./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:00:42,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:00:42,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:00:42,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:00:42,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:00:42,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:00:42,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:00:42,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:00:42,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:00:42,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:00:42,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:00:42,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:00:42,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:00:42,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:00:42,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:00:42,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:00:42,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:00:42,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:00:42,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:00:42,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:00:42,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:00:42,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:00:42,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:00:42,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:00:42,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:00:42,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:00:42,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:00:42,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:00:42,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:00:42,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:00:42,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:00:42,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:00:42,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:00:42,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:00:42,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:00:42,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:00:42,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:00:42,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:00:42,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:00:42,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:00:42,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:00:42,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:00:42,664 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:00:42,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:00:42,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:00:42,668 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:00:42,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:00:42,669 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:00:42,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:00:42,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:00:42,670 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:00:42,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:00:42,672 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:00:42,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:00:42,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:00:42,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:00:42,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:00:42,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:00:42,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:00:42,673 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:00:42,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:00:42,674 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:00:42,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:00:42,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:00:42,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:00:42,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:00:42,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:00:42,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:00:42,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:00:42,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:00:42,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:00:42,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:00:42,687 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:00:42,688 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:00:42,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:00:42,688 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_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 [2022-11-16 12:00:42,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:00:42,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:00:42,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:00:42,979 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:00:42,980 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:00:42,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2022-11-16 12:00:43,051 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8/data/846cce0c6/6db2828ff8324df2b54f99c96e55bab2/FLAG14bd9e799 [2022-11-16 12:00:43,542 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:00:43,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2022-11-16 12:00:43,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8/data/846cce0c6/6db2828ff8324df2b54f99c96e55bab2/FLAG14bd9e799 [2022-11-16 12:00:43,879 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8/data/846cce0c6/6db2828ff8324df2b54f99c96e55bab2 [2022-11-16 12:00:43,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:00:43,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:00:43,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:00:43,892 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:00:43,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:00:43,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:00:43" (1/1) ... [2022-11-16 12:00:43,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37aad7b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:43, skipping insertion in model container [2022-11-16 12:00:43,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:00:43" (1/1) ... [2022-11-16 12:00:43,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:00:43,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:00:44,250 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c[2807,2820] [2022-11-16 12:00:44,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:00:44,406 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:00:44,422 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c[2807,2820] [2022-11-16 12:00:44,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:00:44,479 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:00:44,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:44 WrapperNode [2022-11-16 12:00:44,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:00:44,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:00:44,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:00:44,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:00:44,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:44" (1/1) ... [2022-11-16 12:00:44,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:44" (1/1) ... [2022-11-16 12:00:44,537 INFO L138 Inliner]: procedures = 53, calls = 152, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 203 [2022-11-16 12:00:44,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:00:44,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:00:44,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:00:44,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:00:44,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:44" (1/1) ... [2022-11-16 12:00:44,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:44" (1/1) ... [2022-11-16 12:00:44,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:44" (1/1) ... [2022-11-16 12:00:44,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:44" (1/1) ... [2022-11-16 12:00:44,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:44" (1/1) ... [2022-11-16 12:00:44,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:44" (1/1) ... [2022-11-16 12:00:44,572 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:44" (1/1) ... [2022-11-16 12:00:44,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:44" (1/1) ... [2022-11-16 12:00:44,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:00:44,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:00:44,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:00:44,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:00:44,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:44" (1/1) ... [2022-11-16 12:00:44,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:00:44,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:00:44,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:00:44,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:00:44,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:00:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 12:00:44,673 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 12:00:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 12:00:44,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 12:00:44,673 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-16 12:00:44,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-16 12:00:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 12:00:44,674 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 12:00:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:00:44,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:00:44,674 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-16 12:00:44,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-16 12:00:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:00:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 12:00:44,675 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 12:00:44,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:00:44,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:00:44,754 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:00:44,756 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:00:45,152 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:00:45,161 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:00:45,161 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:00:45,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:00:45 BoogieIcfgContainer [2022-11-16 12:00:45,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:00:45,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:00:45,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:00:45,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:00:45,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:00:43" (1/3) ... [2022-11-16 12:00:45,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d48390a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:00:45, skipping insertion in model container [2022-11-16 12:00:45,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:00:44" (2/3) ... [2022-11-16 12:00:45,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d48390a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:00:45, skipping insertion in model container [2022-11-16 12:00:45,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:00:45" (3/3) ... [2022-11-16 12:00:45,172 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2022-11-16 12:00:45,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:00:45,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:00:45,244 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:00:45,251 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;@5ae77744, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:00:45,251 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:00:45,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 65 states have internal predecessors, (81), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-16 12:00:45,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 12:00:45,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:00:45,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:00:45,266 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:00:45,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:00:45,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1328865407, now seen corresponding path program 1 times [2022-11-16 12:00:45,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:00:45,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580768178] [2022-11-16 12:00:45,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:00:45,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:00:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:45,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 12:00:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:00:45,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:00:45,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580768178] [2022-11-16 12:00:45,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580768178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:00:45,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:00:45,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:00:45,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047588499] [2022-11-16 12:00:45,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:00:45,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:00:45,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:00:45,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:00:45,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:00:45,661 INFO L87 Difference]: Start difference. First operand has 79 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 65 states have internal predecessors, (81), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:00:45,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:00:45,698 INFO L93 Difference]: Finished difference Result 149 states and 200 transitions. [2022-11-16 12:00:45,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:00:45,701 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-16 12:00:45,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:00:45,709 INFO L225 Difference]: With dead ends: 149 [2022-11-16 12:00:45,709 INFO L226 Difference]: Without dead ends: 70 [2022-11-16 12:00:45,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:00:45,716 INFO L413 NwaCegarLoop]: 97 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, 97 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:00:45,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:00:45,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-16 12:00:45,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-11-16 12:00:45,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 57 states have internal predecessors, (67), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-16 12:00:45,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 88 transitions. [2022-11-16 12:00:45,762 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 88 transitions. Word has length 25 [2022-11-16 12:00:45,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:00:45,762 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 88 transitions. [2022-11-16 12:00:45,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:00:45,763 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2022-11-16 12:00:45,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 12:00:45,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:00:45,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:00:45,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:00:45,766 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:00:45,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:00:45,767 INFO L85 PathProgramCache]: Analyzing trace with hash -347169703, now seen corresponding path program 1 times [2022-11-16 12:00:45,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:00:45,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724049078] [2022-11-16 12:00:45,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:00:45,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:00:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:45,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 12:00:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:45,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:00:45,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:00:45,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724049078] [2022-11-16 12:00:45,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724049078] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:00:45,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:00:45,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:00:45,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995579203] [2022-11-16 12:00:45,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:00:45,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:00:45,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:00:45,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:00:45,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:00:45,939 INFO L87 Difference]: Start difference. First operand 70 states and 88 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:00:45,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:00:45,976 INFO L93 Difference]: Finished difference Result 104 states and 130 transitions. [2022-11-16 12:00:45,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:00:45,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-16 12:00:45,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:00:45,984 INFO L225 Difference]: With dead ends: 104 [2022-11-16 12:00:45,985 INFO L226 Difference]: Without dead ends: 61 [2022-11-16 12:00:45,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:00:45,987 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 13 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:00:45,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 133 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:00:45,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-16 12:00:46,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-16 12:00:46,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 12:00:46,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 76 transitions. [2022-11-16 12:00:46,012 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 76 transitions. Word has length 26 [2022-11-16 12:00:46,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:00:46,012 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 76 transitions. [2022-11-16 12:00:46,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:00:46,014 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2022-11-16 12:00:46,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-16 12:00:46,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:00:46,016 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] [2022-11-16 12:00:46,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:00:46,017 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:00:46,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:00:46,018 INFO L85 PathProgramCache]: Analyzing trace with hash -157411988, now seen corresponding path program 1 times [2022-11-16 12:00:46,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:00:46,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902977577] [2022-11-16 12:00:46,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:00:46,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:00:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:46,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 12:00:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:46,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:00:46,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:00:46,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902977577] [2022-11-16 12:00:46,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902977577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:00:46,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:00:46,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:00:46,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043543505] [2022-11-16 12:00:46,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:00:46,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:00:46,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:00:46,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:00:46,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:00:46,219 INFO L87 Difference]: Start difference. First operand 61 states and 76 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 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) [2022-11-16 12:00:46,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:00:46,317 INFO L93 Difference]: Finished difference Result 114 states and 145 transitions. [2022-11-16 12:00:46,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:00:46,318 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 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 [2022-11-16 12:00:46,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:00:46,319 INFO L225 Difference]: With dead ends: 114 [2022-11-16 12:00:46,319 INFO L226 Difference]: Without dead ends: 61 [2022-11-16 12:00:46,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:00:46,321 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 145 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:00:46,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 145 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:00:46,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-16 12:00:46,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-16 12:00:46,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 51 states have internal predecessors, (59), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-16 12:00:46,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2022-11-16 12:00:46,331 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 75 transitions. Word has length 31 [2022-11-16 12:00:46,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:00:46,332 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 75 transitions. [2022-11-16 12:00:46,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 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) [2022-11-16 12:00:46,332 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2022-11-16 12:00:46,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 12:00:46,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:00:46,333 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] [2022-11-16 12:00:46,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:00:46,334 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:00:46,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:00:46,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1576700884, now seen corresponding path program 1 times [2022-11-16 12:00:46,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:00:46,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649984920] [2022-11-16 12:00:46,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:00:46,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:00:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 12:00:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:46,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-16 12:00:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:00:46,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:00:46,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649984920] [2022-11-16 12:00:46,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649984920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:00:46,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:00:46,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:00:46,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614694220] [2022-11-16 12:00:46,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:00:46,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:00:46,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:00:46,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:00:46,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:00:46,521 INFO L87 Difference]: Start difference. First operand 61 states and 75 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), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:00:46,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:00:46,686 INFO L93 Difference]: Finished difference Result 165 states and 209 transitions. [2022-11-16 12:00:46,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:00:46,687 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), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-11-16 12:00:46,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:00:46,690 INFO L225 Difference]: With dead ends: 165 [2022-11-16 12:00:46,691 INFO L226 Difference]: Without dead ends: 112 [2022-11-16 12:00:46,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:00:46,697 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 44 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:00:46,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 357 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:00:46,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-11-16 12:00:46,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2022-11-16 12:00:46,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 80 states have (on average 1.275) internal successors, (102), 89 states have internal predecessors, (102), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 14 states have call predecessors, (17), 16 states have call successors, (17) [2022-11-16 12:00:46,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 135 transitions. [2022-11-16 12:00:46,716 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 135 transitions. Word has length 36 [2022-11-16 12:00:46,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:00:46,717 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 135 transitions. [2022-11-16 12:00:46,717 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), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:00:46,717 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 135 transitions. [2022-11-16 12:00:46,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 12:00:46,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:00:46,719 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:00:46,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:00:46,719 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:00:46,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:00:46,720 INFO L85 PathProgramCache]: Analyzing trace with hash -862641624, now seen corresponding path program 1 times [2022-11-16 12:00:46,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:00:46,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729316410] [2022-11-16 12:00:46,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:00:46,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:00:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:46,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:00:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:46,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:00:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:46,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 12:00:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:00:46,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:00:46,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:00:46,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729316410] [2022-11-16 12:00:46,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729316410] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:00:46,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:00:46,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:00:46,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794041637] [2022-11-16 12:00:46,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:00:46,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:00:46,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:00:46,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:00:46,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:00:46,872 INFO L87 Difference]: Start difference. First operand 109 states and 135 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-16 12:00:46,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:00:46,985 INFO L93 Difference]: Finished difference Result 186 states and 232 transitions. [2022-11-16 12:00:46,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:00:46,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2022-11-16 12:00:46,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:00:46,987 INFO L225 Difference]: With dead ends: 186 [2022-11-16 12:00:46,987 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:00:46,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-16 12:00:46,995 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 47 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:00:46,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 107 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:00:46,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:00:46,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:00:46,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:00:46,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:00:46,997 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2022-11-16 12:00:46,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:00:46,999 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:00:46,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-16 12:00:46,999 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:00:46,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:00:47,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:00:47,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:00:47,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:00:47,534 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-11-16 12:00:47,534 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-11-16 12:00:47,535 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2022-11-16 12:00:47,535 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 816) no Hoare annotation was computed. [2022-11-16 12:00:47,535 INFO L895 garLoopResultBuilder]: At program point L300(line 300) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-16 12:00:47,535 INFO L899 garLoopResultBuilder]: For program point L300-1(line 300) no Hoare annotation was computed. [2022-11-16 12:00:47,535 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 763 786) no Hoare annotation was computed. [2022-11-16 12:00:47,535 INFO L899 garLoopResultBuilder]: For program point L767-1(lines 766 785) no Hoare annotation was computed. [2022-11-16 12:00:47,535 INFO L895 garLoopResultBuilder]: At program point L850(lines 845 852) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 12:00:47,536 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-11-16 12:00:47,536 INFO L895 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 12:00:47,536 INFO L895 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 12:00:47,536 INFO L899 garLoopResultBuilder]: For program point L801-1(line 801) no Hoare annotation was computed. [2022-11-16 12:00:47,536 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2022-11-16 12:00:47,536 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 12:00:47,536 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 316) no Hoare annotation was computed. [2022-11-16 12:00:47,536 INFO L895 garLoopResultBuilder]: At program point L814(line 814) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-16 12:00:47,537 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 319) no Hoare annotation was computed. [2022-11-16 12:00:47,537 INFO L895 garLoopResultBuilder]: At program point L814-1(lines 795 819) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-16 12:00:47,537 INFO L895 garLoopResultBuilder]: At program point L141(lines 136 143) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-16 12:00:47,537 INFO L895 garLoopResultBuilder]: At program point L302-1(lines 294 322) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~1#1| 0)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-11-16 12:00:47,537 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 313) no Hoare annotation was computed. [2022-11-16 12:00:47,537 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 763 786) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-16 12:00:47,537 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 763 786) no Hoare annotation was computed. [2022-11-16 12:00:47,538 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2022-11-16 12:00:47,538 INFO L899 garLoopResultBuilder]: For program point L774-1(lines 774 780) no Hoare annotation was computed. [2022-11-16 12:00:47,538 INFO L895 garLoopResultBuilder]: At program point L869(lines 864 872) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-11-16 12:00:47,538 INFO L899 garLoopResultBuilder]: For program point L803(lines 803 811) no Hoare annotation was computed. [2022-11-16 12:00:47,538 INFO L902 garLoopResultBuilder]: At program point L195-2(lines 195 209) the Hoare annotation is: true [2022-11-16 12:00:47,538 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 185 214) no Hoare annotation was computed. [2022-11-16 12:00:47,538 INFO L902 garLoopResultBuilder]: At program point L191(line 191) the Hoare annotation is: true [2022-11-16 12:00:47,538 INFO L899 garLoopResultBuilder]: For program point L191-1(line 191) no Hoare annotation was computed. [2022-11-16 12:00:47,539 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 185 214) the Hoare annotation is: true [2022-11-16 12:00:47,539 INFO L902 garLoopResultBuilder]: At program point L210(lines 185 214) the Hoare annotation is: true [2022-11-16 12:00:47,542 INFO L899 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2022-11-16 12:00:47,542 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 203) no Hoare annotation was computed. [2022-11-16 12:00:47,542 INFO L902 garLoopResultBuilder]: At program point L199-1(lines 199 203) the Hoare annotation is: true [2022-11-16 12:00:47,543 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-11-16 12:00:47,544 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 94 102) the Hoare annotation is: true [2022-11-16 12:00:47,544 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 94 102) no Hoare annotation was computed. [2022-11-16 12:00:47,545 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2022-11-16 12:00:47,545 INFO L902 garLoopResultBuilder]: At program point L279(lines 260 282) the Hoare annotation is: true [2022-11-16 12:00:47,545 INFO L899 garLoopResultBuilder]: For program point L721(lines 721 727) no Hoare annotation was computed. [2022-11-16 12:00:47,545 INFO L899 garLoopResultBuilder]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2022-11-16 12:00:47,545 INFO L895 garLoopResultBuilder]: At program point L746(lines 701 748) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:00:47,547 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:00:47,548 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:00:47,548 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:00:47,548 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:00:47,548 INFO L899 garLoopResultBuilder]: For program point L739(lines 739 743) no Hoare annotation was computed. [2022-11-16 12:00:47,548 INFO L895 garLoopResultBuilder]: At program point L739-2(lines 731 744) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:00:47,549 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:00:47,549 INFO L899 garLoopResultBuilder]: For program point L702(lines 701 748) no Hoare annotation was computed. [2022-11-16 12:00:47,549 INFO L899 garLoopResultBuilder]: For program point L731(lines 731 744) no Hoare annotation was computed. [2022-11-16 12:00:47,549 INFO L895 garLoopResultBuilder]: At program point L244(lines 240 246) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-16 12:00:47,549 INFO L895 garLoopResultBuilder]: At program point L723(line 723) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:00:47,550 INFO L895 garLoopResultBuilder]: At program point L178(lines 173 181) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-16 12:00:47,550 INFO L902 garLoopResultBuilder]: At program point L752(lines 691 756) the Hoare annotation is: true [2022-11-16 12:00:47,550 INFO L895 garLoopResultBuilder]: At program point L170(lines 166 172) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 12:00:47,550 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2022-11-16 12:00:47,550 INFO L899 garLoopResultBuilder]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2022-11-16 12:00:47,551 INFO L902 garLoopResultBuilder]: At program point L257(lines 249 259) the Hoare annotation is: true [2022-11-16 12:00:47,551 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 707) no Hoare annotation was computed. [2022-11-16 12:00:47,551 INFO L895 garLoopResultBuilder]: At program point L914(lines 909 916) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 12:00:47,551 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 277) no Hoare annotation was computed. [2022-11-16 12:00:47,551 INFO L895 garLoopResultBuilder]: At program point L749(lines 700 750) the Hoare annotation is: false [2022-11-16 12:00:47,552 INFO L899 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2022-11-16 12:00:47,552 INFO L895 garLoopResultBuilder]: At program point L163(lines 159 165) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-16 12:00:47,552 INFO L895 garLoopResultBuilder]: At program point L291(lines 286 293) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-16 12:00:47,553 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-11-16 12:00:47,553 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2022-11-16 12:00:47,554 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2022-11-16 12:00:47,554 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 787 793) no Hoare annotation was computed. [2022-11-16 12:00:47,554 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 787 793) the Hoare annotation is: true [2022-11-16 12:00:47,554 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 853 863) the Hoare annotation is: true [2022-11-16 12:00:47,554 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 853 863) no Hoare annotation was computed. [2022-11-16 12:00:47,554 INFO L902 garLoopResultBuilder]: At program point L858(line 858) the Hoare annotation is: true [2022-11-16 12:00:47,555 INFO L899 garLoopResultBuilder]: For program point L858-1(line 858) no Hoare annotation was computed. [2022-11-16 12:00:47,555 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 853 863) no Hoare annotation was computed. [2022-11-16 12:00:47,558 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 12:00:47,560 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:00:47,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:00:47 BoogieIcfgContainer [2022-11-16 12:00:47,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:00:47,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:00:47,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:00:47,593 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:00:47,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:00:45" (3/4) ... [2022-11-16 12:00:47,596 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:00:47,602 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 12:00:47,603 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 12:00:47,603 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 12:00:47,603 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-16 12:00:47,603 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 12:00:47,604 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:00:47,604 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-16 12:00:47,615 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-11-16 12:00:47,615 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 12:00:47,616 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 12:00:47,616 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 12:00:47,616 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:00:47,617 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:00:47,617 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:00:47,645 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-11-16 12:00:47,645 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-11-16 12:00:47,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2022-11-16 12:00:47,647 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 [2022-11-16 12:00:47,648 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-16 12:00:47,649 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-11-16 12:00:47,651 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 [2022-11-16 12:00:47,651 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2022-11-16 12:00:47,651 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-16 12:00:47,651 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-11-16 12:00:47,652 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-16 12:00:47,686 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:00:47,686 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:00:47,687 INFO L158 Benchmark]: Toolchain (without parser) took 3803.69ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 68.5MB in the beginning and 46.2MB in the end (delta: 22.2MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2022-11-16 12:00:47,687 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:00:47,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.10ms. Allocated memory is still 115.3MB. Free memory was 68.3MB in the beginning and 80.5MB in the end (delta: -12.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 12:00:47,688 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.53ms. Allocated memory is still 115.3MB. Free memory was 80.5MB in the beginning and 78.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:00:47,688 INFO L158 Benchmark]: Boogie Preprocessor took 28.41ms. Allocated memory is still 115.3MB. Free memory was 78.0MB in the beginning and 76.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:00:47,689 INFO L158 Benchmark]: RCFGBuilder took 587.39ms. Allocated memory is still 115.3MB. Free memory was 76.3MB in the beginning and 59.3MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 12:00:47,689 INFO L158 Benchmark]: TraceAbstraction took 2425.98ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 58.8MB in the beginning and 51.5MB in the end (delta: 7.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-16 12:00:47,689 INFO L158 Benchmark]: Witness Printer took 94.24ms. Allocated memory is still 151.0MB. Free memory was 51.5MB in the beginning and 46.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:00:47,696 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.10ms. Allocated memory is still 115.3MB. Free memory was 68.3MB in the beginning and 80.5MB in the end (delta: -12.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.53ms. Allocated memory is still 115.3MB. Free memory was 80.5MB in the beginning and 78.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.41ms. Allocated memory is still 115.3MB. Free memory was 78.0MB in the beginning and 76.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 587.39ms. Allocated memory is still 115.3MB. Free memory was 76.3MB in the beginning and 59.3MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2425.98ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 58.8MB in the beginning and 51.5MB in the end (delta: 7.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 94.24ms. Allocated memory is still 151.0MB. Free memory was 51.5MB in the beginning and 46.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 140]: 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 8 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 256 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 249 mSDsluCounter, 839 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 488 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 161 IncrementalHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 351 mSDtfsCounter, 161 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=109occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 199 PreInvPairs, 223 NumberOfFragments, 323 HoareAnnotationTreeSize, 199 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 36 FomulaSimplificationsInter, 463 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 325 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: 864]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive RESULT: Ultimate proved your program to be correct! [2022-11-16 12:00:47,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfa4e44e-4407-42c8-ab53-1c762d400fa4/bin/uautomizer-tPACEb0tL8/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