./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9 --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 f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 --- 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-6b4ec56 [2022-11-20 19:44:36,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:44:36,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:44:36,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:44:36,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:44:36,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:44:36,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:44:36,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:44:36,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:44:36,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:44:36,595 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:44:36,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:44:36,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:44:36,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:44:36,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:44:36,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:44:36,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:44:36,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:44:36,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:44:36,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:44:36,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:44:36,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:44:36,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:44:36,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:44:36,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:44:36,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:44:36,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:44:36,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:44:36,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:44:36,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:44:36,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:44:36,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:44:36,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:44:36,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:44:36,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:44:36,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:44:36,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:44:36,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:44:36,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:44:36,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:44:36,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:44:36,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 19:44:36,678 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:44:36,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:44:36,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:44:36,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:44:36,680 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:44:36,680 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:44:36,680 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:44:36,681 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:44:36,681 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:44:36,681 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:44:36,682 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:44:36,682 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:44:36,683 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:44:36,683 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:44:36,683 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:44:36,683 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:44:36,684 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:44:36,684 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:44:36,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:44:36,685 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:44:36,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:44:36,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:44:36,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:44:36,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:44:36,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:44:36,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:44:36,688 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:44:36,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:44:36,688 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:44:36,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:44:36,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:44:36,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:44:36,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:44:36,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:44:36,690 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:44:36,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:44:36,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:44:36,691 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:44:36,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:44:36,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:44:36,691 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:44:36,692 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_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 [2022-11-20 19:44:37,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:44:37,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:44:37,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:44:37,054 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:44:37,055 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:44:37,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2022-11-20 19:44:40,063 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:44:40,278 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:44:40,279 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2022-11-20 19:44:40,288 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9/data/1e07d8fab/1d509c788f754c54918c513f86948e4a/FLAG10478746b [2022-11-20 19:44:40,302 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9/data/1e07d8fab/1d509c788f754c54918c513f86948e4a [2022-11-20 19:44:40,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:44:40,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:44:40,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:44:40,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:44:40,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:44:40,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:44:40" (1/1) ... [2022-11-20 19:44:40,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9a877e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:40, skipping insertion in model container [2022-11-20 19:44:40,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:44:40" (1/1) ... [2022-11-20 19:44:40,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:44:40,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:44:40,626 WARN L237 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_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c[14361,14374] [2022-11-20 19:44:40,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:44:40,678 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:44:40,735 WARN L237 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_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c[14361,14374] [2022-11-20 19:44:40,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:44:40,786 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:44:40,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:40 WrapperNode [2022-11-20 19:44:40,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:44:40,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:44:40,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:44:40,788 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:44:40,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:40" (1/1) ... [2022-11-20 19:44:40,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:40" (1/1) ... [2022-11-20 19:44:40,848 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 169 [2022-11-20 19:44:40,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:44:40,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:44:40,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:44:40,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:44:40,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:40" (1/1) ... [2022-11-20 19:44:40,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:40" (1/1) ... [2022-11-20 19:44:40,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:40" (1/1) ... [2022-11-20 19:44:40,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:40" (1/1) ... [2022-11-20 