./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d --- 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-5e519f3 [2022-11-02 20:18:29,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:18:29,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:18:29,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:18:29,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:18:29,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:18:29,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:18:29,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:18:29,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:18:29,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:18:29,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:18:29,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:18:29,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:18:29,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:18:29,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:18:29,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:18:29,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:18:29,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:18:29,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:18:29,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:18:29,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:18:29,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:18:29,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:18:29,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:18:29,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:18:29,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:18:29,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:18:29,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:18:29,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:18:29,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:18:29,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:18:29,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:18:29,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:18:29,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:18:29,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:18:29,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:18:29,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:18:29,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:18:29,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:18:29,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:18:29,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:18:29,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:18:29,814 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:18:29,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:18:29,817 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:18:29,817 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:18:29,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:18:29,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:18:29,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:18:29,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:18:29,819 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:18:29,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:18:29,820 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:18:29,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:18:29,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:18:29,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:18:29,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:18:29,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:18:29,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:18:29,821 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:18:29,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:18:29,822 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:18:29,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:18:29,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:18:29,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:18:29,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:18:29,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:18:29,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:18:29,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:18:29,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:18:29,824 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:18:29,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:18:29,824 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:18:29,824 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:18:29,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:18:29,825 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_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d [2022-11-02 20:18:30,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:18:30,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:18:30,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:18:30,229 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:18:30,230 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:18:30,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2022-11-02 20:18:30,333 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc/data/8d724f1fc/f8d2e0f4b9e449c9863f7891669f0297/FLAGad51509d3 [2022-11-02 20:18:31,007 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:18:31,008 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2022-11-02 20:18:31,021 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc/data/8d724f1fc/f8d2e0f4b9e449c9863f7891669f0297/FLAGad51509d3 [2022-11-02 20:18:31,284 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc/data/8d724f1fc/f8d2e0f4b9e449c9863f7891669f0297 [2022-11-02 20:18:31,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:18:31,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:18:31,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:18:31,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:18:31,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:18:31,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:18:31" (1/1) ... [2022-11-02 20:18:31,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59dc0053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:31, skipping insertion in model container [2022-11-02 20:18:31,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:18:31" (1/1) ... [2022-11-02 20:18:31,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:18:31,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:18:31,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c[15732,15745] [2022-11-02 20:18:31,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:18:31,783 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:18:31,854 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c[15732,15745] [2022-11-02 20:18:31,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:18:31,884 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:18:31,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:31 WrapperNode [2022-11-02 20:18:31,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:18:31,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:18:31,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:18:31,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:18:31,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:31" (1/1) ... [2022-11-02 20:18:31,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:31" (1/1) ... [2022-11-02 20:18:31,942 INFO L138 Inliner]: procedures = 52, calls = 148, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 198 [2022-11-02 20:18:31,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:18:31,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:18:31,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:18:31,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:18:31,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:31" (1/1) ... [2022-11-02 20:18:31,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:31" (1/1) ... [2022-11-02 20:18:31,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:31" (1/1) ... [2022-11-02 20:18:31,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:31" (1/1) ... [2022-11-02 20:18:31,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:31" (1/1) ... [2022-11-02 20:18:32,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:31" (1/1) ... [2022-11-02 20:18:32,004 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:31" (1/1) ... [2022-11-02 20:18:32,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:31" (1/1) ... [2022-11-02 20:18:32,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:18:32,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:18:32,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:18:32,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:18:32,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:31" (1/1) ... [2022-11-02 