./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW --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 bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f --- 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-4e7fbc6 [2022-11-23 15:01:44,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:01:44,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:01:44,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:01:44,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:01:44,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:01:44,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:01:44,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:01:44,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:01:44,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:01:44,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:01:44,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:01:44,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:01:44,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:01:44,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:01:44,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:01:44,718 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:01:44,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:01:44,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:01:44,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:01:44,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:01:44,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:01:44,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:01:44,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:01:44,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:01:44,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:01:44,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:01:44,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:01:44,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:01:44,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:01:44,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:01:44,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:01:44,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:01:44,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:01:44,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:01:44,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:01:44,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:01:44,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:01:44,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:01:44,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:01:44,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:01:44,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 15:01:44,801 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:01:44,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:01:44,807 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:01:44,807 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:01:44,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:01:44,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:01:44,808 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:01:44,809 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:01:44,809 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:01:44,809 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:01:44,810 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:01:44,811 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:01:44,811 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:01:44,811 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:01:44,811 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:01:44,812 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:01:44,812 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:01:44,812 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:01:44,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:01:44,814 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:01:44,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:01:44,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:01:44,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:01:44,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:01:44,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:01:44,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:01:44,816 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:01:44,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:01:44,816 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:01:44,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:01:44,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:01:44,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:01:44,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:01:44,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:01:44,818 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:01:44,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:01:44,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:01:44,819 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:01:44,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:01:44,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:01:44,820 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:01:44,820 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_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f [2022-11-23 15:01:45,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:01:45,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:01:45,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:01:45,152 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:01:45,153 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:01:45,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2022-11-23 15:01:48,478 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:01:48,793 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:01:48,794 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2022-11-23 15:01:48,814 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/data/ccd1a9feb/11286910b6734234bf696d687c0959ca/FLAGad7ea20ce [2022-11-23 15:01:48,834 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/data/ccd1a9feb/11286910b6734234bf696d687c0959ca [2022-11-23 15:01:48,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:01:48,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:01:48,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:01:48,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:01:48,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:01:48,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:48" (1/1) ... [2022-11-23 15:01:48,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a6263d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:48, skipping insertion in model container [2022-11-23 15:01:48,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:48" (1/1) ... [2022-11-23 15:01:48,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:01:48,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:01:49,117 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_e94cdf16-1e25-4dc2-918c-65c076fb6f83/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1605,1618] [2022-11-23 15:01:49,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:01:49,299 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:01:49,311 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_e94cdf16-1e25-4dc2-918c-65c076fb6f83/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1605,1618] [2022-11-23 15:01:49,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:01:49,384 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:01:49,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49 WrapperNode [2022-11-23 15:01:49,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:01:49,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:01:49,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:01:49,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:01:49,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2022-11-23 15:01:49,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2022-11-23 15:01:49,466 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 22, calls inlined = 16, statements flattened = 137 [2022-11-23 15:01:49,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:01:49,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:01:49,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:01:49,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:01:49,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2022-11-23 15:01:49,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2022-11-23 15:01:49,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2022-11-23 15:01:49,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2022-11-23 15:01:49,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2022-11-23 15:01:49,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2022-11-23 15:01:49,492 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2022-11-23 15:01:49,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2022-11-23 15:01:49,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:01:49,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:01:49,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:01:49,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:01:49,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2022-11-23 15:01:49,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:01:49,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:01:49,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:01:49,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:01:49,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:01:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-23 15:01:49,615 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-23 15:01:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-23 15:01:49,615 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-23 15:01:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-23 15:01:49,616 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-23 15:01:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:01:49,616 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-23 15:01:49,617 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-23 15:01:49,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:01:49,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:01:49,731 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:01:49,733 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:01:50,048 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:01:50,231 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:01:50,232 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 15:01:50,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:01:50 BoogieIcfgContainer [2022-11-23 15:01:50,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:01:50,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:01:50,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:01:50,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:01:50,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:01:48" (1/3) ... [2022-11-23 15:01:50,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20521bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:01:50, skipping insertion in model container [2022-11-23 15:01:50,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (2/3) ... [2022-11-23 15:01:50,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20521bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:01:50, skipping insertion in model container [2022-11-23 15:01:50,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:01:50" (3/3) ... [2022-11-23 15:01:50,255 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2022-11-23 15:01:50,279 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:01:50,279 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:01:50,354 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:01:50,363 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;@54bf9e57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:01:50,364 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:01:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 23 states have (on average 1.434782608695652) internal successors, (33), 27 states have internal predecessors, (33), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-23 15:01:50,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 15:01:50,384 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:01:50,385 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:01:50,386 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:01:50,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:01:50,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1916097941, now seen corresponding path program 1 times [2022-11-23 15:01:50,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:01:50,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633337708] [2022-11-23 15:01:50,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:01:50,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:01:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:01:50,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:01:50,667 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:01:50,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633337708] [2022-11-23 15:01:50,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633337708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:01:50,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:01:50,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:01:50,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705691725] [2022-11-23 15:01:50,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:01:50,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:01:50,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:01:50,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:01:50,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:01:50,747 INFO L87 Difference]: Start difference. First operand has 35 states, 23 states have (on average 1.434782608695652) internal successors, (33), 27 states have internal predecessors, (33), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:01:50,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:01:50,846 INFO L93 Difference]: Finished difference Result 68 states and 91 transitions. [2022-11-23 15:01:50,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:01:50,853 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-23 15:01:50,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:01:50,861 INFO L225 Difference]: With dead ends: 68 [2022-11-23 15:01:50,861 INFO L226 Difference]: Without dead ends: 30 [2022-11-23 15:01:50,866 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 [2022-11-23 15:01:50,870 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:01:50,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:01:50,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-23 15:01:50,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-23 15:01:50,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:01:50,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2022-11-23 15:01:50,926 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 36 transitions. Word has length 10 [2022-11-23 15:01:50,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:01:50,927 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 36 transitions. [2022-11-23 15:01:50,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:01:50,928 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-23 15:01:50,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 15:01:50,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:01:50,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:01:50,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:01:50,950 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:01:50,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:01:50,951 INFO L85 PathProgramCache]: Analyzing trace with hash -626163541, now seen corresponding path program 1 times [2022-11-23 15:01:50,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:01:50,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893506450] [2022-11-23 15:01:50,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:01:50,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:01:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:01:51,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:01:51,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:01:51,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893506450] [2022-11-23 15:01:51,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893506450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:01:51,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:01:51,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:01:51,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186508070] [2022-11-23 15:01:51,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:01:51,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:01:51,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:01:51,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:01:51,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:01:51,111 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:01:51,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:01:51,142 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-11-23 15:01:51,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:01:51,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 15:01:51,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:01:51,144 INFO L225 Difference]: With dead ends: 37 [2022-11-23 15:01:51,144 INFO L226 Difference]: Without dead ends: 22 [2022-11-23 15:01:51,144 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 [2022-11-23 15:01:51,146 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 7 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:01:51,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 23 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:01:51,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-23 15:01:51,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-23 15:01:51,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 15:01:51,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-11-23 15:01:51,154 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 11 [2022-11-23 15:01:51,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:01:51,154 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-23 15:01:51,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:01:51,155 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-23 15:01:51,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 15:01:51,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:01:51,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:01:51,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:01:51,157 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:01:51,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:01:51,157 INFO L85 PathProgramCache]: Analyzing trace with hash -553622356, now seen corresponding path program 1 times [2022-11-23 15:01:51,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:01:51,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42779303] [2022-11-23 15:01:51,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:01:51,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:01:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:01:51,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:01:51,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:01:51,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42779303] [2022-11-23 15:01:51,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42779303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:01:51,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:01:51,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:01:51,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280441887] [2022-11-23 15:01:51,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:01:51,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:01:51,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:01:51,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:01:51,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:01:51,445 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:01:51,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:01:51,590 INFO L93 Difference]: Finished difference Result 58 states and 69 transitions. [2022-11-23 15:01:51,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:01:51,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-23 15:01:51,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:01:51,594 INFO L225 Difference]: With dead ends: 58 [2022-11-23 15:01:51,594 INFO L226 Difference]: Without dead ends: 38 [2022-11-23 15:01:51,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:01:51,596 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:01:51,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 52 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:01:51,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-23 15:01:51,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2022-11-23 15:01:51,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.24) internal successors, (31), 29 states have internal predecessors, (31), 5 states have call successors, (5), 5 states have call predecessors, (5), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:01:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2022-11-23 15:01:51,617 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 13 [2022-11-23 15:01:51,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:01:51,618 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2022-11-23 15:01:51,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:01:51,619 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2022-11-23 15:01:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 15:01:51,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:01:51,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:01:51,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:01:51,624 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:01:51,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:01:51,625 INFO L85 PathProgramCache]: Analyzing trace with hash -991918038, now seen corresponding path program 1 times [2022-11-23 15:01:51,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:01:51,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359735287] [2022-11-23 15:01:51,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:01:51,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:01:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:01:51,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:01:51,935 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:01:51,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359735287] [2022-11-23 15:01:51,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359735287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:01:51,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:01:51,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 15:01:51,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387525035] [2022-11-23 15:01:51,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:01:51,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:01:51,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:01:51,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:01:51,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:01:51,939 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-11-23 15:01:52,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:01:52,075 INFO L93 Difference]: Finished difference Result 81 states and 95 transitions. [2022-11-23 15:01:52,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:01:52,076 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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 16 [2022-11-23 15:01:52,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:01:52,077 INFO L225 Difference]: With dead ends: 81 [2022-11-23 15:01:52,077 INFO L226 Difference]: Without dead ends: 61 [2022-11-23 15:01:52,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-23 15:01:52,079 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 28 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:01:52,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 83 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:01:52,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-23 15:01:52,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 53. [2022-11-23 15:01:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 41 states have internal predecessors, (44), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 15:01:52,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2022-11-23 15:01:52,094 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 16 [2022-11-23 15:01:52,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:01:52,094 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2022-11-23 15:01:52,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 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) [2022-11-23 15:01:52,095 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2022-11-23 15:01:52,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-23 15:01:52,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:01:52,096 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:01:52,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:01:52,097 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:01:52,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:01:52,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1298318368, now seen corresponding path program 1 times [2022-11-23 15:01:52,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:01:52,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625082797] [2022-11-23 15:01:52,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:01:52,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:01:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:01:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:01:52,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:01:52,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625082797] [2022-11-23 15:01:52,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625082797] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:01:52,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793742173] [2022-11-23 