19:44:40,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:40" (1/1) ... [2022-11-20 19:44:40,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:40" (1/1) ... [2022-11-20 19:44:40,872 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:40" (1/1) ... [2022-11-20 19:44:40,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:40" (1/1) ... [2022-11-20 19:44:40,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:44:40,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:44:40,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:44:40,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:44:40,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:40" (1/1) ... [2022-11-20 19:44:40,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:44:40,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:44:40,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:44:40,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:44:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:44:40,982 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 19:44:40,982 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 19:44:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-20 19:44:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-20 19:44:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 19:44:40,983 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 19:44:40,983 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 19:44:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 19:44:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 19:44:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 19:44:40,984 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-20 19:44:40,984 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-20 19:44:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-20 19:44:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-20 19:44:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-20 19:44:40,985 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-20 19:44:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 19:44:40,985 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 19:44:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 19:44:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:44:40,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:44:41,059 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:44:41,062 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:44:41,357 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:44:41,576 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:44:41,577 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 19:44:41,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:44:41 BoogieIcfgContainer [2022-11-20 19:44:41,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:44:41,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:44:41,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:44:41,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:44:41,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:44:40" (1/3) ... [2022-11-20 19:44:41,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30cb9af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:44:41, skipping insertion in model container [2022-11-20 19:44:41,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:44:40" (2/3) ... [2022-11-20 19:44:41,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30cb9af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:44:41, skipping insertion in model container [2022-11-20 19:44:41,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:44:41" (3/3) ... [2022-11-20 19:44:41,589 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product30.cil.c [2022-11-20 19:44:41,609 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:44:41,609 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 19:44:41,660 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:44:41,666 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;@1a2067b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:44:41,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 19:44:41,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 47 states have internal predecessors, (54), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-20 19:44:41,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 19:44:41,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:44:41,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:44:41,685 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:44:41,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:44:41,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1186121662, now seen corresponding path program 1 times [2022-11-20 19:44:41,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:44:41,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996650636] [2022-11-20 19:44:41,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:44:41,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:44:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:44:41,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:44:41,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:44:41,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996650636] [2022-11-20 19:44:41,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996650636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:44:41,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:44:41,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 19:44:41,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136307140] [2022-11-20 19:44:41,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:44:41,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 19:44:41,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:44:41,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 19:44:41,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 19:44:41,987 INFO L87 Difference]: Start difference. First operand has 65 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 47 states have internal predecessors, (54), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2022-11-20 19:44:42,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:44:42,058 INFO L93 Difference]: Finished difference Result 128 states and 169 transitions. [2022-11-20 19:44:42,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 19:44:42,060 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 16 [2022-11-20 19:44:42,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:44:42,077 INFO L225 Difference]: With dead ends: 128 [2022-11-20 19:44:42,078 INFO L226 Difference]: Without dead ends: 60 [2022-11-20 19:44:42,082 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 [2022-11-20 19:44:42,085 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:44:42,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:44:42,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-20 19:44:42,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-11-20 19:44:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 43 states have internal predecessors, (46), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-20 19:44:42,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2022-11-20 19:44:42,146 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 16 [2022-11-20 19:44:42,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:44:42,147 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2022-11-20 19:44:42,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2022-11-20 19:44:42,147 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-11-20 19:44:42,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 19:44:42,149 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:44:42,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:44:42,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 19:44:42,150 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:44:42,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:44:42,151 INFO L85 PathProgramCache]: Analyzing trace with hash -36008708, now seen corresponding path program 1 times [2022-11-20 19:44:42,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:44:42,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769968542] [2022-11-20 19:44:42,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:44:42,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:44:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:44:42,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:44:42,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:44:42,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769968542] [2022-11-20 19:44:42,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769968542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:44:42,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:44:42,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:44:42,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796224096] [2022-11-20 