20:18:32,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:18:32,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:18:32,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:18:32,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:18:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:18:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-02 20:18:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-02 20:18:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:18:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:18:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:18:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:18:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:18:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:18:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:18:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:18:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:18:32,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:18:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:18:32,271 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:18:32,274 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:18:32,591 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:18:32,600 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:18:32,600 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:18:32,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:18:32 BoogieIcfgContainer [2022-11-02 20:18:32,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:18:32,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:18:32,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:18:32,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:18:32,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:18:31" (1/3) ... [2022-11-02 20:18:32,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1dc16d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:18:32, skipping insertion in model container [2022-11-02 20:18:32,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:31" (2/3) ... [2022-11-02 20:18:32,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e1dc16d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:18:32, skipping insertion in model container [2022-11-02 20:18:32,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:18:32" (3/3) ... [2022-11-02 20:18:32,614 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2022-11-02 20:18:32,654 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:18:32,655 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:18:32,744 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:18:32,778 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b94c021, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:18:32,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:18:32,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 59 states have internal predecessors, (76), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-02 20:18:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-02 20:18:32,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:18:32,812 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:18:32,813 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:18:32,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:18:32,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1575563032, now seen corresponding path program 1 times [2022-11-02 20:18:32,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:18:32,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759605240] [2022-11-02 20:18:32,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:18:32,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:18:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:18:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:33,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:18:33,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:18:33,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759605240] [2022-11-02 20:18:33,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759605240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:18:33,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:18:33,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:18:33,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784992168] [2022-11-02 20:18:33,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:18:33,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:18:33,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:18:33,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:18:33,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:18:33,386 INFO L87 Difference]: Start difference. First operand has 69 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 59 states have internal predecessors, (76), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:18:33,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:18:33,448 INFO L93 Difference]: Finished difference Result 129 states and 174 transitions. [2022-11-02 20:18:33,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:18:33,451 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-02 20:18:33,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:18:33,473 INFO L225 Difference]: With dead ends: 129 [2022-11-02 20:18:33,476 INFO L226 Difference]: Without dead ends: 60 [2022-11-02 20:18:33,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:18:33,489 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:18:33,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:18:33,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-02 20:18:33,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-11-02 20:18:33,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 51 states have internal predecessors, (62), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-02 20:18:33,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 75 transitions. [2022-11-02 20:18:33,573 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 75 transitions. Word has length 25 [2022-11-02 20:18:33,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:18:33,574 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 75 transitions. [2022-11-02 20:18:33,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:18:33,576 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2022-11-02 20:18:33,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-02 20:18:33,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:18:33,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:18:33,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:18:33,582 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:18:33,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:18:33,585 INFO L85 PathProgramCache]: Analyzing trace with hash 630201487, now seen corresponding path program 1 times [2022-11-02 20:18:33,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:18:33,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91513570] [2022-11-02 20:18:33,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:18:33,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:18:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:33,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-02 20:18:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:33,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:18:33,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:18:33,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91513570] [2022-11-02 20:18:33,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91513570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:18:33,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:18:33,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:18:33,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167217989] [2022-11-02 20:18:33,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:18:33,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:18:33,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:18:33,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:18:33,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:18:33,833 INFO L87 Difference]: Start difference. First operand 60 states and 75 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:18:33,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:18:33,853 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2022-11-02 20:18:33,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:18:33,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-02 20:18:33,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:18:33,855 INFO L225 Difference]: With dead ends: 80 [2022-11-02 20:18:33,855 INFO L226 Difference]: Without dead ends: 51 [2022-11-02 20:18:33,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:18:33,858 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 18 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:18:33,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 102 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:18:33,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-02 20:18:33,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-02 20:18:33,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 45 states have internal predecessors, (55), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-02 20:18:33,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 63 transitions. [2022-11-02 20:18:33,869 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 63 transitions. Word has length 26 [2022-11-02 20:18:33,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:18:33,870 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 63 transitions. [2022-11-02 20:18:33,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:18:33,870 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-11-02 20:18:33,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-02 20:18:33,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:18:33,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:18:33,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:18:33,873 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:18:33,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:18:33,874 INFO L85 PathProgramCache]: Analyzing trace with hash -753775283, now seen corresponding path program 1 times [2022-11-02 20:18:33,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:18:33,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390131747] [2022-11-02 20:18:33,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:18:33,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:18:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:18:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:18:34,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:18:34,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390131747] [2022-11-02 20:18:34,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390131747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:18:34,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:18:34,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:18:34,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230600776] [2022-11-02 20:18:34,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:18:34,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:18:34,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:18:34,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:18:34,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:18:34,031 INFO L87 Difference]: Start difference. First operand 51 states and 63 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-11-02 20:18:34,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:18:34,142 INFO L93 Difference]: Finished difference Result 134 states and 172 transitions. [2022-11-02 20:18:34,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:18:34,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2022-11-02 20:18:34,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:18:34,146 INFO L225 Difference]: With dead ends: 134 [2022-11-02 20:18:34,147 INFO L226 Difference]: Without dead ends: 91 [2022-11-02 20:18:34,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:18:34,149 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 133 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:18:34,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 183 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:18:34,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-02 20:18:34,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 86. [2022-11-02 20:18:34,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 69 states have (on average 1.3478260869565217) internal successors, (93), 74 states have internal predecessors, (93), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2022-11-02 20:18:34,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2022-11-02 20:18:34,177 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 31 [2022-11-02 20:18:34,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:18:34,178 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2022-11-02 20:18:34,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2022-11-02 20:18:34,178 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2022-11-02 20:18:34,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-02 20:18:34,180 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:18:34,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:18:34,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:18:34,181 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:18:34,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:18:34,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1660967422, now seen corresponding path program 1 times [2022-11-02 20:18:34,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:18:34,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389067523] [2022-11-02 20:18:34,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:18:34,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:18:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-02 20:18:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:18:34,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:18:34,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389067523] [2022-11-02 20:18:34,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389067523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:18:34,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:18:34,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:18:34,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628113545] [2022-11-02 20:18:34,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:18:34,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:18:34,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:18:34,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:18:34,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:18:34,367 INFO L87 Difference]: Start difference. First operand 86 states and 110 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:18:34,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:18:34,478 INFO L93 Difference]: Finished difference Result 240 states and 317 transitions. [2022-11-02 20:18:34,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:18:34,479 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-11-02 20:18:34,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:18:34,493 INFO L225 Difference]: With dead ends: 240 [2022-11-02 20:18:34,493 INFO L226 Difference]: Without dead ends: 162 [2022-11-02 20:18:34,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:18:34,496 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 34 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:18:34,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 291 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:18:34,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-11-02 20:18:34,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2022-11-02 20:18:34,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 123 states have (on average 1.3252032520325203) internal successors, (163), 132 states have internal predecessors, (163), 16 states have call successors, (16), 16 states have call predecessors, (16), 16 states have return successors, (20), 16 states have call predecessors, (20), 16 states have call successors, (20) [2022-11-02 20:18:34,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 199 transitions. [2022-11-02 20:18:34,559 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 199 transitions. Word has length 32 [2022-11-02 20:18:34,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:18:34,560 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 199 transitions. [2022-11-02 20:18:34,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:18:34,561 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 199 transitions. [2022-11-02 20:18:34,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-02 20:18:34,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:18:34,571 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:18:34,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:18:34,571 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:18:34,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:18:34,572 INFO L85 PathProgramCache]: Analyzing trace with hash -994471106, now seen corresponding path program 1 times [2022-11-02 20:18:34,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:18:34,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168494053] [2022-11-02 20:18:34,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:18:34,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:18:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:18:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:18:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:18:34,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:18:34,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168494053] [2022-11-02 20:18:34,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168494053] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:18:34,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:18:34,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:18:34,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424700187] [2022-11-02 20:18:34,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:18:34,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:18:34,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:18:34,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:18:34,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:18:34,783 INFO L87 Difference]: Start difference. First operand 156 states and 199 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:18:35,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:18:35,011 INFO L93 Difference]: Finished difference Result 296 states and 384 transitions. [2022-11-02 20:18:35,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:18:35,012 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-11-02 20:18:35,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:18:35,020 INFO L225 Difference]: With dead ends: 296 [2022-11-02 20:18:35,021 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:18:35,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:18:35,027 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 47 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:18:35,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 130 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:18:35,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:18:35,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:18:35,029 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) [2022-11-02 20:18:35,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:18:35,029 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-11-02 20:18:35,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:18:35,030 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:18:35,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:18:35,030 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:18:35,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:18:35,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:18:35,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:18:35,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:18:35,659 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 801 812) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-11-02 20:18:35,659 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 801 812) no Hoare annotation was computed. [2022-11-02 20:18:35,660 INFO L899 garLoopResultBuilder]: For program point L805-1(lines 801 812) no Hoare annotation was computed. [2022-11-02 20:18:35,660 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 813 821) the Hoare annotation is: true [2022-11-02 20:18:35,660 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 813 821) no Hoare annotation was computed. [2022-11-02 20:18:35,661 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 813 821) no Hoare annotation was computed. [2022-11-02 20:18:35,661 INFO L899 garLoopResultBuilder]: For program point L642-1(lines 641 660) no Hoare annotation was computed. [2022-11-02 20:18:35,661 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 785) no Hoare annotation was computed. [2022-11-02 20:18:35,662 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 886) no Hoare annotation was computed. [2022-11-02 20:18:35,662 INFO L895 garLoopResultBuilder]: At program point L781-2(lines 777 788) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-11-02 20:18:35,663 INFO L899 garLoopResultBuilder]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2022-11-02 20:18:35,663 INFO L899 garLoopResultBuilder]: For program point L872(lines 872 889) no Hoare annotation was computed. [2022-11-02 20:18:35,663 INFO L895 garLoopResultBuilder]: At program point L872-1(lines 864 892) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~5#1| 0)) [2022-11-02 20:18:35,663 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 638 661) no Hoare annotation was computed. [2022-11-02 20:18:35,664 INFO L902 garLoopResultBuilder]: At program point L870(line 870) the Hoare annotation is: true [2022-11-02 20:18:35,665 INFO L899 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2022-11-02 20:18:35,666 INFO L899 garLoopResultBuilder]: For program point L769(line 769) no Hoare annotation was computed. [2022-11-02 20:18:35,666 INFO L895 garLoopResultBuilder]: At program point L701(lines 696 704) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= |timeShift_isPumpRunning_#res#1| 0)))) [2022-11-02 20:18:35,667 INFO L895 garLoopResultBuilder]: At program point L666(lines 662 668) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2022-11-02 20:18:35,667 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 638 661) the Hoare annotation is: true [2022-11-02 20:18:35,667 INFO L899 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2022-11-02 20:18:35,668 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 638 661) no Hoare annotation was computed. [2022-11-02 20:18:35,668 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 769) no Hoare annotation was computed. [2022-11-02 20:18:35,668 INFO L895 garLoopResultBuilder]: At program point L770(lines 765 772) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-11-02 20:18:35,669 INFO L902 garLoopResultBuilder]: At program point L481(lines 456 485) the Hoare annotation is: true [2022-11-02 20:18:35,669 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 456 485) no Hoare annotation was computed. [2022-11-02 20:18:35,669 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-11-02 20:18:35,670 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 456 485) the Hoare annotation is: true [2022-11-02 20:18:35,670 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2022-11-02 20:18:35,670 INFO L902 garLoopResultBuilder]: At program point L470-1(lines 470 474) the Hoare annotation is: true [2022-11-02 20:18:35,671 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-11-02 20:18:35,671 INFO L902 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: true [2022-11-02 20:18:35,671 INFO L902 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: true [2022-11-02 20:18:35,672 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2022-11-02 20:18:35,672 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 550) no Hoare annotation was computed. [2022-11-02 20:18:35,673 INFO L895 garLoopResultBuilder]: At program point L861(lines 856 863) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:18:35,673 INFO L899 garLoopResultBuilder]: For program point L543-2(lines 543 550) no Hoare annotation was computed. [2022-11-02 20:18:35,673 INFO L902 garLoopResultBuilder]: At program point L622(lines 559 626) the Hoare annotation is: true [2022-11-02 20:18:35,674 INFO L899 garLoopResultBuilder]: For program point L589(lines 589 595) no Hoare annotation was computed. [2022-11-02 20:18:35,674 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 589 595) no Hoare annotation was computed. [2022-11-02 20:18:35,674 INFO L902 garLoopResultBuilder]: At program point L552(lines 533 555) the Hoare annotation is: true [2022-11-02 20:18:35,679 INFO L895 garLoopResultBuilder]: At program point L581(line 581) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2022-11-02 20:18:35,680 INFO L895 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:18:35,683 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:18:35,683 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:18:35,687 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:18:35,689 INFO L895 garLoopResultBuilder]: At program point L441(lines 437 443) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2022-11-02 20:18:35,690 INFO L895 garLoopResultBuilder]: At program point L619(lines 