15:01:52,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:01:52,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:01:52,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:01:52,759 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:01:52,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:01:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:01:52,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-23 15:01:52,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:01:53,263 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:01:53,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:01:54,489 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:01:54,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793742173] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:01:54,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1278998939] [2022-11-23 15:01:54,510 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2022-11-23 15:01:54,510 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:01:54,514 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:01:54,520 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:01:54,521 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:02:03,308 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 139 for LOIs [2022-11-23 15:02:03,343 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 48 for LOIs [2022-11-23 15:02:03,423 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:02:07,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1278998939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:02:07,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:02:07,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [9, 9, 11] total 40 [2022-11-23 15:02:07,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241381125] [2022-11-23 15:02:07,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:02:07,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-23 15:02:07,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:02:07,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-23 15:02:07,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=1417, Unknown=0, NotChecked=0, Total=1640 [2022-11-23 15:02:07,685 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand has 16 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:02:12,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:02:12,789 INFO L93 Difference]: Finished difference Result 98 states and 114 transitions. [2022-11-23 15:02:12,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-23 15:02:12,791 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-11-23 15:02:12,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:02:12,793 INFO L225 Difference]: With dead ends: 98 [2022-11-23 15:02:12,793 INFO L226 Difference]: Without dead ends: 96 [2022-11-23 15:02:12,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 49 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 940 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=332, Invalid=2218, Unknown=0, NotChecked=0, Total=2550 [2022-11-23 15:02:12,796 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 45 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:02:12,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 83 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-23 15:02:12,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-23 15:02:12,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 85. [2022-11-23 15:02:12,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 66 states have internal predecessors, (73), 12 states have call successors, (12), 12 states have call predecessors, (12), 12 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-23 15:02:12,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 97 transitions. [2022-11-23 15:02:12,851 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 97 transitions. Word has length 27 [2022-11-23 15:02:12,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:02:12,852 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 97 transitions. [2022-11-23 15:02:12,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:02:12,852 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2022-11-23 15:02:12,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-23 15:02:12,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:02:12,855 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:02:12,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:02:13,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:02:13,062 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:02:13,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:02:13,063 INFO L85 PathProgramCache]: Analyzing trace with hash -2117057812, now seen corresponding path program 1 times [2022-11-23 15:02:13,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:02:13,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940278971] [2022-11-23 15:02:13,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:02:13,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:02:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:02:13,428 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 15:02:13,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:02:13,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940278971] [2022-11-23 15:02:13,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940278971] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:02:13,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753384525] [2022-11-23 15:02:13,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:02:13,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:02:13,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:02:13,431 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:02:13,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:02:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:02:13,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 35 conjunts are in the unsatisfiable core [2022-11-23 15:02:13,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:02:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:02:13,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:02:14,849 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:02:14,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753384525] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:02:14,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1432437829] [2022-11-23 15:02:14,855 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-23 15:02:14,855 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:02:14,856 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:02:14,856 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:02:14,857 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:02:19,845 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 41 for LOIs [2022-11-23 15:02:19,853 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 39 for LOIs [2022-11-23 15:02:19,906 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 24 for LOIs [2022-11-23 15:02:19,910 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:02:23,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1432437829] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:02:23,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-23 15:02:23,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [9, 9, 12] total 41 [2022-11-23 15:02:23,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063138118] [2022-11-23 15:02:23,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:02:23,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-23 15:02:23,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:02:23,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-23 15:02:23,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1438, Unknown=0, NotChecked=0, Total=1640 [2022-11-23 15:02:23,486 INFO L87 Difference]: Start difference. First operand 85 states and 97 transitions. Second operand has 17 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 15:02:31,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:02:31,802 INFO L93 Difference]: Finished difference Result 125 states and 154 transitions. [2022-11-23 15:02:31,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-23 15:02:31,802 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 30 [2022-11-23 15:02:31,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:02:31,803 INFO L225 Difference]: With dead ends: 125 [2022-11-23 15:02:31,803 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:02:31,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 56 SyntacticMatches, 6 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1186 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=418, Invalid=3122, Unknown=0, NotChecked=0, Total=3540 [2022-11-23 15:02:31,810 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 71 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:02:31,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 86 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-23 15:02:31,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:02:31,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:02:31,818 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) [2022-11-23 15:02:31,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:02:31,819 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-11-23 15:02:31,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:02:31,819 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:02:31,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 12 states have (on average 1.5) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 15:02:31,820 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:02:31,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:02:31,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:02:31,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-23 15:02:32,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:02:32,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:02:37,796 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 332 343) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (= ~head~0.offset 0)) (not (= |#NULL.base| 0)) (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-23 15:02:37,797 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 332 343) no Hoare annotation was computed. [2022-11-23 15:02:37,797 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 387 416) no Hoare annotation was computed. [2022-11-23 15:02:37,797 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 387 416) the Hoare annotation is: true [2022-11-23 15:02:37,797 INFO L902 garLoopResultBuilder]: At program point L412(lines 387 416) the Hoare annotation is: true [2022-11-23 15:02:37,797 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-11-23 15:02:37,797 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2022-11-23 15:02:37,798 INFO L902 garLoopResultBuilder]: At program point L401-1(lines 401 405) the Hoare annotation is: true [2022-11-23 15:02:37,798 INFO L902 garLoopResultBuilder]: At program point L397-2(lines 397 411) the Hoare annotation is: true [2022-11-23 15:02:37,798 INFO L902 garLoopResultBuilder]: At program point L393(line 393) the Hoare annotation is: true [2022-11-23 15:02:37,798 INFO L899 garLoopResultBuilder]: For program point L393-1(line 393) no Hoare annotation was computed. [2022-11-23 15:02:37,798 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-23 15:02:37,799 INFO L899 garLoopResultBuilder]: For program point L292(lines 292 298) no Hoare annotation was computed. [2022-11-23 15:02:37,799 INFO L895 garLoopResultBuilder]: At program point L288(lines 288 301) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (and (= |timeShift_getWaterLevel_~retValue_acc~3#1| |timeShift_getWaterLevel_#res#1|) (= |timeShift_getWaterLevel_~retValue_acc~3#1| ~waterLevel~0) (= |timeShift___utac_acc__Specification4_spec__1_~tmp~2#1| |timeShift_getWaterLevel_#res#1|) (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) (= |old(~waterLevel~0)| ~waterLevel~0) (<= |timeShift_getWaterLevel_#res#1| 2147483647)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-23 15:02:37,800 INFO L895 garLoopResultBuilder]: At program point L288-1(lines 280 304) the Hoare annotation is: (let ((.cse0 (not (= |#NULL.offset| 0))) (.cse1 (not (<= ~systemActive~0 1))) (.cse2 (not (= ~pumpRunning~0 0))) (.cse3 (not (= ~head~0.offset 0))) (.cse4 (not (<= 0 ~methaneLevelCritical~0))) (.cse5 (not (= |#NULL.base| 0))) (.cse6 (not (<= 0 |#StackHeapBarrier|))) (.cse7 (not (= ~head~0.base 0))) (.cse8 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= |timeShift_getWaterLevel_#res#1| 2147483647) .cse6 .cse7 .cse8) (let ((.cse11 (= |timeShift___utac_acc__Specification4_spec__1_~tmp~2#1| 0)) (.cse9 (= |timeShift_getWaterLevel_~retValue_acc~3#1| |timeShift_getWaterLevel_#res#1|)) (.cse10 (= |timeShift_getWaterLevel_~retValue_acc~3#1| ~waterLevel~0)) (.cse12 (= |timeShift___utac_acc__Specification4_spec__1_~tmp~2#1| |timeShift_getWaterLevel_#res#1|)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 .cse2 (and .cse9 .cse10 .cse11 (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~1#1|) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~1#1|) .cse12 .cse13 (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification4_spec__1_~tmp___0~1#1|)) .cse3 .cse4 .cse5 (and (not .cse11) .cse9 .cse10 .cse12 (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) .cse13) .cse6 .cse7 .cse8)))) [2022-11-23 15:02:37,800 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 72 95) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-23 15:02:37,800 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 72 95) no Hoare annotation was computed. [2022-11-23 15:02:37,800 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-23 15:02:37,801 INFO L895 garLoopResultBuilder]: At program point L258-2(lines 252 265) the Hoare annotation is: (and (<= ~cleanupTimeShifts~0 4) (<= ~head~0.offset 0) (<= |ULTIMATE.start_test_~tmp___0~0#1| 2147483647) (<= 1 |ULTIMATE.start_valid_product_#res#1|) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= ~pumpRunning~0 0) (<= 0 |#NULL.base|) (<= 1 |ULTIMATE.start_valid_product_~retValue_acc~9#1|) (<= 0 (+ |ULTIMATE.start_test_~tmp___0~0#1| 2147483648)) (<= 0 ~head~0.offset) (<= 1 |ULTIMATE.start_main_~tmp~3#1|) (<= |ULTIMATE.start_main_~tmp~3#1| 1) (<= |#NULL.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |ULTIMATE.start_valid_product_#res#1| 1) (<= 0 (+ ~waterLevel~0 2147483648)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648)) (<= 0 ~head~0.base) (or (not (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) (and (or (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (= 0 ~systemActive~0)) (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)))) (<= |#NULL.base| 0) (<= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (<= |ULTIMATE.start_valid_product_~retValue_acc~9#1| 1) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647) (<= ~systemActive~0 1)) [2022-11-23 15:02:37,801 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 248) no Hoare annotation was computed. [2022-11-23 15:02:37,802 INFO L895 garLoopResultBuilder]: At program point L242-1(lines 242 248) the Hoare annotation is: (let ((.cse27 (= |ULTIMATE.start_test_~tmp___0~0#1| 0))) (let ((.cse5 (not .cse27)) (.cse1 (<= |ULTIMATE.start_test_~tmp___0~0#1| 2147483647)) (.cse4 (<= 0 (+ |ULTIMATE.start_test_~tmp___0~0#1| 2147483648))) (.cse0 (not (= |ULTIMATE.start_test_~tmp~1#1| 0))) (.cse8 (<= 2 ~waterLevel~0)) (.cse15 (<= ~waterLevel~0 2147483647)) (.cse16 (= ~head~0.base 0)) (.cse18 (<= 0 |#StackHeapBarrier|)) (.cse20 (<= ~systemActive~0 1)) (.cse2 (<= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (<= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse7 (= ~head~0.offset 0)) (.cse9 (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| 1)) (.cse10 (<= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse11 (<= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse26 (<= ~methaneLevelCritical~0 0)) (.cse12 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse13 (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648))) (.cse24 (<= 0 ~head~0.base)) (.cse14 (<= 0 ~methaneLevelCritical~0)) (.cse25 (<= ~head~0.base 0)) (.cse17 (= |#NULL.offset| 0)) (.cse23 (= ~waterLevel~0 1)) (.cse19 (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647)) (.cse21 (= ~cleanupTimeShifts~0 4)) (.cse22 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse16 .cse17 .cse23 .cse18 .cse19 .cse20 .cse21 .cse22) (and (<= ~cleanupTimeShifts~0 4) (<= ~head~0.offset 0) .cse1 .cse2 (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= ~pumpRunning~0 0) (<= 0 |#NULL.base|) (<= 1 |ULTIMATE.start_valid_product_~retValue_acc~9#1|) .cse4 (<= 0 ~head~0.offset) .cse6 .cse10 (<= |#NULL.offset| 0) (<= 4 ~cleanupTimeShifts~0) .cse11 (<= 0 (+ ~waterLevel~0 2147483648)) .cse12 .cse13 .cse24 (or (not (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) (and (or (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (= 0 ~systemActive~0)) (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)))) (<= |#NULL.base| 0) .cse14 .cse15 (<= 0 ~pumpRunning~0) .cse25 (<= |ULTIMATE.start_valid_product_~retValue_acc~9#1| 1) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (<= 0 |#NULL.offset|) .cse18 .cse19 .cse20) (and .cse0 .cse2 .cse3 .cse6 (<= 0 ~systemActive~0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse26 .cse12 .cse13 .cse27 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22) (let ((.cse28 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) .cse2 (= (select |#valid| 15) 1) .cse3 (= (select |#valid| 9) 1) (= (select |#length| 12) 25) .cse6 (= (select |#valid| 11) 1) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) .cse7 (= 2 (select |#length| 1)) (= (select |#length| 8) 9) .cse9 (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) .cse10 (= 30 (select |#length| 13)) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse11 .cse26 .cse12 (= (select |#valid| 4) 1) .cse13 .cse27 .cse24 (= (select |#valid| 1) 1) (= (select |#length| 6) 21) .cse14 (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) .cse25 (= (select |#valid| 2) 1) .cse17 (= 9 (select |#length| 11)) .cse23 (= (select .cse28 0) 48) (= (select |#valid| 6) 1) (= (select .cse28 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) .cse19 (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) .cse21 .cse22))))) [2022-11-23 15:02:37,804 INFO L895 garLoopResultBuilder]: At program point L267(lines 222 269) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (let ((.cse1 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= ~pumpRunning~0 0) (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) (= ~head~0.offset 0) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| 1) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~3#1|) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse0 (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse1 0) 48) (= (select |#valid| 6) 1) (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| |ULTIMATE.start_valid_product_#res#1|) (= (select .cse1 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))) (and (<= ~cleanupTimeShifts~0 4) (<= ~head~0.offset 0) (<= |ULTIMATE.start_test_~tmp___0~0#1| 2147483647) (<= 1 |ULTIMATE.start_valid_product_#res#1|) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= ~pumpRunning~0 0) (<= 0 |#NULL.base|) (<= 1 |ULTIMATE.start_valid_product_~retValue_acc~9#1|) (<= 0 (+ |ULTIMATE.start_test_~tmp___0~0#1| 2147483648)) (<= 0 ~head~0.offset) (<= 1 |ULTIMATE.start_main_~tmp~3#1|) (<= |ULTIMATE.start_main_~tmp~3#1| 1) (<= |#NULL.offset| 0) (<= 4 ~cleanupTimeShifts~0) (<= |ULTIMATE.start_valid_product_#res#1| 1) (<= 0 (+ ~waterLevel~0 2147483648)) .cse0 (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648)) (<= 0 ~head~0.base) (or (not (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) (and (or (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (= 0 ~systemActive~0)) (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)))) (<= |#NULL.base| 0) (<= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (<= |ULTIMATE.start_valid_product_~retValue_acc~9#1| 1) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (<= 0 |#NULL.offset|) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647) (<= ~systemActive~0 1)))) [2022-11-23 15:02:37,805 INFO L895 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_test_~tmp~1#1| 0))) (.cse1 (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648))) (.cse4 (= |#NULL.offset| 0)) (.cse5 (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647)) (.cse6 (= ~cleanupTimeShifts~0 4)) (.cse7 (= |#NULL.base| 0))) (or (and .cse0 (<= ~head~0.offset 0) (<= |ULTIMATE.start_test_~tmp___0~0#1| 2147483647) (<= 1 |ULTIMATE.start_valid_product_#res#1|) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= ~pumpRunning~0 0) (<= 0 (+ |ULTIMATE.start_test_~tmp___0~0#1| 2147483648)) (<= 0 ~head~0.offset) (<= 1 |ULTIMATE.start_main_~tmp~3#1|) .cse1 (<= |ULTIMATE.start_main_~tmp~3#1| 1) (<= |ULTIMATE.start_valid_product_#res#1| 1) (<= 0 (+ ~waterLevel~0 2147483648)) .cse2 .cse3 (<= 0 ~head~0.base) (or (not (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) (and (or (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (= 0 ~systemActive~0)) (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)))) (<= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) .cse4 (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (<= 0 |#StackHeapBarrier|) .cse5 (<= ~systemActive~0 1) .cse6 .cse7) (let ((.cse8 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) .cse0 (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= ~pumpRunning~0 0) (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) (= ~head~0.offset 0) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) .cse1 (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~3#1|) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse2 (= (select |#valid| 4) 1) .cse3 (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) .cse4 (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse8 0) 48) (= (select |#valid| 6) 1) (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| |ULTIMATE.start_valid_product_#res#1|) (= (select .cse8 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) .cse5 (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) .cse6 .cse7)))) [2022-11-23 15:02:37,805 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-23 15:02:37,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:02:37,806 INFO L899 garLoopResultBuilder]: For program point L223(lines 222 269) no Hoare annotation was computed. [2022-11-23 15:02:37,806 INFO L895 garLoopResultBuilder]: At program point L471(lines 471 478) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= ~pumpRunning~0 0) (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) (= ~head~0.offset 0) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| 1) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~3#1|) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse0 0) 48) (= (select |#valid| 6) 1) (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| |ULTIMATE.start_valid_product_#res#1|) (= (select .cse0 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))) [2022-11-23 15:02:37,806 INFO L902 garLoopResultBuilder]: At program point L471-2(lines 471 478) the Hoare annotation is: true [2022-11-23 15:02:37,808 INFO L895 garLoopResultBuilder]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (<= ~head~0.offset 0)) (.cse5 (<= 0 ~head~0.offset)) (.cse1 (<= |ULTIMATE.start_test_~tmp___0~0#1| 2147483647)) (.cse2 (<= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse20 (= ~pumpRunning~0 0)) (.cse3 (<= 0 (+ |ULTIMATE.start_test_~tmp___0~0#1| 2147483648))) (.cse4 (not (= |ULTIMATE.start_test_~tmp___0~0#1| 0))) (.cse6 (<= 1 |ULTIMATE.start_main_~tmp~3#1|)) (.cse7 (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| 1)) (.cse8 (<= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse9 (<= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse10 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse11 (<= 0 (+ |ULTIMATE.start_test_~tmp~1#1| 2147483648))) (.cse12 (<= 0 ~methaneLevelCritical~0)) (.cse13 (<= ~waterLevel~0 2147483647)) (.cse21 (= ~head~0.base 0)) (.cse14 (= |#NULL.offset| 0)) (.cse15 (<= 0 |#StackHeapBarrier|)) (.cse16 (<= |ULTIMATE.start_test_~tmp~1#1| 2147483647)) (.cse17 (<= ~systemActive~0 1)) (.cse18 (= ~cleanupTimeShifts~0 4)) (.cse19 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (<= ~pumpRunning~0 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= 0 (+ ~waterLevel~0 2147483648)) .cse10 .cse11 (<= 0 ~head~0.base) (or (not (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) (and (or (= |ULTIMATE.start_test_~tmp___1~0#1| 0) (= 0 ~systemActive~0)) (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)))) .cse12 .cse13 (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) .cse14 (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) .cse15 .cse16 .cse17 .cse18 .cse19) (let ((.cse22 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) .cse0 (= 30 (select |#length| 7)) .cse1 (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) .cse20 .cse3 (= (select |#valid| 9) 1) .cse4 (= (select |#length| 12) 25) .cse5 (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) .cse7 (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~3#1|) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse10 (= (select |#valid| 4) 1) .cse11 (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) .cse21 (= (select |#valid| 2) 1) .cse14 (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse22 0) 48) (= (select |#valid| 6) 1) (= |ULTIMATE.start_valid_product_~retValue_acc~9#1| |ULTIMATE.start_valid_product_#res#1|) (= (select .cse22 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) .cse16 (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) .cse18 .cse19)) (and (not (= |ULTIMATE.start_test_~tmp~1#1| 0)) .cse1 .cse2 .cse20 .cse3 .cse4 .cse6 (<= 0 ~systemActive~0) (= ~head~0.offset 0) (<= 2 ~waterLevel~0) .cse7 .cse8 .cse9 (<= ~methaneLevelCritical~0 0) .cse10 .cse11 .cse12 .cse13 .cse21 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19))) [2022-11-23 15:02:37,808 INFO L902 garLoopResultBuilder]: At program point L273(lines 212 277) the Hoare annotation is: true [2022-11-23 15:02:37,808 