19:44:42,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:44:42,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:44:42,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:44:42,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:44:42,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:44:42,245 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-20 19:44:42,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:44:42,326 INFO L93 Difference]: Finished difference Result 97 states and 121 transitions. [2022-11-20 19:44:42,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:44:42,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 17 [2022-11-20 19:44:42,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:44:42,328 INFO L225 Difference]: With dead ends: 97 [2022-11-20 19:44:42,328 INFO L226 Difference]: Without dead ends: 52 [2022-11-20 19:44:42,329 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 [2022-11-20 19:44:42,330 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 7 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:44:42,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 93 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:44:42,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-20 19:44:42,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-20 19:44:42,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 38 states have internal predecessors, (40), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 19:44:42,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 64 transitions. [2022-11-20 19:44:42,343 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 64 transitions. Word has length 17 [2022-11-20 19:44:42,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:44:42,343 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 64 transitions. [2022-11-20 19:44:42,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-20 19:44:42,344 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-11-20 19:44:42,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 19:44:42,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:44:42,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:44:42,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 19:44:42,345 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:44:42,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:44:42,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1521812284, now seen corresponding path program 1 times [2022-11-20 19:44:42,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:44:42,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237978575] [2022-11-20 19:44:42,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:44:42,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:44:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:44:42,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:44:42,565 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:44:42,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237978575] [2022-11-20 19:44:42,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237978575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:44:42,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:44:42,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 19:44:42,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189013716] [2022-11-20 19:44:42,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:44:42,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:44:42,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:44:42,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:44:42,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:44:42,568 INFO L87 Difference]: Start difference. First operand 52 states and 64 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2022-11-20 19:44:42,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:44:42,688 INFO L93 Difference]: Finished difference Result 102 states and 127 transitions. [2022-11-20 19:44:42,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:44:42,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 19 [2022-11-20 19:44:42,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:44:42,691 INFO L225 Difference]: With dead ends: 102 [2022-11-20 19:44:42,691 INFO L226 Difference]: Without dead ends: 52 [2022-11-20 19:44:42,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:44:42,693 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 54 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:44:42,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 65 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:44:42,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-20 19:44:42,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-20 19:44:42,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 38 states have internal predecessors, (39), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 19:44:42,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2022-11-20 19:44:42,704 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 19 [2022-11-20 19:44:42,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:44:42,704 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2022-11-20 19:44:42,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2022-11-20 19:44:42,705 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2022-11-20 19:44:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 19:44:42,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:44:42,706 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] [2022-11-20 19:44:42,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 19:44:42,707 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:44:42,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:44:42,708 INFO L85 PathProgramCache]: Analyzing trace with hash -609045863, now seen corresponding path program 1 times [2022-11-20 19:44:42,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:44:42,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497470195] [2022-11-20 19:44:42,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:44:42,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:44:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:44:42,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:44:42,886 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:44:42,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497470195] [2022-11-20 19:44:42,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497470195] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:44:42,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:44:42,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 19:44:42,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150625209] [2022-11-20 19:44:42,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:44:42,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 19:44:42,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:44:42,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 19:44:42,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 19:44:42,889 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 19:44:43,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:44:43,048 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2022-11-20 19:44:43,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 19:44:43,049 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 2 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 29 [2022-11-20 19:44:43,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:44:43,052 INFO L225 Difference]: With dead ends: 150 [2022-11-20 19:44:43,052 INFO L226 Difference]: Without dead ends: 100 [2022-11-20 19:44:43,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-20 19:44:43,054 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 42 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:44:43,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 260 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:44:43,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-20 19:44:43,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2022-11-20 19:44:43,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 57 states have (on average 1.2456140350877194) internal successors, (71), 69 states have internal predecessors, (71), 23 states have call successors, (23), 15 states have call predecessors, (23), 15 states have return successors, (23), 15 states have call predecessors, (23), 23 states have call successors, (23) [2022-11-20 19:44:43,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 117 transitions. [2022-11-20 19:44:43,075 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 117 transitions. Word has length 29 [2022-11-20 19:44:43,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:44:43,075 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 117 transitions. [2022-11-20 19:44:43,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 19:44:43,076 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 117 transitions. [2022-11-20 19:44:43,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 19:44:43,077 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:44:43,078 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] [2022-11-20 19:44:43,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 19:44:43,078 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:44:43,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:44:43,079 INFO L85 PathProgramCache]: Analyzing trace with hash 2143445580, now seen corresponding path program 1 times [2022-11-20 19:44:43,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:44:43,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823984865] [2022-11-20 19:44:43,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:44:43,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:44:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:44:43,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:44:43,257 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:44:43,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823984865] [2022-11-20 19:44:43,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823984865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:44:43,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:44:43,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 19:44:43,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991919437] [2022-11-20 19:44:43,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:44:43,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 19:44:43,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:44:43,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 19:44:43,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:44:43,260 INFO L87 Difference]: Start difference. First operand 96 states and 117 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 19:44:43,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:44:43,352 INFO L93 Difference]: Finished difference Result 162 states and 197 transitions. [2022-11-20 19:44:43,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 19:44:43,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2022-11-20 19:44:43,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:44:43,353 INFO L225 Difference]: With dead ends: 162 [2022-11-20 19:44:43,353 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 19:44:43,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 19:44:43,356 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 31 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:44:43,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 43 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:44:43,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 19:44:43,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 19:44:43,358 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) [2022-11-20 19:44:43,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 19:44:43,358 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-11-20 19:44:43,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:44:43,358 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 19:44:43,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 19:44:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 19:44:43,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 19:44:43,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 19:44:43,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 19:44:43,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 19:44:43,917 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 774 781) the Hoare annotation is: true [2022-11-20 19:44:43,917 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 774 781) no Hoare annotation was computed. [2022-11-20 19:44:43,917 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 690 696) no Hoare annotation was computed. [2022-11-20 19:44:43,918 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 690 696) the Hoare annotation is: true [2022-11-20 19:44:43,918 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 586 597) the Hoare annotation is: true [2022-11-20 19:44:43,918 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2022-11-20 19:44:43,918 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 598 606) the Hoare annotation is: true [2022-11-20 19:44:43,918 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 598 606) no Hoare annotation was computed. [2022-11-20 19:44:43,918 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 884) no Hoare annotation was computed. [2022-11-20 19:44:43,919 INFO L895 garLoopResultBuilder]: At program point L874(lines 874 887) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (and (<= |timeShift___utac_acc__Specification1_spec__1_~tmp~8#1| 0) (< 0 (+ |timeShift___utac_acc__Specification1_spec__1_~tmp~8#1| 1))) .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-11-20 19:44:43,919 INFO L895 garLoopResultBuilder]: At program point L874-1(lines 866 890) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (and (<= |timeShift___utac_acc__Specification1_spec__1_~tmp~8#1| 0) (< 0 (+ |timeShift___utac_acc__Specification1_spec__1_~tmp~8#1| 1))) .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-11-20 19:44:43,919 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-20 19:44:43,919 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-20 19:44:43,919 INFO L895 garLoopResultBuilder]: At program point L730(line 730) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-20 19:44:43,920 INFO L899 garLoopResultBuilder]: For program point L730-1(line 730) no Hoare annotation was computed. [2022-11-20 19:44:43,920 INFO L895 garLoopResultBuilder]: At program point L743(line 743) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-20 19:44:43,920 INFO L895 garLoopResultBuilder]: At program point L743-1(lines 724 748) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-20 19:44:43,920 INFO L899 garLoopResultBuilder]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2022-11-20 19:44:43,920 INFO L895 garLoopResultBuilder]: At program point L653(line 653) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-20 19:44:43,920 INFO L895 garLoopResultBuilder]: At program point L872(line 872) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-20 19:44:43,921 INFO L899 garLoopResultBuilder]: For program point L872-1(line 872) no Hoare annotation was computed. [2022-11-20 19:44:43,921 INFO L899 garLoopResultBuilder]: For program point L670-1(lines 669 688) no Hoare annotation was computed. [2022-11-20 19:44:43,921 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2022-11-20 19:44:43,921 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 745) no Hoare annotation was computed. [2022-11-20 19:44:43,921 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 666 689) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-20 19:44:43,921 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 666 689) no Hoare annotation was computed. [2022-11-20 19:44:43,921 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2022-11-20 19:44:43,922 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-20 19:44:43,922 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-20 19:44:43,922 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-20 19:44:43,922 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-20 19:44:43,922 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-20 19:44:43,922 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-20 19:44:43,922 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-20 19:44:43,923 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-20 19:44:43,923 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-20 19:44:43,926 INFO L895 garLoopResultBuilder]: At program point L940-2(lines 932 945) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 19:44:43,926 INFO L899 garLoopResultBuilder]: For program point L903(lines 902 949) no Hoare annotation was computed. [2022-11-20 19:44:43,929 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-20 19:44:43,935 INFO L895 garLoopResultBuilder]: At program point L924(line 924) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 19:44:43,935 INFO L902 garLoopResultBuilder]: At program point L953(lines 892 957) the Hoare annotation is: true [2022-11-20 19:44:43,935 INFO L899 garLoopResultBuilder]: For program point L912(lines 912 918) no Hoare annotation was computed. [2022-11-20 19:44:43,938 INFO L899 garLoopResultBuilder]: For program point L912-1(lines 912 918) no Hoare annotation was computed. [2022-11-20 19:44:43,941 INFO L895 garLoopResultBuilder]: At program point L140(lines 140 147) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0)) [2022-11-20 19:44:43,941 INFO L902 garLoopResultBuilder]: At program point L140-2(lines 140 147) the Hoare annotation is: true [2022-11-20 19:44:43,941 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 19:44:43,942 INFO L895 garLoopResultBuilder]: At program point L950(lines 901 951) the Hoare annotation is: false [2022-11-20 19:44:43,943 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 928) no Hoare annotation was computed. [2022-11-20 19:44:43,943 INFO L895 garLoopResultBuilder]: At program point L922-1(lines 922 928) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 19:44:43,943 INFO L895 garLoopResultBuilder]: At program point L947(lines 902 949) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 19:44:43,945 INFO L895 garLoopResultBuilder]: At program point L914(line 914) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 19:44:43,945 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2022-11-20 19:44:43,945 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 574 585) the Hoare annotation is: true [2022-11-20 19:44:43,945 INFO L895 garLoopResultBuilder]: At program point L702(lines 702 719) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-20 19:44:43,946 INFO L895 garLoopResultBuilder]: At program point L717(line 717) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-20 19:44:43,946 INFO L899 garLoopResultBuilder]: For program point L717-1(lines 698 722) no Hoare annotation was computed. [2022-11-20 19:44:43,946 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 698 722) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-20 19:44:43,947 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 698 722) no Hoare annotation was computed. [2022-11-20 19:44:43,947 INFO L895 garLoopResultBuilder]: At program point L712(line 712) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-20 19:44:43,947 INFO L895 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-20 19:44:43,948 INFO L899 garLoopResultBuilder]: For program point L706(lines 706 714) no Hoare annotation was computed. [2022-11-20 19:44:43,948 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 782 792) the Hoare annotation is: true [2022-11-20 19:44:43,948 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 782 792) no Hoare annotation was computed. [2022-11-20 19:44:43,948 INFO L902 garLoopResultBuilder]: At program point L787(line 787) the Hoare annotation is: true [2022-11-20 19:44:43,949 INFO L899 garLoopResultBuilder]: For program point L787-1(line 787) no Hoare annotation was computed. [2022-11-20 19:44:43,952 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-20 19:44:43,954 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 19:44:43,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:44:43 BoogieIcfgContainer [2022-11-20 19:44:43,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 19:44:43,994 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 19:44:43,994 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 19:44:43,994 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 19:44:43,995 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:44:41" (3/4) ... [2022-11-20 19:44:43,998 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 19:44:44,003 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-20 19:44:44,003 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 19:44:44,003 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 19:44:44,004 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-20 19:44:44,004 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 19:44:44,004 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 19:44:44,005 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 19:44:44,005 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-20 19:44:44,005 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-20 19:44:44,017 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-11-20 19:44:44,018 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 19:44:44,018 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 19:44:44,019 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 19:44:44,019 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 19:44:44,049 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2022-11-20 19:44:44,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2022-11-20 19:44:44,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2022-11-20 19:44:44,053 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp <= 0 && 0 < tmp + 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) [2022-11-20 19:44:44,053 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp <= 0 && 0 < tmp + 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) [2022-11-20 19:44:44,054 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-20 19:44:44,089 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 19:44:44,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 19:44:44,090 INFO L158 Benchmark]: Toolchain (without parser) took 3784.35ms. Allocated memory is still 174.1MB. Free memory was 130.0MB in the beginning and 79.1MB in the end (delta: 50.9MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2022-11-20 19:44:44,092 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory was 85.0MB in the beginning and 85.0MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:44:44,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.02ms. Allocated memory is still 174.1MB. Free memory was 130.0MB in the beginning and 111.0MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 19:44:44,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.14ms. Allocated memory is still 174.1MB. Free memory was 111.0MB in the beginning and 109.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:44:44,094 INFO L158 Benchmark]: Boogie Preprocessor took 26.30ms. Allocated memory is still 174.1MB. Free memory was 109.0MB in the beginning and 107.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:44:44,094 INFO L158 Benchmark]: RCFGBuilder took 703.33ms. Allocated memory is still 174.1MB. Free memory was 107.8MB in the beginning and 84.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 19:44:44,095 INFO L158 Benchmark]: TraceAbstraction took 2411.39ms. Allocated memory is still 174.1MB. Free memory was 83.9MB in the beginning and 84.3MB in the end (delta: -439.5kB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2022-11-20 19:44:44,098 INFO L158 Benchmark]: Witness Printer took 95.72ms. Allocated memory is still 174.1MB. Free memory was 84.3MB in the beginning and 79.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 19:44:44,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory was 85.0MB in the beginning and 85.0MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 480.02ms. Allocated memory is still 174.1MB. Free memory was 130.0MB in the beginning and 111.0MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.14ms. Allocated memory is still 174.1MB. Free memory was 111.0MB in the beginning and 109.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.30ms. Allocated memory is still 174.1MB. Free memory was 109.0MB in the beginning and 107.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 703.33ms. Allocated memory is still 174.1MB. Free memory was 107.8MB in the beginning and 84.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2411.39ms. Allocated memory is still 174.1MB. Free memory was 83.9MB in the beginning and 84.3MB in the end (delta: -439.5kB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. * Witness Printer took 95.72ms. Allocated memory is still 174.1MB. Free memory was 84.3MB in the beginning and 79.1MB in the end (delta: 5.2MB). 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: 653]: 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, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 144 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 526 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 285 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 236 IncrementalHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 241 mSDtfsCounter, 236 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 264 PreInvPairs, 285 NumberOfFragments, 296 HoareAnnotationTreeSize, 264 FomulaSimplifications, 40 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 37 FomulaSimplificationsInter, 727 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 309 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: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (((((tmp <= 0 && 0 < tmp + 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (((((tmp <= 0 && 0 < tmp + 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-20 19:44:44,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5cbc619-0d51-43c6-b564-c127ad1cfcaf/bin/utaipan-6cKwYrpEi9/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