568 620) the Hoare annotation is: false [2022-11-02 20:18:35,690 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:18:35,690 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 613) no Hoare annotation was computed. [2022-11-02 20:18:35,691 INFO L895 garLoopResultBuilder]: At program point L607-2(lines 599 614) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2022-11-02 20:18:35,691 INFO L899 garLoopResultBuilder]: For program point L570(lines 569 618) no Hoare annotation was computed. [2022-11-02 20:18:35,691 INFO L899 garLoopResultBuilder]: For program point L599(lines 599 614) no Hoare annotation was computed. [2022-11-02 20:18:35,693 INFO L895 garLoopResultBuilder]: At program point L434(lines 430 436) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2022-11-02 20:18:35,693 INFO L895 garLoopResultBuilder]: At program point L591(line 591) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2022-11-02 20:18:35,693 INFO L895 garLoopResultBuilder]: At program point L682(lines 677 684) the Hoare annotation is: false [2022-11-02 20:18:35,694 INFO L895 garLoopResultBuilder]: At program point L616(lines 569 618) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2022-11-02 20:18:35,694 INFO L895 garLoopResultBuilder]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:18:35,695 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 585) no Hoare annotation was computed. [2022-11-02 20:18:35,695 INFO L899 garLoopResultBuilder]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2022-11-02 20:18:35,696 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2022-11-02 20:18:35,696 INFO L895 garLoopResultBuilder]: At program point L761(lines 756 763) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:18:35,697 INFO L902 garLoopResultBuilder]: At program point L530(lines 522 532) the Hoare annotation is: true [2022-11-02 20:18:35,697 INFO L895 garLoopResultBuilder]: At program point L753(lines 741 755) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2022-11-02 20:18:35,698 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 751) no Hoare annotation was computed. [2022-11-02 20:18:35,698 INFO L899 garLoopResultBuilder]: For program point L745-2(lines 745 751) no Hoare annotation was computed. [2022-11-02 20:18:35,698 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 789 800) no Hoare annotation was computed. [2022-11-02 20:18:35,698 INFO L899 garLoopResultBuilder]: For program point L793-1(lines 789 800) no Hoare annotation was computed. [2022-11-02 20:18:35,699 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 789 800) the Hoare annotation is: true [2022-11-02 20:18:35,703 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-02 20:18:35,706 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:18:35,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:18:35 BoogieIcfgContainer [2022-11-02 20:18:35,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:18:35,749 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:18:35,750 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:18:35,750 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:18:35,751 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:18:32" (3/4) ... [2022-11-02 20:18:35,759 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:18:35,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:18:35,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-02 20:18:35,772 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:18:35,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:18:35,773 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:18:35,784 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-11-02 20:18:35,784 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:18:35,785 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:18:35,786 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:18:35,786 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:18:35,787 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:18:35,787 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:18:35,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) [2022-11-02 20:18:35,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-11-02 20:18:35,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) [2022-11-02 20:18:35,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 [2022-11-02 20:18:35,830 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) [2022-11-02 20:18:35,832 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 [2022-11-02 20:18:35,832 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || !(methaneLevelCritical == 0)) && (!(pumpRunning == 0) || \result == 0) [2022-11-02 20:18:35,878 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:18:35,878 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:18:35,879 INFO L158 Benchmark]: Toolchain (without parser) took 4589.44ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 73.8MB in the beginning and 86.9MB in the end (delta: -13.1MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-11-02 20:18:35,879 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 57.8MB in the beginning and 57.8MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:18:35,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 593.36ms. Allocated memory is still 111.1MB. Free memory was 73.6MB in the beginning and 78.0MB in the end (delta: -4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:18:35,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.17ms. Allocated memory is still 111.1MB. Free memory was 78.0MB in the beginning and 75.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:18:35,881 INFO L158 Benchmark]: Boogie Preprocessor took 71.70ms. Allocated memory is still 111.1MB. Free memory was 75.4MB in the beginning and 74.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:18:35,881 INFO L158 Benchmark]: RCFGBuilder took 582.07ms. Allocated memory is still 111.1MB. Free memory was 73.7MB in the beginning and 57.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-02 20:18:35,882 INFO L158 Benchmark]: TraceAbstraction took 3142.71ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 57.0MB in the beginning and 92.1MB in the end (delta: -35.1MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-11-02 20:18:35,887 INFO L158 Benchmark]: Witness Printer took 129.02ms. Allocated memory is still 153.1MB. Free memory was 91.1MB in the beginning and 86.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:18:35,888 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 57.8MB in the beginning and 57.8MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 593.36ms. Allocated memory is still 111.1MB. Free memory was 73.6MB in the beginning and 78.0MB in the end (delta: -4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.17ms. Allocated memory is still 111.1MB. Free memory was 78.0MB in the beginning and 75.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.70ms. Allocated memory is still 111.1MB. Free memory was 75.4MB in the beginning and 74.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 582.07ms. Allocated memory is still 111.1MB. Free memory was 73.7MB in the beginning and 57.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3142.71ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 57.0MB in the beginning and 92.1MB in the end (delta: -35.1MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Witness Printer took 129.02ms. Allocated memory is still 153.1MB. Free memory was 91.1MB in the beginning and 86.9MB 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: 769]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 239 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 232 mSDsluCounter, 790 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 471 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 319 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=156occurred in iteration=4, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 175 PreInvPairs, 221 NumberOfFragments, 221 HoareAnnotationTreeSize, 175 FomulaSimplifications, 36 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 802 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || !(methaneLevelCritical == 0)) && (!(pumpRunning == 0) || \result == 0) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(0 == systemActive) - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || !(methaneLevelCritical == 0)) || tmp == 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) RESULT: Ultimate proved your program to be correct! [2022-11-02 20:18:35,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcadcd3e-4a9e-4493-9351-a7d39e0dc7a7/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE