: TraceAbstraction took 2403.26ms. Allocated memory is still 115.3MB. Free memory was 82.1MB in the beginning and 54.0MB in the end (delta: 28.1MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2022-10-17 17:37:17,615 INFO L158 Benchmark]: Witness Printer took 145.53ms. Allocated memory is still 115.3MB. Free memory was 54.0MB in the beginning and 48.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:37:17,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 62.9MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.07ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 59.6MB in the end (delta: -2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.02ms. Allocated memory is still 92.3MB. Free memory was 59.6MB in the beginning and 57.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.01ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 55.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 990.57ms. Allocated memory was 92.3MB in the beginning and 115.3MB in the end (delta: 23.1MB). Free memory was 55.4MB in the beginning and 83.1MB in the end (delta: -27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2403.26ms. Allocated memory is still 115.3MB. Free memory was 82.1MB in the beginning and 54.0MB in the end (delta: 28.1MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Witness Printer took 145.53ms. Allocated memory is still 115.3MB. Free memory was 54.0MB in the beginning and 48.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. 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: 195]: 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 10 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 442 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 236 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150 IncrementalHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 252 mSDtfsCounter, 150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 259 PreInvPairs, 283 NumberOfFragments, 177 HoareAnnotationTreeSize, 259 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 372 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 472]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-10-17 17:37:17,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aca5b877-8860-4954-88d3-2ba95b3b1b7f/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE