./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ --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 355b5902b5f931f50c54d9516b33231d0a6419b36d45cf753c504688535a3e74 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:54:48,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:54:48,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:54:48,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:54:48,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:54:48,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:54:48,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:54:48,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:54:48,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:54:48,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:54:48,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:54:48,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:54:48,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:54:48,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:54:48,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:54:48,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:54:48,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:54:48,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:54:48,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:54:48,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:54:48,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:54:48,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:54:48,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:54:48,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:54:48,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:54:48,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:54:48,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:54:48,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:54:48,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:54:48,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:54:48,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:54:48,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:54:48,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:54:48,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:54:48,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:54:48,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:54:48,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:54:48,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:54:48,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:54:48,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:54:48,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:54:48,727 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:54:48,791 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:54:48,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:54:48,793 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:54:48,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:54:48,794 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:54:48,794 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:54:48,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:54:48,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:54:48,796 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:54:48,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:54:48,798 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:54:48,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:54:48,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:54:48,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:54:48,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:54:48,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:54:48,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:54:48,800 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:54:48,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:54:48,801 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:54:48,801 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:54:48,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:54:48,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:54:48,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:54:48,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:54:48,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:54:48,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:54:48,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:54:48,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:54:48,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:54:48,813 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:54:48,813 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:54:48,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:54:48,814 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_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355b5902b5f931f50c54d9516b33231d0a6419b36d45cf753c504688535a3e74 [2022-10-17 10:54:49,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:54:49,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:54:49,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:54:49,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:54:49,164 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:54:49,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2022-10-17 10:54:49,248 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/data/5397dd7e9/1671810191d6485bb156ae235ceb8b57/FLAG1a6739b18 [2022-10-17 10:54:49,983 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:54:49,984 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2022-10-17 10:54:50,000 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/data/5397dd7e9/1671810191d6485bb156ae235ceb8b57/FLAG1a6739b18 [2022-10-17 10:54:50,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/data/5397dd7e9/1671810191d6485bb156ae235ceb8b57 [2022-10-17 10:54:50,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:54:50,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:54:50,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:54:50,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:54:50,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:54:50,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:54:50" (1/1) ... [2022-10-17 10:54:50,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77687e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:50, skipping insertion in model container [2022-10-17 10:54:50,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:54:50" (1/1) ... [2022-10-17 10:54:50,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:54:50,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:54:50,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1605,1618] [2022-10-17 10:54:50,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:54:50,750 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:54:50,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c[1605,1618] [2022-10-17 10:54:50,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:54:50,851 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:54:50,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:50 WrapperNode [2022-10-17 10:54:50,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:54:50,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:54:50,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:54:50,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:54:50,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:50" (1/1) ... [2022-10-17 10:54:50,881 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:50" (1/1) ... [2022-10-17 10:54:50,921 INFO L138 Inliner]: procedures = 50, calls = 146, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 193 [2022-10-17 10:54:50,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:54:50,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:54:50,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:54:50,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:54:50,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:50" (1/1) ... [2022-10-17 10:54:50,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:50" (1/1) ... [2022-10-17 10:54:50,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:50" (1/1) ... [2022-10-17 10:54:50,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:50" (1/1) ... [2022-10-17 10:54:50,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:50" (1/1) ... [2022-10-17 10:54:50,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:50" (1/1) ... [2022-10-17 10:54:50,962 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:50" (1/1) ... [2022-10-17 10:54:50,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:50" (1/1) ... [2022-10-17 10:54:50,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:54:50,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:54:50,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:54:50,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:54:50,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:50" (1/1) ... [2022-10-17 10:54:50,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:54:51,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:54:51,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:54:51,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:54:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:54:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 10:54:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 10:54:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 10:54:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 10:54:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 10:54:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 10:54:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:54:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 10:54:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 10:54:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:54:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:54:51,215 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:54:51,218 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:54:51,578 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:54:51,585 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:54:51,585 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:54:51,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:54:51 BoogieIcfgContainer [2022-10-17 10:54:51,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:54:51,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:54:51,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:54:51,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:54:51,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:54:50" (1/3) ... [2022-10-17 10:54:51,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@244386ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:54:51, skipping insertion in model container [2022-10-17 10:54:51,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:54:50" (2/3) ... [2022-10-17 10:54:51,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@244386ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:54:51, skipping insertion in model container [2022-10-17 10:54:51,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:54:51" (3/3) ... [2022-10-17 10:54:51,599 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2022-10-17 10:54:51,617 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:54:51,617 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:54:51,684 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:54:51,694 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;@1a9f4621, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:54:51,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:54:51,706 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 50 states have (on average 1.4) internal successors, (70), 54 states have internal predecessors, (70), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-17 10:54:51,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 10:54:51,715 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:54:51,716 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:54:51,717 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:54:51,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:51,724 INFO L85 PathProgramCache]: Analyzing trace with hash -192528358, now seen corresponding path program 1 times [2022-10-17 10:54:51,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:51,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669783824] [2022-10-17 10:54:51,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:51,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:52,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:54:52,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:54:52,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669783824] [2022-10-17 10:54:52,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669783824] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:54:52,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:54:52,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:54:52,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434790932] [2022-10-17 10:54:52,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:54:52,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 10:54:52,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:54:52,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:54:52,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:54:52,090 INFO L87 Difference]: Start difference. First operand has 62 states, 50 states have (on average 1.4) internal successors, (70), 54 states have internal predecessors, (70), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:54:52,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:54:52,118 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2022-10-17 10:54:52,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:54:52,120 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-10-17 10:54:52,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:54:52,128 INFO L225 Difference]: With dead ends: 116 [2022-10-17 10:54:52,129 INFO L226 Difference]: Without dead ends: 53 [2022-10-17 10:54:52,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:54:52,136 INFO L413 NwaCegarLoop]: 76 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, 76 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 [2022-10-17 10:54:52,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:54:52,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-10-17 10:54:52,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-10-17 10:54:52,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 43 states have (on average 1.302325581395349) internal successors, (56), 46 states have internal predecessors, (56), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-17 10:54:52,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2022-10-17 10:54:52,181 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 19 [2022-10-17 10:54:52,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:54:52,182 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2022-10-17 10:54:52,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:54:52,182 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-10-17 10:54:52,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 10:54:52,185 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:54:52,185 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] [2022-10-17 10:54:52,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:54:52,186 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:54:52,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:52,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1987482606, now seen corresponding path program 1 times [2022-10-17 10:54:52,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:52,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105973065] [2022-10-17 10:54:52,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:52,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:54:52,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:54:52,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105973065] [2022-10-17 10:54:52,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105973065] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:54:52,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:54:52,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:54:52,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080888018] [2022-10-17 10:54:52,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:54:52,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:54:52,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:54:52,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:54:52,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:54:52,378 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:54:52,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:54:52,408 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2022-10-17 10:54:52,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:54:52,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-10-17 10:54:52,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:54:52,412 INFO L225 Difference]: With dead ends: 68 [2022-10-17 10:54:52,412 INFO L226 Difference]: Without dead ends: 44 [2022-10-17 10:54:52,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:54:52,419 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 17 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 87 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 [2022-10-17 10:54:52,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 87 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:54:52,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-10-17 10:54:52,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-10-17 10:54:52,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 40 states have internal predecessors, (49), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-17 10:54:52,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2022-10-17 10:54:52,441 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 20 [2022-10-17 10:54:52,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:54:52,443 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 55 transitions. [2022-10-17 10:54:52,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:54:52,444 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2022-10-17 10:54:52,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 10:54:52,447 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:54:52,447 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] [2022-10-17 10:54:52,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:54:52,449 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:54:52,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:52,454 INFO L85 PathProgramCache]: Analyzing trace with hash -296029766, now seen corresponding path program 1 times [2022-10-17 10:54:52,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:52,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742973642] [2022-10-17 10:54:52,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:52,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:52,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:54:52,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:54:52,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742973642] [2022-10-17 10:54:52,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742973642] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:54:52,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:54:52,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:54:52,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822795769] [2022-10-17 10:54:52,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:54:52,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:54:52,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:54:52,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:54:52,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:54:52,591 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:54:52,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:54:52,610 INFO L93 Difference]: Finished difference Result 117 states and 151 transitions. [2022-10-17 10:54:52,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:54:52,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-10-17 10:54:52,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:54:52,612 INFO L225 Difference]: With dead ends: 117 [2022-10-17 10:54:52,612 INFO L226 Difference]: Without dead ends: 80 [2022-10-17 10:54:52,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:54:52,615 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 35 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:54:52,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 102 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:54:52,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-10-17 10:54:52,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 75. [2022-10-17 10:54:52,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 67 states have internal predecessors, (84), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-17 10:54:52,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2022-10-17 10:54:52,630 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 24 [2022-10-17 10:54:52,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:54:52,631 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2022-10-17 10:54:52,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:54:52,631 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2022-10-17 10:54:52,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 10:54:52,632 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:54:52,633 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] [2022-10-17 10:54:52,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:54:52,633 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:54:52,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:52,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1716566345, now seen corresponding path program 1 times [2022-10-17 10:54:52,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:52,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352809219] [2022-10-17 10:54:52,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:52,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:52,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:54:52,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:54:52,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352809219] [2022-10-17 10:54:52,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352809219] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:54:52,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:54:52,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:54:52,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964059864] [2022-10-17 10:54:52,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:54:52,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:54:52,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:54:52,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:54:52,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:54:52,886 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:54:53,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:54:53,031 INFO L93 Difference]: Finished difference Result 243 states and 329 transitions. [2022-10-17 10:54:53,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-17 10:54:53,032 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-10-17 10:54:53,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:54:53,036 INFO L225 Difference]: With dead ends: 243 [2022-10-17 10:54:53,036 INFO L226 Difference]: Without dead ends: 175 [2022-10-17 10:54:53,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-17 10:54:53,039 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 112 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:54:53,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 284 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:54:53,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2022-10-17 10:54:53,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 133. [2022-10-17 10:54:53,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 110 states have (on average 1.3454545454545455) internal successors, (148), 119 states have internal predecessors, (148), 10 states have call successors, (10), 10 states have call predecessors, (10), 12 states have return successors, (14), 12 states have call predecessors, (14), 10 states have call successors, (14) [2022-10-17 10:54:53,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 172 transitions. [2022-10-17 10:54:53,065 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 172 transitions. Word has length 25 [2022-10-17 10:54:53,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:54:53,066 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 172 transitions. [2022-10-17 10:54:53,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:54:53,066 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 172 transitions. [2022-10-17 10:54:53,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 10:54:53,068 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:54:53,068 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] [2022-10-17 10:54:53,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:54:53,069 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:54:53,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:53,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1833945412, now seen corresponding path program 1 times [2022-10-17 10:54:53,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:53,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117358114] [2022-10-17 10:54:53,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:53,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:53,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:54:53,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:54:53,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117358114] [2022-10-17 10:54:53,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117358114] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:54:53,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:54:53,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:54:53,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997691338] [2022-10-17 10:54:53,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:54:53,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:54:53,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:54:53,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:54:53,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:54:53,123 INFO L87 Difference]: Start difference. First operand 133 states and 172 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:54:53,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:54:53,147 INFO L93 Difference]: Finished difference Result 249 states and 327 transitions. [2022-10-17 10:54:53,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:54:53,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-10-17 10:54:53,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:54:53,150 INFO L225 Difference]: With dead ends: 249 [2022-10-17 10:54:53,150 INFO L226 Difference]: Without dead ends: 123 [2022-10-17 10:54:53,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:54:53,160 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 33 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-17 10:54:53,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 46 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-17 10:54:53,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2022-10-17 10:54:53,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2022-10-17 10:54:53,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 100 states have (on average 1.28) internal successors, (128), 109 states have internal predecessors, (128), 10 states have call successors, (10), 10 states have call predecessors, (10), 12 states have return successors, (12), 12 states have call predecessors, (12), 10 states have call successors, (12) [2022-10-17 10:54:53,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 150 transitions. [2022-10-17 10:54:53,194 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 150 transitions. Word has length 27 [2022-10-17 10:54:53,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:54:53,195 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 150 transitions. [2022-10-17 10:54:53,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:54:53,196 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 150 transitions. [2022-10-17 10:54:53,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 10:54:53,204 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:54:53,204 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:54:53,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 10:54:53,205 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:54:53,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:53,205 INFO L85 PathProgramCache]: Analyzing trace with hash 957939555, now seen corresponding path program 1 times [2022-10-17 10:54:53,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:53,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710637187] [2022-10-17 10:54:53,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:53,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:53,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:54:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:53,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:54:53,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:54:53,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710637187] [2022-10-17 10:54:53,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710637187] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:54:53,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:54:53,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-17 10:54:53,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924188922] [2022-10-17 10:54:53,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:54:53,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-17 10:54:53,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:54:53,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-17 10:54:53,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-17 10:54:53,458 INFO L87 Difference]: Start difference. First operand 123 states and 150 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 6 states have internal predecessors, (26), 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) [2022-10-17 10:54:53,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:54:53,698 INFO L93 Difference]: Finished difference Result 355 states and 445 transitions. [2022-10-17 10:54:53,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-17 10:54:53,700 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 6 states have internal predecessors, (26), 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 29 [2022-10-17 10:54:53,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:54:53,708 INFO L225 Difference]: With dead ends: 355 [2022-10-17 10:54:53,708 INFO L226 Difference]: Without dead ends: 239 [2022-10-17 10:54:53,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2022-10-17 10:54:53,712 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 142 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:54:53,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 244 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:54:53,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2022-10-17 10:54:53,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 180. [2022-10-17 10:54:53,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 145 states have (on average 1.2689655172413794) internal successors, (184), 158 states have internal predecessors, (184), 16 states have call successors, (16), 16 states have call predecessors, (16), 18 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) [2022-10-17 10:54:53,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 218 transitions. [2022-10-17 10:54:53,763 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 218 transitions. Word has length 29 [2022-10-17 10:54:53,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:54:53,764 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 218 transitions. [2022-10-17 10:54:53,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 6 states have internal predecessors, (26), 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) [2022-10-17 10:54:53,764 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 218 transitions. [2022-10-17 10:54:53,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 10:54:53,774 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:54:53,774 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:54:53,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-17 10:54:53,775 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:54:53,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:54:53,775 INFO L85 PathProgramCache]: Analyzing trace with hash -426576330, now seen corresponding path program 1 times [2022-10-17 10:54:53,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:54:53,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965322868] [2022-10-17 10:54:53,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:53,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:54:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:53,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:54:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:53,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:54:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:53,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-17 10:54:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:53,966 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 10:54:53,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:54:53,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965322868] [2022-10-17 10:54:53,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965322868] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:54:53,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200249464] [2022-10-17 10:54:53,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:54:53,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:54:53,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:54:53,972 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:54:53,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 10:54:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:54:54,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 10:54:54,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:54:54,285 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 10:54:54,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:54:54,566 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:54:54,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200249464] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:54:54,567 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:54:54,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 14 [2022-10-17 10:54:54,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899540811] [2022-10-17 10:54:54,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:54:54,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-17 10:54:54,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:54:54,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-17 10:54:54,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2022-10-17 10:54:54,570 INFO L87 Difference]: Start difference. First operand 180 states and 218 transitions. Second operand has 14 states, 14 states have (on average 6.0) internal successors, (84), 12 states have internal predecessors, (84), 4 states have call successors, (10), 6 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-17 10:54:54,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:54:54,781 INFO L93 Difference]: Finished difference Result 237 states and 290 transitions. [2022-10-17 10:54:54,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:54:54,781 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.0) internal successors, (84), 12 states have internal predecessors, (84), 4 states have call successors, (10), 6 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 51 [2022-10-17 10:54:54,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:54:54,782 INFO L225 Difference]: With dead ends: 237 [2022-10-17 10:54:54,782 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 10:54:54,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 94 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2022-10-17 10:54:54,784 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 129 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:54:54,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 372 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:54:54,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 10:54:54,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 10:54:54,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:54:54,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:54:54,785 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2022-10-17 10:54:54,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:54:54,786 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:54:54,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.0) internal successors, (84), 12 states have internal predecessors, (84), 4 states have call successors, (10), 6 states have call predecessors, (10), 7 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-17 10:54:54,786 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:54:54,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 10:54:54,789 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 10:54:54,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:54:55,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-10-17 10:54:55,004 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-17 10:54:55,766 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 692 703) the Hoare annotation is: true [2022-10-17 10:54:55,766 INFO L899 garLoopResultBuilder]: For program point L696-1(lines 692 703) no Hoare annotation was computed. [2022-10-17 10:54:55,767 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 692 703) no Hoare annotation was computed. [2022-10-17 10:54:55,767 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 773 802) no Hoare annotation was computed. [2022-10-17 10:54:55,767 INFO L902 garLoopResultBuilder]: At program point L798(lines 773 802) the Hoare annotation is: true [2022-10-17 10:54:55,767 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 773 802) the Hoare annotation is: true [2022-10-17 10:54:55,767 INFO L899 garLoopResultBuilder]: For program point L794(line 794) no Hoare annotation was computed. [2022-10-17 10:54:55,767 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2022-10-17 10:54:55,767 INFO L902 garLoopResultBuilder]: At program point L787-1(lines 787 791) the Hoare annotation is: true [2022-10-17 10:54:55,768 INFO L899 garLoopResultBuilder]: For program point L784(line 784) no Hoare annotation was computed. [2022-10-17 10:54:55,768 INFO L902 garLoopResultBuilder]: At program point L783-2(lines 783 797) the Hoare annotation is: true [2022-10-17 10:54:55,768 INFO L902 garLoopResultBuilder]: At program point L779(line 779) the Hoare annotation is: true [2022-10-17 10:54:55,768 INFO L899 garLoopResultBuilder]: For program point L779-1(line 779) no Hoare annotation was computed. [2022-10-17 10:54:55,768 INFO L895 garLoopResultBuilder]: At program point L609(lines 604 612) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-10-17 10:54:55,769 INFO L895 garLoopResultBuilder]: At program point L574(lines 570 576) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2022-10-17 10:54:55,769 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 764) no Hoare annotation was computed. [2022-10-17 10:54:55,769 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-10-17 10:54:55,769 INFO L899 garLoopResultBuilder]: For program point L754(lines 754 767) no Hoare annotation was computed. [2022-10-17 10:54:55,769 INFO L895 garLoopResultBuilder]: At program point L754-1(lines 746 770) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1| 0))) (.cse2 (not (= |timeShift_getWaterLevel_#res#1| 0)))) (and (or .cse0 (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 (= ~waterLevel~0 1))))) [2022-10-17 10:54:55,769 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 546 569) no Hoare annotation was computed. [2022-10-17 10:54:55,770 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 549 568) no Hoare annotation was computed. [2022-10-17 10:54:55,770 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 676) no Hoare annotation was computed. [2022-10-17 10:54:55,770 INFO L895 garLoopResultBuilder]: At program point L672-2(lines 668 679) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-10-17 10:54:55,770 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|))) [2022-10-17 10:54:55,770 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 546 569) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2022-10-17 10:54:55,770 INFO L899 garLoopResultBuilder]: For program point L557-1(lines 557 563) no Hoare annotation was computed. [2022-10-17 10:54:55,771 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 546 569) no Hoare annotation was computed. [2022-10-17 10:54:55,771 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-10-17 10:54:55,771 INFO L895 garLoopResultBuilder]: At program point L741(lines 736 744) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (not (= |timeShift_getWaterLevel_#res#1| 0)))) (and (or (and .cse0 (= ~waterLevel~0 1)) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse1 (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-10-17 10:54:55,771 INFO L895 garLoopResultBuilder]: At program point L514-2(lines 508 521) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-10-17 10:54:55,771 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 504) no Hoare annotation was computed. [2022-10-17 10:54:55,772 INFO L899 garLoopResultBuilder]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2022-10-17 10:54:55,772 INFO L895 garLoopResultBuilder]: At program point L523(lines 478 525) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-10-17 10:54:55,772 INFO L895 garLoopResultBuilder]: At program point L490(line 490) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-10-17 10:54:55,772 INFO L902 garLoopResultBuilder]: At program point L841(lines 834 843) the Hoare annotation is: true [2022-10-17 10:54:55,772 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-17 10:54:55,772 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-17 10:54:55,772 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-17 10:54:55,773 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 861) no Hoare annotation was computed. [2022-10-17 10:54:55,773 INFO L899 garLoopResultBuilder]: For program point L854-2(lines 854 861) no Hoare annotation was computed. [2022-10-17 10:54:55,773 INFO L895 garLoopResultBuilder]: At program point L590(lines 585 592) the Hoare annotation is: false [2022-10-17 10:54:55,773 INFO L895 garLoopResultBuilder]: At program point L458(lines 453 461) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2022-10-17 10:54:55,773 INFO L895 garLoopResultBuilder]: At program point L450(lines 446 452) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2022-10-17 10:54:55,774 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-17 10:54:55,774 INFO L899 garLoopResultBuilder]: For program point L479(lines 478 525) no Hoare annotation was computed. [2022-10-17 10:54:55,774 INFO L902 garLoopResultBuilder]: At program point L863(lines 844 866) the Hoare annotation is: true [2022-10-17 10:54:55,774 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-10-17 10:54:55,774 INFO L895 garLoopResultBuilder]: At program point L661(lines 649 663) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-10-17 10:54:55,775 INFO L895 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2022-10-17 10:54:55,775 INFO L902 garLoopResultBuilder]: At program point L529(lines 468 533) the Hoare annotation is: true [2022-10-17 10:54:55,775 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 659) no Hoare annotation was computed. [2022-10-17 10:54:55,775 INFO L899 garLoopResultBuilder]: For program point L653-2(lines 653 659) no Hoare annotation was computed. [2022-10-17 10:54:55,775 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 494) no Hoare annotation was computed. [2022-10-17 10:54:55,776 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2022-10-17 10:54:55,776 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 484) no Hoare annotation was computed. [2022-10-17 10:54:55,776 INFO L895 garLoopResultBuilder]: At program point L831(lines 827 833) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2022-10-17 10:54:55,776 INFO L895 garLoopResultBuilder]: At program point L443(lines 439 445) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~waterLevel~0 ~systemActive~0)) [2022-10-17 10:54:55,776 INFO L895 garLoopResultBuilder]: At program point L526(lines 477 527) the Hoare annotation is: false [2022-10-17 10:54:55,776 INFO L899 garLoopResultBuilder]: For program point L514(lines 514 520) no Hoare annotation was computed. [2022-10-17 10:54:55,777 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 680 691) no Hoare annotation was computed. [2022-10-17 10:54:55,777 INFO L899 garLoopResultBuilder]: For program point L684-1(lines 680 691) no Hoare annotation was computed. [2022-10-17 10:54:55,777 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 680 691) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2022-10-17 10:54:55,780 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:54:55,782 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:54:55,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:54:55 BoogieIcfgContainer [2022-10-17 10:54:55,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:54:55,801 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:54:55,801 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:54:55,801 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:54:55,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:54:51" (3/4) ... [2022-10-17 10:54:55,804 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 10:54:55,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 10:54:55,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 10:54:55,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 10:54:55,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 10:54:55,819 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-10-17 10:54:55,820 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-10-17 10:54:55,820 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-10-17 10:54:55,821 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 10:54:55,821 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 10:54:55,822 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:54:55,822 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:54:55,848 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || !(1 <= \old(waterLevel)) [2022-10-17 10:54:55,848 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) || \old(waterLevel) == waterLevel) || !(2 <= \old(waterLevel))) && ((!(pumpRunning == 0) || !(\old(waterLevel) == 1)) || waterLevel == 1) [2022-10-17 10:54:55,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && waterLevel == 1) || !(pumpRunning == 0)) || !(\old(waterLevel) == 1)) && ((!(pumpRunning == 0) || (!(\result == 0) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) [2022-10-17 10:54:55,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) || ((!(tmp == 0) && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((!(pumpRunning == 0) || !(\old(waterLevel) == 1)) || ((!(tmp == 0) && !(\result == 0)) && waterLevel == 1)) [2022-10-17 10:54:55,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || !(1 <= \old(waterLevel)) [2022-10-17 10:54:55,850 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(pumpRunning == 0) || !(1 <= \old(waterLevel)) [2022-10-17 10:54:55,869 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:54:55,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:54:55,870 INFO L158 Benchmark]: Toolchain (without parser) took 5621.51ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 59.6MB in the beginning and 103.8MB in the end (delta: -44.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 10:54:55,870 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 107.0MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:54:55,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 602.39ms. Allocated memory is still 107.0MB. Free memory was 59.3MB in the beginning and 70.5MB in the end (delta: -11.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:54:55,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.42ms. Allocated memory is still 107.0MB. Free memory was 70.5MB in the beginning and 68.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:54:55,871 INFO L158 Benchmark]: Boogie Preprocessor took 60.57ms. Allocated memory is still 107.0MB. Free memory was 68.0MB in the beginning and 66.6MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:54:55,872 INFO L158 Benchmark]: RCFGBuilder took 603.32ms. Allocated memory is still 107.0MB. Free memory was 66.6MB in the beginning and 50.5MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 10:54:55,872 INFO L158 Benchmark]: TraceAbstraction took 4210.88ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 49.8MB in the beginning and 108.1MB in the end (delta: -58.2MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2022-10-17 10:54:55,872 INFO L158 Benchmark]: Witness Printer took 68.42ms. Allocated memory is still 157.3MB. Free memory was 108.1MB in the beginning and 103.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 10:54:55,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 107.0MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 602.39ms. Allocated memory is still 107.0MB. Free memory was 59.3MB in the beginning and 70.5MB in the end (delta: -11.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.42ms. Allocated memory is still 107.0MB. Free memory was 70.5MB in the beginning and 68.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.57ms. Allocated memory is still 107.0MB. Free memory was 68.0MB in the beginning and 66.6MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 603.32ms. Allocated memory is still 107.0MB. Free memory was 66.6MB in the beginning and 50.5MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4210.88ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 49.8MB in the beginning and 108.1MB in the end (delta: -58.2MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Witness Printer took 68.42ms. Allocated memory is still 157.3MB. Free memory was 108.1MB in the beginning and 103.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 473 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 468 mSDsluCounter, 1211 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 810 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 292 IncrementalHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 401 mSDtfsCounter, 292 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 104 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred in iteration=6, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 106 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 226 PreInvPairs, 260 NumberOfFragments, 336 HoareAnnotationTreeSize, 226 FomulaSimplifications, 259 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 28 FomulaSimplificationsInter, 2006 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 769 SizeOfPredicates, 0 NumberOfNonLiveVariables, 344 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 51/57 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: 736]: Loop Invariant Derived loop invariant: (((!(\result == 0) && waterLevel == 1) || !(pumpRunning == 0)) || !(\old(waterLevel) == 1)) && ((!(pumpRunning == 0) || (!(\result == 0) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 468]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && waterLevel == systemActive - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) || ((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || \old(waterLevel) == waterLevel) || !(2 <= \old(waterLevel))) && ((!(pumpRunning == 0) || !(\old(waterLevel) == 1)) || waterLevel == 1) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || ((!(tmp == 0) && !(\result == 0)) && \old(waterLevel) == waterLevel)) || !(2 <= \old(waterLevel))) && ((!(pumpRunning == 0) || !(\old(waterLevel) == 1)) || ((!(tmp == 0) && !(\result == 0)) && waterLevel == 1)) - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-10-17 10:54:55,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2a23dd1-2554-44bc-90f6-5747f2df2a82/bin/uautomizer-J5u9QxTXDZ/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