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2022-11-23 15:02:37,808 INFO L899 garLoopResultBuilder]: For program point L232-1(lines 232 238) no Hoare annotation was computed. [2022-11-23 15:02:37,809 INFO L895 garLoopResultBuilder]: At program point L270(lines 221 271) the Hoare annotation is: false [2022-11-23 15:02:37,809 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 320 331) no Hoare annotation was computed. [2022-11-23 15:02:37,809 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 320 331) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (<= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-23 15:02:37,813 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-23 15:02:37,815 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:02:37,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:02:37 BoogieIcfgContainer [2022-11-23 15:02:37,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:02:37,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:02:37,849 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:02:37,849 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:02:37,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:01:50" (3/4) ... [2022-11-23 15:02:37,853 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:02:37,858 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-23 15:02:37,859 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-23 15:02:37,859 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-23 15:02:37,859 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-23 15:02:37,865 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-11-23 15:02:37,866 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-23 15:02:37,866 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-23 15:02:37,866 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:02:37,867 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:02:37,893 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && retValue_acc == 1) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && retValue_acc == \result) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0 [2022-11-23 15:02:37,894 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && retValue_acc == 1) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && splverifierCounter == 0) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && retValue_acc == \result) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0) || ((((((((((((((((((((((((((((((cleanupTimeShifts <= 4 && head <= 0) && tmp___0 <= 2147483647) && 1 <= \result) && tmp___2 <= 2147483647) && pumpRunning <= 0) && 0 <= #NULL) && 1 <= retValue_acc) && 0 <= tmp___0 + 2147483648) && 0 <= head) && 1 <= tmp) && tmp <= 1) && #NULL <= 0) && 4 <= cleanupTimeShifts) && \result <= 1) && 0 <= waterLevel + 2147483648) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= head) && (!(tmp___2 == 0) || (((tmp___1 == 0 || 0 == systemActive) && tmp___1 <= 2147483647) && 0 <= tmp___1 + 2147483648))) && #NULL <= 0) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && 0 <= pumpRunning) && head <= 0) && retValue_acc <= 1) && 0 <= tmp___2 + 2147483648) && 0 <= #NULL) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) [2022-11-23 15:02:37,894 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4) [2022-11-23 15:02:37,895 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((!(tmp == 0) && tmp___0 <= 2147483647) && 1 <= \result) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && !(tmp___0 == 0)) && 1 <= tmp) && head == 0) && 2 <= waterLevel) && retValue_acc == 1) && tmp <= 1) && \result <= 1) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && cleanupTimeShifts == 4) && #NULL == 0) || ((((((((((((((((((((tmp___0 <= 2147483647 && 1 <= \result) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && !(tmp___0 == 0)) && 1 <= tmp) && head == 0) && retValue_acc == 1) && tmp <= 1) && \result <= 1) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= methaneLevelCritical) && head == 0) && #NULL == 0) && waterLevel == 1) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && cleanupTimeShifts == 4) && #NULL == 0)) || ((((((((((((((((((((((((((((((cleanupTimeShifts <= 4 && head <= 0) && tmp___0 <= 2147483647) && 1 <= \result) && tmp___2 <= 2147483647) && pumpRunning <= 0) && 0 <= #NULL) && 1 <= retValue_acc) && 0 <= tmp___0 + 2147483648) && 0 <= head) && 1 <= tmp) && tmp <= 1) && #NULL <= 0) && 4 <= cleanupTimeShifts) && \result <= 1) && 0 <= waterLevel + 2147483648) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= head) && (!(tmp___2 == 0) || (((tmp___1 == 0 || 0 == systemActive) && tmp___1 <= 2147483647) && 0 <= tmp___1 + 2147483648))) && #NULL <= 0) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && 0 <= pumpRunning) && head <= 0) && retValue_acc <= 1) && 0 <= tmp___2 + 2147483648) && 0 <= #NULL) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1)) || ((((((((((((((((((((((!(tmp == 0) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && 0 <= systemActive) && head == 0) && 2 <= waterLevel) && retValue_acc == 1) && tmp <= 1) && \result <= 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && tmp___0 == 0) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && cleanupTimeShifts == 4) && #NULL == 0)) || (((((((((((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && 1 <= \result) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && 1 <= tmp) && \valid[11] == 1) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && retValue_acc == 1) && \valid[3] == 1) && \valid[7] == 1) && tmp <= 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \result <= 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && \valid[4] == 1) && 0 <= tmp + 2147483648) && tmp___0 == 0) && 0 <= head) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && 0 <= methaneLevelCritical) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head <= 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && tmp <= 2147483647) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0) [2022-11-23 15:02:37,896 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || (((((retValue_acc == \result && retValue_acc == waterLevel) && tmp == \result) && 0 <= 2147483648 + \result) && \old(waterLevel) == waterLevel) && \result <= 2147483647)) || !(head == 0)) || !(cleanupTimeShifts == 4) [2022-11-23 15:02:37,896 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || \result <= 2147483647) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && ((((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || (((((((retValue_acc == \result && retValue_acc == waterLevel) && tmp == 0) && pumpRunning == retValue_acc) && \result == retValue_acc) && tmp == \result) && \old(waterLevel) == waterLevel) && \result == tmp___0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || (((((!(tmp == 0) && retValue_acc == \result) && retValue_acc == waterLevel) && tmp == \result) && 0 <= 2147483648 + \result) && \old(waterLevel) == waterLevel)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) [2022-11-23 15:02:37,914 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:02:37,914 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:02:37,915 INFO L158 Benchmark]: Toolchain (without parser) took 49074.34ms. Allocated memory was 148.9MB in the beginning and 474.0MB in the end (delta: 325.1MB). Free memory was 117.9MB in the beginning and 244.0MB in the end (delta: -126.1MB). Peak memory consumption was 200.8MB. Max. memory is 16.1GB. [2022-11-23 15:02:37,915 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:02:37,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.71ms. Allocated memory is still 148.9MB. Free memory was 117.1MB in the beginning and 99.1MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 15:02:37,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.16ms. Allocated memory is still 148.9MB. Free memory was 99.1MB in the beginning and 97.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:02:37,916 INFO L158 Benchmark]: Boogie Preprocessor took 26.63ms. Allocated memory is still 148.9MB. Free memory was 97.0MB in the beginning and 96.2MB in the end (delta: 760.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:02:37,917 INFO L158 Benchmark]: RCFGBuilder took 739.90ms. Allocated memory is still 148.9MB. Free memory was 95.7MB in the beginning and 74.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 15:02:37,917 INFO L158 Benchmark]: TraceAbstraction took 47607.80ms. Allocated memory was 148.9MB in the beginning and 474.0MB in the end (delta: 325.1MB). Free memory was 73.9MB in the beginning and 248.2MB in the end (delta: -174.3MB). Peak memory consumption was 240.7MB. Max. memory is 16.1GB. [2022-11-23 15:02:37,917 INFO L158 Benchmark]: Witness Printer took 65.96ms. Allocated memory is still 474.0MB. Free memory was 248.2MB in the beginning and 244.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:02:37,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 541.71ms. Allocated memory is still 148.9MB. Free memory was 117.1MB in the beginning and 99.1MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.16ms. Allocated memory is still 148.9MB. Free memory was 99.1MB in the beginning and 97.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.63ms. Allocated memory is still 148.9MB. Free memory was 97.0MB in the beginning and 96.2MB in the end (delta: 760.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 739.90ms. Allocated memory is still 148.9MB. Free memory was 95.7MB in the beginning and 74.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 47607.80ms. Allocated memory was 148.9MB in the beginning and 474.0MB in the end (delta: 325.1MB). Free memory was 73.9MB in the beginning and 248.2MB in the end (delta: -174.3MB). Peak memory consumption was 240.7MB. Max. memory is 16.1GB. * Witness Printer took 65.96ms. Allocated memory is still 474.0MB. Free memory was 248.2MB in the beginning and 244.0MB in the end (delta: 4.2MB). 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: 54]: 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 5 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 47.5s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 165 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 161 mSDsluCounter, 357 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 231 mSDsCounter, 130 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 887 IncrementalHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 130 mSolverCounterUnsat, 126 mSDtfsCounter, 887 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 240 GetRequests, 114 SyntacticMatches, 8 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2131 ImplicationChecksByTransitivity, 20.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=5, InterpolantAutomatonStates: 57, 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, 6 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 107 PreInvPairs, 170 NumberOfFragments, 2352 HoareAnnotationTreeSize, 107 FomulaSimplifications, 1219 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 21 FomulaSimplificationsInter, 7348 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 164 NumberOfCodeBlocks, 164 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 1671 SizeOfPredicates, 32 NumberOfNonLiveVariables, 376 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 4/54 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: OVERALL_TIME: 14.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 7, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 65, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 81, TOOLS_POST_TIME: 2.9s, TOOLS_POST_CALL_APPLICATIONS: 41, TOOLS_POST_CALL_TIME: 7.2s, TOOLS_POST_RETURN_APPLICATIONS: 36, TOOLS_POST_RETURN_TIME: 2.7s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 158, TOOLS_QUANTIFIERELIM_TIME: 12.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 1.4s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 193, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 41, DOMAIN_JOIN_TIME: 0.8s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 65, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 10.3s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 10.3s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 36, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 480, DAG_COMPRESSION_RETAINED_NODES: 151, 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: 54]: Loop Invariant Derived loop invariant: (((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || \old(waterLevel) == waterLevel) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && retValue_acc == 1) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && splverifierCounter == 0) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && retValue_acc == \result) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0) || ((((((((((((((((((((((((((((((cleanupTimeShifts <= 4 && head <= 0) && tmp___0 <= 2147483647) && 1 <= \result) && tmp___2 <= 2147483647) && pumpRunning <= 0) && 0 <= #NULL) && 1 <= retValue_acc) && 0 <= tmp___0 + 2147483648) && 0 <= head) && 1 <= tmp) && tmp <= 1) && #NULL <= 0) && 4 <= cleanupTimeShifts) && \result <= 1) && 0 <= waterLevel + 2147483648) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= head) && (!(tmp___2 == 0) || (((tmp___1 == 0 || 0 == systemActive) && tmp___1 <= 2147483647) && 0 <= tmp___1 + 2147483648))) && #NULL <= 0) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && 0 <= pumpRunning) && head <= 0) && retValue_acc <= 1) && 0 <= tmp___2 + 2147483648) && 0 <= #NULL) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && retValue_acc == 1) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && \result == tmp) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && retValue_acc == \result) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((!(tmp == 0) && tmp___0 <= 2147483647) && 1 <= \result) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && !(tmp___0 == 0)) && 1 <= tmp) && head == 0) && 2 <= waterLevel) && retValue_acc == 1) && tmp <= 1) && \result <= 1) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && cleanupTimeShifts == 4) && #NULL == 0) || ((((((((((((((((((((tmp___0 <= 2147483647 && 1 <= \result) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && !(tmp___0 == 0)) && 1 <= tmp) && head == 0) && retValue_acc == 1) && tmp <= 1) && \result <= 1) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= methaneLevelCritical) && head == 0) && #NULL == 0) && waterLevel == 1) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && cleanupTimeShifts == 4) && #NULL == 0)) || ((((((((((((((((((((((((((((((cleanupTimeShifts <= 4 && head <= 0) && tmp___0 <= 2147483647) && 1 <= \result) && tmp___2 <= 2147483647) && pumpRunning <= 0) && 0 <= #NULL) && 1 <= retValue_acc) && 0 <= tmp___0 + 2147483648) && 0 <= head) && 1 <= tmp) && tmp <= 1) && #NULL <= 0) && 4 <= cleanupTimeShifts) && \result <= 1) && 0 <= waterLevel + 2147483648) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && 0 <= head) && (!(tmp___2 == 0) || (((tmp___1 == 0 || 0 == systemActive) && tmp___1 <= 2147483647) && 0 <= tmp___1 + 2147483648))) && #NULL <= 0) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && 0 <= pumpRunning) && head <= 0) && retValue_acc <= 1) && 0 <= tmp___2 + 2147483648) && 0 <= #NULL) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1)) || ((((((((((((((((((((((!(tmp == 0) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && 0 <= systemActive) && head == 0) && 2 <= waterLevel) && retValue_acc == 1) && tmp <= 1) && \result <= 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= tmp + 2147483648) && tmp___0 == 0) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && tmp <= 2147483647) && systemActive <= 1) && cleanupTimeShifts == 4) && #NULL == 0)) || (((((((((((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && 1 <= \result) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && 1 <= tmp) && \valid[11] == 1) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && retValue_acc == 1) && \valid[3] == 1) && \valid[7] == 1) && tmp <= 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \result <= 1) && methaneLevelCritical <= 0) && splverifierCounter == 0) && \valid[4] == 1) && 0 <= tmp + 2147483648) && tmp___0 == 0) && 0 <= head) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && 0 <= methaneLevelCritical) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head <= 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && tmp <= 2147483647) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0) - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: ((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || (((((retValue_acc == \result && retValue_acc == waterLevel) && tmp == \result) && 0 <= 2147483648 + \result) && \old(waterLevel) == waterLevel) && \result <= 2147483647)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || \result <= 2147483647) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) && ((((((((((!(#NULL == 0) || !(systemActive <= 1)) || !(pumpRunning == 0)) || (((((((retValue_acc == \result && retValue_acc == waterLevel) && tmp == 0) && pumpRunning == retValue_acc) && \result == retValue_acc) && tmp == \result) && \old(waterLevel) == waterLevel) && \result == tmp___0)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || (((((!(tmp == 0) && retValue_acc == \result) && retValue_acc == waterLevel) && tmp == \result) && 0 <= 2147483648 + \result) && \old(waterLevel) == waterLevel)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4)) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 15:02:37,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94cdf16-1e25-4dc2-918c-65c076fb6f83/bin/utaipan-Q6hlc19bkW/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