./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro --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 797436b26f0180d1dd4048b2036765c1f76ffc9f34d72e35837e9efcc5780486 --- 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-8393723 [2022-11-18 19:47:02,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:47:02,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:47:02,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:47:02,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:47:02,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:47:02,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:47:02,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:47:02,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:47:02,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:47:02,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:47:02,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:47:02,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:47:02,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:47:02,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:47:02,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:47:02,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:47:02,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:47:02,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:47:02,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:47:02,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:47:02,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:47:02,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:47:02,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:47:02,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:47:02,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:47:02,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:47:02,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:47:02,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:47:02,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:47:02,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:47:02,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:47:02,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:47:02,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:47:02,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:47:02,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:47:02,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:47:02,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:47:02,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:47:02,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:47:02,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:47:02,883 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 19:47:02,918 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:47:02,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:47:02,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:47:02,919 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:47:02,920 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:47:02,920 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:47:02,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:47:02,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:47:02,921 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:47:02,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:47:02,922 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:47:02,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:47:02,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:47:02,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:47:02,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:47:02,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:47:02,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:47:02,924 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:47:02,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:47:02,924 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:47:02,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:47:02,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:47:02,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:47:02,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:47:02,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:47:02,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:47:02,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:47:02,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:47:02,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:47:02,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:47:02,927 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:47:02,927 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:47:02,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:47:02,928 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_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 797436b26f0180d1dd4048b2036765c1f76ffc9f34d72e35837e9efcc5780486 [2022-11-18 19:47:03,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:47:03,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:47:03,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:47:03,249 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:47:03,250 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:47:03,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2022-11-18 19:47:03,318 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/data/22a041d76/ccc174b6e4cb44d8933afade38bd8f56/FLAG7c8a325f4 [2022-11-18 19:47:03,876 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:47:03,877 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c [2022-11-18 19:47:03,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/data/22a041d76/ccc174b6e4cb44d8933afade38bd8f56/FLAG7c8a325f4 [2022-11-18 19:47:04,174 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/data/22a041d76/ccc174b6e4cb44d8933afade38bd8f56 [2022-11-18 19:47:04,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:47:04,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:47:04,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:47:04,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:47:04,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:47:04,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:47:04" (1/1) ... [2022-11-18 19:47:04,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@523699e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:47:04, skipping insertion in model container [2022-11-18 19:47:04,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:47:04" (1/1) ... [2022-11-18 19:47:04,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:47:04,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:47:04,533 WARN L234 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_b7f45043-8e56-4406-b7a0-f2d09672ab15/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c[17766,17779] [2022-11-18 19:47:04,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:47:04,552 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:47:04,665 WARN L234 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_b7f45043-8e56-4406-b7a0-f2d09672ab15/sv-benchmarks/c/product-lines/minepump_spec2_product48.cil.c[17766,17779] [2022-11-18 19:47:04,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:47:04,700 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:47:04,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:47:04 WrapperNode [2022-11-18 19:47:04,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:47:04,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:47:04,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:47:04,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:47:04,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:47:04" (1/1) ... [2022-11-18 19:47:04,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:47:04" (1/1) ... [2022-11-18 19:47:04,769 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 196 [2022-11-18 19:47:04,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:47:04,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:47:04,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:47:04,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:47:04,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:47:04" (1/1) ... [2022-11-18 19:47:04,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:47:04" (1/1) ... [2022-11-18 19:47:04,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:47:04" (1/1) ... [2022-11-18 19:47:04,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:47:04" (1/1) ... [2022-11-18 19:47:04,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:47:04" (1/1) ... [2022-11-18 19:47:04,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:47:04" (1/1) ... [2022-11-18 19:47:04,817 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:47:04" (1/1) ... [2022-11-18 19:47:04,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:47:04" (1/1) ... [2022-11-18 19:47:04,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:47:04,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:47:04,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:47:04,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:47:04,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:47:04" (1/1) ... [2022-11-18 19:47:04,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:47:04,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:47:04,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:47:04,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:47:04,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:47:04,906 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-18 19:47:04,906 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-18 19:47:04,906 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-18 19:47:04,907 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-18 19:47:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-18 19:47:04,907 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-18 19:47:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-18 19:47:04,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-18 19:47:04,908 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-18 19:47:04,908 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-18 19:47:04,908 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-18 19:47:04,909 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-18 19:47:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-18 19:47:04,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-18 19:47:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-18 19:47:04,909 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-18 19:47:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:47:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-18 19:47:04,910 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-18 19:47:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:47:04,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:47:04,988 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:47:04,990 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:47:05,379 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:47:05,389 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:47:05,389 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 19:47:05,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:47:05 BoogieIcfgContainer [2022-11-18 19:47:05,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:47:05,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:47:05,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:47:05,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:47:05,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:47:04" (1/3) ... [2022-11-18 19:47:05,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4b5f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:47:05, skipping insertion in model container [2022-11-18 19:47:05,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:47:04" (2/3) ... [2022-11-18 19:47:05,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4b5f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:47:05, skipping insertion in model container [2022-11-18 19:47:05,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:47:05" (3/3) ... [2022-11-18 19:47:05,407 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2022-11-18 19:47:05,430 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:47:05,431 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:47:05,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:47:05,500 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;@645f0eea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:47:05,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:47:05,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-18 19:47:05,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 19:47:05,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:05,515 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:05,516 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:05,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:05,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1420238352, now seen corresponding path program 1 times [2022-11-18 19:47:05,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:05,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851140062] [2022-11-18 19:47:05,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:05,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:05,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 19:47:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:05,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:47:05,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:05,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851140062] [2022-11-18 19:47:05,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851140062] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:05,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:05,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:47:05,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49876619] [2022-11-18 19:47:05,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:05,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 19:47:05,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:05,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 19:47:05,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 19:47:05,811 INFO L87 Difference]: Start difference. First operand has 103 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:47:05,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:05,853 INFO L93 Difference]: Finished difference Result 197 states and 266 transitions. [2022-11-18 19:47:05,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 19:47:05,855 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-18 19:47:05,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:05,864 INFO L225 Difference]: With dead ends: 197 [2022-11-18 19:47:05,864 INFO L226 Difference]: Without dead ends: 94 [2022-11-18 19:47:05,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 19:47:05,872 INFO L413 NwaCegarLoop]: 130 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, 130 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:05,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:47:05,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-18 19:47:05,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-11-18 19:47:05,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 77 states have internal predecessors, (90), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-18 19:47:05,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 121 transitions. [2022-11-18 19:47:05,955 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 121 transitions. Word has length 25 [2022-11-18 19:47:05,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:05,956 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 121 transitions. [2022-11-18 19:47:05,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:47:05,956 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2022-11-18 19:47:05,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-18 19:47:05,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:05,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:05,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:47:05,960 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:05,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:05,960 INFO L85 PathProgramCache]: Analyzing trace with hash -193757144, now seen corresponding path program 1 times [2022-11-18 19:47:05,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:05,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260733248] [2022-11-18 19:47:05,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:05,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:06,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 19:47:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:06,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:47:06,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:06,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260733248] [2022-11-18 19:47:06,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260733248] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:06,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:06,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:47:06,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112593475] [2022-11-18 19:47:06,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:06,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:47:06,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:06,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:47:06,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:47:06,114 INFO L87 Difference]: Start difference. First operand 94 states and 121 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:47:06,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:06,136 INFO L93 Difference]: Finished difference Result 148 states and 190 transitions. [2022-11-18 19:47:06,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:47:06,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-18 19:47:06,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:06,139 INFO L225 Difference]: With dead ends: 148 [2022-11-18 19:47:06,139 INFO L226 Difference]: Without dead ends: 85 [2022-11-18 19:47:06,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:47:06,141 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 17 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:06,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 194 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:47:06,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-11-18 19:47:06,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-11-18 19:47:06,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 71 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 19:47:06,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2022-11-18 19:47:06,153 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 26 [2022-11-18 19:47:06,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:06,154 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2022-11-18 19:47:06,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:47:06,154 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2022-11-18 19:47:06,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-18 19:47:06,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:06,156 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:06,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:47:06,156 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:06,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:06,157 INFO L85 PathProgramCache]: Analyzing trace with hash -150671396, now seen corresponding path program 1 times [2022-11-18 19:47:06,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:06,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618670518] [2022-11-18 19:47:06,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:06,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:06,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:47:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:06,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:47:06,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:06,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618670518] [2022-11-18 19:47:06,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618670518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:06,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:06,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:47:06,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405593049] [2022-11-18 19:47:06,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:06,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:47:06,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:06,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:47:06,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:47:06,277 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:47:06,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:06,322 INFO L93 Difference]: Finished difference Result 237 states and 310 transitions. [2022-11-18 19:47:06,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:47:06,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-11-18 19:47:06,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:06,325 INFO L225 Difference]: With dead ends: 237 [2022-11-18 19:47:06,326 INFO L226 Difference]: Without dead ends: 160 [2022-11-18 19:47:06,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:47:06,328 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 86 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:06,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 235 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:47:06,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-18 19:47:06,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 157. [2022-11-18 19:47:06,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 114 states have (on average 1.3421052631578947) internal successors, (153), 129 states have internal predecessors, (153), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2022-11-18 19:47:06,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 205 transitions. [2022-11-18 19:47:06,357 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 205 transitions. Word has length 31 [2022-11-18 19:47:06,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:06,358 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 205 transitions. [2022-11-18 19:47:06,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:47:06,358 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 205 transitions. [2022-11-18 19:47:06,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-18 19:47:06,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:06,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:06,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:47:06,360 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:06,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:06,361 INFO L85 PathProgramCache]: Analyzing trace with hash 153261204, now seen corresponding path program 1 times [2022-11-18 19:47:06,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:06,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810153158] [2022-11-18 19:47:06,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:06,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:06,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 19:47:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:06,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:47:06,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:06,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810153158] [2022-11-18 19:47:06,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810153158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:06,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:06,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:47:06,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655945536] [2022-11-18 19:47:06,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:06,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:47:06,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:06,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:47:06,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:47:06,545 INFO L87 Difference]: Start difference. First operand 157 states and 205 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:47:06,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:06,661 INFO L93 Difference]: Finished difference Result 413 states and 548 transitions. [2022-11-18 19:47:06,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:47:06,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-11-18 19:47:06,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:06,664 INFO L225 Difference]: With dead ends: 413 [2022-11-18 19:47:06,665 INFO L226 Difference]: Without dead ends: 264 [2022-11-18 19:47:06,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:47:06,668 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 69 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:06,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 407 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 19:47:06,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2022-11-18 19:47:06,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 251. [2022-11-18 19:47:06,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 184 states have (on average 1.2934782608695652) internal successors, (238), 201 states have internal predecessors, (238), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2022-11-18 19:47:06,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 318 transitions. [2022-11-18 19:47:06,722 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 318 transitions. Word has length 34 [2022-11-18 19:47:06,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:06,723 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 318 transitions. [2022-11-18 19:47:06,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 19:47:06,724 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 318 transitions. [2022-11-18 19:47:06,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-18 19:47:06,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:06,729 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:06,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:47:06,730 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:06,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:06,732 INFO L85 PathProgramCache]: Analyzing trace with hash -622748863, now seen corresponding path program 1 times [2022-11-18 19:47:06,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:06,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835911263] [2022-11-18 19:47:06,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:06,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:47:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:07,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:07,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:07,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 19:47:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:07,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:47:07,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:07,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835911263] [2022-11-18 19:47:07,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835911263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:07,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:07,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:47:07,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971166402] [2022-11-18 19:47:07,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:07,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:47:07,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:07,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:47:07,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:47:07,103 INFO L87 Difference]: Start difference. First operand 251 states and 318 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 19:47:07,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:07,402 INFO L93 Difference]: Finished difference Result 558 states and 727 transitions. [2022-11-18 19:47:07,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:47:07,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2022-11-18 19:47:07,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:07,411 INFO L225 Difference]: With dead ends: 558 [2022-11-18 19:47:07,411 INFO L226 Difference]: Without dead ends: 315 [2022-11-18 19:47:07,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:47:07,424 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 67 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:07,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 363 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:47:07,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2022-11-18 19:47:07,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 303. [2022-11-18 19:47:07,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 226 states have (on average 1.2743362831858407) internal successors, (288), 243 states have internal predecessors, (288), 40 states have call successors, (40), 30 states have call predecessors, (40), 36 states have return successors, (54), 41 states have call predecessors, (54), 40 states have call successors, (54) [2022-11-18 19:47:07,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 382 transitions. [2022-11-18 19:47:07,505 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 382 transitions. Word has length 57 [2022-11-18 19:47:07,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:07,507 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 382 transitions. [2022-11-18 19:47:07,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 19:47:07,507 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 382 transitions. [2022-11-18 19:47:07,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-18 19:47:07,515 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:07,516 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:07,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:47:07,517 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:07,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:07,518 INFO L85 PathProgramCache]: Analyzing trace with hash 78851011, now seen corresponding path program 1 times [2022-11-18 19:47:07,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:07,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150950439] [2022-11-18 19:47:07,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:07,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:07,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:47:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:07,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:07,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:07,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 19:47:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:07,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:47:07,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:07,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150950439] [2022-11-18 19:47:07,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150950439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:07,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:07,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:47:07,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767313579] [2022-11-18 19:47:07,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:07,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:47:07,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:07,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:47:07,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:47:07,690 INFO L87 Difference]: Start difference. First operand 303 states and 382 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 19:47:08,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:08,038 INFO L93 Difference]: Finished difference Result 622 states and 799 transitions. [2022-11-18 19:47:08,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:47:08,039 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2022-11-18 19:47:08,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:08,043 INFO L225 Difference]: With dead ends: 622 [2022-11-18 19:47:08,043 INFO L226 Difference]: Without dead ends: 327 [2022-11-18 19:47:08,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:47:08,050 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 206 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:08,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 420 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:47:08,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2022-11-18 19:47:08,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 307. [2022-11-18 19:47:08,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 230 states have (on average 1.2695652173913043) internal successors, (292), 247 states have internal predecessors, (292), 40 states have call successors, (40), 30 states have call predecessors, (40), 36 states have return successors, (54), 41 states have call predecessors, (54), 40 states have call successors, (54) [2022-11-18 19:47:08,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 386 transitions. [2022-11-18 19:47:08,096 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 386 transitions. Word has length 57 [2022-11-18 19:47:08,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:08,096 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 386 transitions. [2022-11-18 19:47:08,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 19:47:08,097 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 386 transitions. [2022-11-18 19:47:08,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-18 19:47:08,099 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:08,100 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:08,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:47:08,100 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:08,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:08,101 INFO L85 PathProgramCache]: Analyzing trace with hash 6464453, now seen corresponding path program 1 times [2022-11-18 19:47:08,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:08,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488331890] [2022-11-18 19:47:08,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:08,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:08,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:47:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:08,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:08,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 19:47:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:08,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:47:08,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:08,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488331890] [2022-11-18 19:47:08,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488331890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:08,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:08,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:47:08,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200113084] [2022-11-18 19:47:08,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:08,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:47:08,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:08,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:47:08,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:47:08,250 INFO L87 Difference]: Start difference. First operand 307 states and 386 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 19:47:08,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:08,554 INFO L93 Difference]: Finished difference Result 857 states and 1118 transitions. [2022-11-18 19:47:08,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:47:08,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 57 [2022-11-18 19:47:08,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:08,559 INFO L225 Difference]: With dead ends: 857 [2022-11-18 19:47:08,561 INFO L226 Difference]: Without dead ends: 558 [2022-11-18 19:47:08,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:47:08,567 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 227 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:08,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 314 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 19:47:08,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2022-11-18 19:47:08,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 551. [2022-11-18 19:47:08,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 414 states have (on average 1.2439613526570048) internal successors, (515), 440 states have internal predecessors, (515), 71 states have call successors, (71), 63 states have call predecessors, (71), 65 states have return successors, (109), 70 states have call predecessors, (109), 71 states have call successors, (109) [2022-11-18 19:47:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 695 transitions. [2022-11-18 19:47:08,643 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 695 transitions. Word has length 57 [2022-11-18 19:47:08,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:08,643 INFO L495 AbstractCegarLoop]: Abstraction has 551 states and 695 transitions. [2022-11-18 19:47:08,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-18 19:47:08,650 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 695 transitions. [2022-11-18 19:47:08,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-18 19:47:08,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:08,652 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:08,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:47:08,652 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:08,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:08,653 INFO L85 PathProgramCache]: Analyzing trace with hash -681836693, now seen corresponding path program 1 times [2022-11-18 19:47:08,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:08,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146991152] [2022-11-18 19:47:08,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:08,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:08,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:47:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:08,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:47:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:08,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:08,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:08,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 19:47:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:08,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:47:08,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:08,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146991152] [2022-11-18 19:47:08,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146991152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:08,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:08,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 19:47:08,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388250409] [2022-11-18 19:47:08,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:08,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 19:47:08,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:08,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 19:47:08,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:47:08,972 INFO L87 Difference]: Start difference. First operand 551 states and 695 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 19:47:10,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:10,012 INFO L93 Difference]: Finished difference Result 1825 states and 2419 transitions. [2022-11-18 19:47:10,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-18 19:47:10,013 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2022-11-18 19:47:10,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:10,023 INFO L225 Difference]: With dead ends: 1825 [2022-11-18 19:47:10,023 INFO L226 Difference]: Without dead ends: 1282 [2022-11-18 19:47:10,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2022-11-18 19:47:10,027 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 380 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 1029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:10,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 600 Invalid, 1029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 873 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-18 19:47:10,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1282 states. [2022-11-18 19:47:10,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1282 to 1186. [2022-11-18 19:47:10,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 875 states have (on average 1.2102857142857142) internal successors, (1059), 940 states have internal predecessors, (1059), 168 states have call successors, (168), 122 states have call predecessors, (168), 142 states have return successors, (294), 166 states have call predecessors, (294), 168 states have call successors, (294) [2022-11-18 19:47:10,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1521 transitions. [2022-11-18 19:47:10,173 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1521 transitions. Word has length 61 [2022-11-18 19:47:10,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:10,174 INFO L495 AbstractCegarLoop]: Abstraction has 1186 states and 1521 transitions. [2022-11-18 19:47:10,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 19:47:10,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1521 transitions. [2022-11-18 19:47:10,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-18 19:47:10,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:10,179 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:10,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:47:10,179 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:10,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:10,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1925202297, now seen corresponding path program 1 times [2022-11-18 19:47:10,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:10,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083963472] [2022-11-18 19:47:10,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:10,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:47:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:47:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 19:47:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:47:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:47:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-18 19:47:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 19:47:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:10,348 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-18 19:47:10,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:10,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083963472] [2022-11-18 19:47:10,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083963472] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:10,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:47:10,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 19:47:10,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751614834] [2022-11-18 19:47:10,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:10,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:47:10,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:10,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:47:10,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-18 19:47:10,351 INFO L87 Difference]: Start difference. First operand 1186 states and 1521 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-18 19:47:10,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:10,935 INFO L93 Difference]: Finished difference Result 2013 states and 2570 transitions. [2022-11-18 19:47:10,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 19:47:10,936 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 96 [2022-11-18 19:47:10,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:10,942 INFO L225 Difference]: With dead ends: 2013 [2022-11-18 19:47:10,942 INFO L226 Difference]: Without dead ends: 835 [2022-11-18 19:47:10,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2022-11-18 19:47:10,948 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 433 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:10,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 210 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 19:47:10,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2022-11-18 19:47:11,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 803. [2022-11-18 19:47:11,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 597 states have (on average 1.2010050251256281) internal successors, (717), 643 states have internal predecessors, (717), 109 states have call successors, (109), 86 states have call predecessors, (109), 96 states have return successors, (177), 107 states have call predecessors, (177), 109 states have call successors, (177) [2022-11-18 19:47:11,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1003 transitions. [2022-11-18 19:47:11,040 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1003 transitions. Word has length 96 [2022-11-18 19:47:11,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:11,040 INFO L495 AbstractCegarLoop]: Abstraction has 803 states and 1003 transitions. [2022-11-18 19:47:11,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 4 states have internal predecessors, (71), 4 states have call successors, (10), 6 states have call predecessors, (10), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-18 19:47:11,040 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1003 transitions. [2022-11-18 19:47:11,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-18 19:47:11,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:11,049 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:11,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 19:47:11,049 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:11,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:11,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1888948891, now seen corresponding path program 1 times [2022-11-18 19:47:11,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:11,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259544763] [2022-11-18 19:47:11,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:11,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:47:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:47:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:47:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:47:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:47:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-18 19:47:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-18 19:47:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-18 19:47:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-18 19:47:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,436 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-18 19:47:11,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:11,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259544763] [2022-11-18 19:47:11,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259544763] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:47:11,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613240620] [2022-11-18 19:47:11,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:11,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:47:11,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:47:11,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:47:11,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:47:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:11,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 19:47:11,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:47:11,905 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-18 19:47:11,905 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:47:11,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613240620] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:11,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:47:11,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 23 [2022-11-18 19:47:11,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017055120] [2022-11-18 19:47:11,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:11,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:47:11,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:11,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:47:11,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2022-11-18 19:47:11,908 INFO L87 Difference]: Start difference. First operand 803 states and 1003 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-18 19:47:12,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:12,172 INFO L93 Difference]: Finished difference Result 1600 states and 2004 transitions. [2022-11-18 19:47:12,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:47:12,173 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 114 [2022-11-18 19:47:12,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:12,177 INFO L225 Difference]: With dead ends: 1600 [2022-11-18 19:47:12,177 INFO L226 Difference]: Without dead ends: 805 [2022-11-18 19:47:12,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2022-11-18 19:47:12,180 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 73 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:12,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1009 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:47:12,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2022-11-18 19:47:12,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 803. [2022-11-18 19:47:12,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 597 states have (on average 1.185929648241206) internal successors, (708), 643 states have internal predecessors, (708), 109 states have call successors, (109), 86 states have call predecessors, (109), 96 states have return successors, (158), 107 states have call predecessors, (158), 109 states have call successors, (158) [2022-11-18 19:47:12,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 975 transitions. [2022-11-18 19:47:12,261 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 975 transitions. Word has length 114 [2022-11-18 19:47:12,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:12,262 INFO L495 AbstractCegarLoop]: Abstraction has 803 states and 975 transitions. [2022-11-18 19:47:12,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-18 19:47:12,262 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 975 transitions. [2022-11-18 19:47:12,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-18 19:47:12,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:47:12,265 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:12,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:47:12,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:47:12,472 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:47:12,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:47:12,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1582774687, now seen corresponding path program 1 times [2022-11-18 19:47:12,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:47:12,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308604613] [2022-11-18 19:47:12,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:12,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:47:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:12,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-18 19:47:12,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:12,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-18 19:47:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:12,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 19:47:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:12,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:47:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:12,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:12,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:47:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:12,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 19:47:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:12,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-18 19:47:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:12,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:47:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:12,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:47:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:12,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:47:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 19:47:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 13 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-18 19:47:12,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:47:12,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308604613] [2022-11-18 19:47:12,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308604613] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:47:12,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136768562] [2022-11-18 19:47:12,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:47:12,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:47:12,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:47:12,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:47:12,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:47:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:47:12,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 19:47:12,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:47:13,077 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-18 19:47:13,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:47:13,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136768562] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:47:13,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:47:13,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2022-11-18 19:47:13,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258697124] [2022-11-18 19:47:13,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:47:13,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 19:47:13,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:47:13,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 19:47:13,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-11-18 19:47:13,081 INFO L87 Difference]: Start difference. First operand 803 states and 975 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-18 19:47:13,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:47:13,325 INFO L93 Difference]: Finished difference Result 1389 states and 1709 transitions. [2022-11-18 19:47:13,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 19:47:13,326 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 110 [2022-11-18 19:47:13,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:47:13,327 INFO L225 Difference]: With dead ends: 1389 [2022-11-18 19:47:13,328 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 19:47:13,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2022-11-18 19:47:13,333 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 78 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:47:13,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 1060 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 19:47:13,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 19:47:13,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 19:47:13,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:47:13,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 19:47:13,335 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2022-11-18 19:47:13,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:47:13,336 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 19:47:13,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-18 19:47:13,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 19:47:13,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 19:47:13,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 19:47:13,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:47:13,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:47:13,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 19:47:18,450 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 378 385) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (<= 2 ~waterLevel~0))) (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and .cse0 .cse7)) (.cse5 (not .cse7)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse5 .cse2 .cse6) (or .cse4 .cse5 .cse3 .cse6)))) [2022-11-18 19:47:18,450 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 378 385) no Hoare annotation was computed. [2022-11-18 19:47:18,450 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 378 385) no Hoare annotation was computed. [2022-11-18 19:47:18,450 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2022-11-18 19:47:18,450 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2022-11-18 19:47:18,451 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse3 .cse2 .cse5 .cse4) (or .cse3 .cse1 .cse2 .cse5))) [2022-11-18 19:47:18,451 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2022-11-18 19:47:18,451 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-11-18 19:47:18,451 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 901 930) no Hoare annotation was computed. [2022-11-18 19:47:18,451 INFO L902 garLoopResultBuilder]: At program point L926(lines 901 930) the Hoare annotation is: true [2022-11-18 19:47:18,451 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 901 930) the Hoare annotation is: true [2022-11-18 19:47:18,451 INFO L899 garLoopResultBuilder]: For program point L922(line 922) no Hoare annotation was computed. [2022-11-18 19:47:18,451 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 919) no Hoare annotation was computed. [2022-11-18 19:47:18,451 INFO L902 garLoopResultBuilder]: At program point L915-1(lines 915 919) the Hoare annotation is: true [2022-11-18 19:47:18,451 INFO L899 garLoopResultBuilder]: For program point L912(line 912) no Hoare annotation was computed. [2022-11-18 19:47:18,452 INFO L902 garLoopResultBuilder]: At program point L911-2(lines 911 925) the Hoare annotation is: true [2022-11-18 19:47:18,452 INFO L902 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: true [2022-11-18 19:47:18,452 INFO L899 garLoopResultBuilder]: For program point L907-1(line 907) no Hoare annotation was computed. [2022-11-18 19:47:18,452 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2022-11-18 19:47:18,452 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2022-11-18 19:47:18,452 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 517) no Hoare annotation was computed. [2022-11-18 19:47:18,452 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 520) no Hoare annotation was computed. [2022-11-18 19:47:18,452 INFO L895 garLoopResultBuilder]: At program point L342(line 342) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse0 .cse2) (or .cse3 .cse1 .cse4) (or .cse3 .cse2 .cse4) (or .cse3 .cse0 .cse1))) [2022-11-18 19:47:18,453 INFO L895 garLoopResultBuilder]: At program point L503-1(lines 495 523) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~5#1| 0)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse2) (or .cse0 (and .cse1 .cse6 .cse2) .cse7 .cse4) (or .cse1 .cse5 .cse3) (or .cse0 .cse5 .cse7 .cse2) (or (and (<= 2 ~waterLevel~0) .cse6) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6) .cse5 (and .cse1 .cse6) .cse7))) [2022-11-18 19:47:18,453 INFO L895 garLoopResultBuilder]: At program point L338(line 338) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2 .cse4) (or .cse3 .cse5 .cse4) (or .cse3 .cse1 .cse5) (or .cse3 .cse1 .cse2) (or .cse1 .cse5 (and .cse0 (<= 1 |timeShift_processEnvironment_~tmp~2#1|))))) [2022-11-18 19:47:18,453 INFO L895 garLoopResultBuilder]: At program point L334(line 334) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse2 .cse5) (or .cse4 .cse3 .cse5) (or .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2))) [2022-11-18 19:47:18,453 INFO L899 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2022-11-18 19:47:18,454 INFO L895 garLoopResultBuilder]: At program point L896(lines 891 898) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse4) (or .cse0 .cse3))) [2022-11-18 19:47:18,454 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 514) no Hoare annotation was computed. [2022-11-18 19:47:18,454 INFO L895 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse3 .cse5 .cse4) (or .cse0 .cse5 .cse2))) [2022-11-18 19:47:18,454 INFO L895 garLoopResultBuilder]: At program point L347-1(lines 328 352) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and .cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5) (or .cse6 .cse1 .cse7) (or .cse0 .cse2 .cse8) (or .cse0 .cse7 .cse8) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse1 .cse3 .cse2) (or .cse0 .cse1 .cse7 .cse5)))) [2022-11-18 19:47:18,454 INFO L899 garLoopResultBuilder]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2022-11-18 19:47:18,454 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2022-11-18 19:47:18,455 INFO L895 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse2 .cse5) (or .cse4 .cse3 .cse5) (or .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2))) [2022-11-18 19:47:18,455 INFO L895 garLoopResultBuilder]: At program point L501(line 501) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (and .cse4 .cse10)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and .cse8 .cse4 .cse10)) (.cse7 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5) (or .cse0 .cse2 .cse6 .cse7) (or .cse8 .cse1 .cse9) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse1 .cse3 .cse2) (or .cse0 .cse1 .cse9 .cse5) (or .cse0 .cse9 .cse6 .cse7)))) [2022-11-18 19:47:18,455 INFO L899 garLoopResultBuilder]: For program point L501-1(line 501) no Hoare annotation was computed. [2022-11-18 19:47:18,455 INFO L895 garLoopResultBuilder]: At program point L402(lines 397 405) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse7 (not (= 1 ~systemActive~0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6) (or .cse7 (and .cse2 .cse3) .cse1) (or .cse0 .cse8 .cse6) (or .cse0 .cse7 .cse1 (and .cse4 .cse5)) (or .cse7 .cse8))) [2022-11-18 19:47:18,455 INFO L899 garLoopResultBuilder]: For program point L274-1(lines 273 292) no Hoare annotation was computed. [2022-11-18 19:47:18,456 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 344) no Hoare annotation was computed. [2022-11-18 19:47:18,456 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 0) .cse7 .cse8)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse8)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse3) (or .cse4 .cse6 .cse1)))) [2022-11-18 19:47:18,456 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 349) no Hoare annotation was computed. [2022-11-18 19:47:18,456 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2022-11-18 19:47:18,456 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 895) no Hoare annotation was computed. [2022-11-18 19:47:18,456 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2022-11-18 19:47:18,456 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2022-11-18 19:47:18,456 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2022-11-18 19:47:18,457 INFO L895 garLoopResultBuilder]: At program point L225(line 225) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse5 .cse2))) [2022-11-18 19:47:18,457 INFO L895 garLoopResultBuilder]: At program point L481(lines 476 483) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-11-18 19:47:18,457 INFO L895 garLoopResultBuilder]: At program point L250(lines 203 252) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse5 .cse2))) [2022-11-18 19:47:18,457 INFO L895 garLoopResultBuilder]: At program point L473(lines 461 475) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 0 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2022-11-18 19:47:18,457 INFO L895 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 19:47:18,457 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2022-11-18 19:47:18,458 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2022-11-18 19:47:18,458 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 471) no Hoare annotation was computed. [2022-11-18 19:47:18,458 INFO L895 garLoopResultBuilder]: At program point L176(lines 172 178) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 19:47:18,458 INFO L899 garLoopResultBuilder]: For program point L465-1(lines 465 471) no Hoare annotation was computed. [2022-11-18 19:47:18,458 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 209) no Hoare annotation was computed. [2022-11-18 19:47:18,458 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 19:47:18,458 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 19:47:18,458 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 19:47:18,458 INFO L902 garLoopResultBuilder]: At program point L970(lines 962 972) the Hoare annotation is: true [2022-11-18 19:47:18,459 INFO L895 garLoopResultBuilder]: At program point L169(lines 165 171) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 19:47:18,459 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 19:47:18,459 INFO L902 garLoopResultBuilder]: At program point L256(lines 193 260) the Hoare annotation is: true [2022-11-18 19:47:18,459 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 229) no Hoare annotation was computed. [2022-11-18 19:47:18,459 INFO L899 garLoopResultBuilder]: For program point L223-1(lines 223 229) no Hoare annotation was computed. [2022-11-18 19:47:18,459 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 990) no Hoare annotation was computed. [2022-11-18 19:47:18,459 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse5 .cse2))) [2022-11-18 19:47:18,459 INFO L899 garLoopResultBuilder]: For program point L983-2(lines 983 990) no Hoare annotation was computed. [2022-11-18 19:47:18,460 INFO L895 garLoopResultBuilder]: At program point L467(line 467) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse2 .cse5))) [2022-11-18 19:47:18,460 INFO L895 garLoopResultBuilder]: At program point L492(lines 487 494) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 19:47:18,460 INFO L902 garLoopResultBuilder]: At program point L992(lines 973 995) the Hoare annotation is: true [2022-11-18 19:47:18,460 INFO L895 garLoopResultBuilder]: At program point L959(lines 955 961) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 19:47:18,460 INFO L895 garLoopResultBuilder]: At program point L253(lines 202 254) the Hoare annotation is: false [2022-11-18 19:47:18,460 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 247) no Hoare annotation was computed. [2022-11-18 19:47:18,460 INFO L895 garLoopResultBuilder]: At program point L241-2(lines 233 248) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse0 .cse5 .cse2 .cse3) (and .cse5 .cse4 .cse2))) [2022-11-18 19:47:18,461 INFO L899 garLoopResultBuilder]: For program point L204(lines 203 252) no Hoare annotation was computed. [2022-11-18 19:47:18,461 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 248) no Hoare annotation was computed. [2022-11-18 19:47:18,461 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-11-18 19:47:18,461 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2022-11-18 19:47:18,461 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse5 .cse4 .cse2) (or .cse0 .cse5 .cse1 .cse2))) [2022-11-18 19:47:18,461 INFO L895 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0))) (let ((.cse0 (not .cse2)) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) .cse2 (= |processEnvironment__wrappee__methaneQuery_~tmp~1#1| 0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1)))) [2022-11-18 19:47:18,461 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 318) no Hoare annotation was computed. [2022-11-18 19:47:18,462 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 323) no Hoare annotation was computed. [2022-11-18 19:47:18,462 INFO L895 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse3 (not (= 1 ~systemActive~0))) (.cse1 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 2 ~waterLevel~0))) (and (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse0 .cse1 .cse2) .cse3 (and .cse0 .cse2 .cse4) (not (= ~methaneLevelCritical~0 0)))) (or (not (= |old(~pumpRunning~0)| 0)) .cse3 (and .cse1 .cse2) (not (<= 1 ~methaneLevelCritical~0)) (and .cse2 .cse4)))) [2022-11-18 19:47:18,462 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 374) no Hoare annotation was computed. [2022-11-18 19:47:18,462 INFO L895 garLoopResultBuilder]: At program point L366(line 366) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse1 .cse2)) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))))) [2022-11-18 19:47:18,462 INFO L895 garLoopResultBuilder]: At program point L368-2(lines 361 377) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) .cse1 (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~3#1| ~methaneLevelCritical~0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-11-18 19:47:18,462 INFO L899 garLoopResultBuilder]: For program point L366-1(line 366) no Hoare annotation was computed. [2022-11-18 19:47:18,463 INFO L895 garLoopResultBuilder]: At program point L457(lines 442 460) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~systemActive~0))) (let ((.cse0 (not .cse5)) (.cse4 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0) .cse1 .cse2 .cse5 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (.cse3 (<= 2 ~waterLevel~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse4 (and .cse2 .cse3))))) [2022-11-18 19:47:18,463 INFO L895 garLoopResultBuilder]: At program point L358(lines 353 360) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0))))) [2022-11-18 19:47:18,463 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 455) no Hoare annotation was computed. [2022-11-18 19:47:18,463 INFO L899 garLoopResultBuilder]: For program point L451-2(lines 451 455) no Hoare annotation was computed. [2022-11-18 19:47:18,463 INFO L895 garLoopResultBuilder]: At program point L321(line 321) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse2 .cse0 .cse1))) [2022-11-18 19:47:18,463 INFO L899 garLoopResultBuilder]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2022-11-18 19:47:18,464 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 302 326) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2022-11-18 19:47:18,464 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2022-11-18 19:47:18,464 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 302 326) no Hoare annotation was computed. [2022-11-18 19:47:18,464 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 386 396) the Hoare annotation is: true [2022-11-18 19:47:18,464 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 386 396) no Hoare annotation was computed. [2022-11-18 19:47:18,464 INFO L902 garLoopResultBuilder]: At program point L391(line 391) the Hoare annotation is: true [2022-11-18 19:47:18,464 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 386 396) no Hoare annotation was computed. [2022-11-18 19:47:18,464 INFO L899 garLoopResultBuilder]: For program point L391-1(line 391) no Hoare annotation was computed. [2022-11-18 19:47:18,468 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:47:18,470 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:47:18,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:47:18 BoogieIcfgContainer [2022-11-18 19:47:18,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:47:18,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:47:18,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:47:18,505 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:47:18,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:47:05" (3/4) ... [2022-11-18 19:47:18,509 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 19:47:18,521 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-18 19:47:18,521 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-18 19:47:18,521 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-18 19:47:18,521 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-18 19:47:18,521 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-18 19:47:18,521 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-18 19:47:18,522 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-18 19:47:18,522 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-18 19:47:18,522 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-18 19:47:18,535 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-18 19:47:18,536 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 19:47:18,536 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 19:47:18,537 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:47:18,537 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 19:47:18,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-11-18 19:47:18,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime)) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime)) [2022-11-18 19:47:18,574 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel)) && (((((2 <= waterLevel && tmp == 0) || (pumpRunning == \old(pumpRunning) && tmp == 0)) || !(1 == systemActive)) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) [2022-11-18 19:47:18,574 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(0 == systemActive)) && ((!(1 == systemActive) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) [2022-11-18 19:47:18,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && tmp == methaneLevelCritical)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2022-11-18 19:47:18,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2022-11-18 19:47:18,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) [2022-11-18 19:47:18,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) [2022-11-18 19:47:18,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) || ((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && 1 == systemActive) && \result == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && 1 == systemActive) && \result == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) [2022-11-18 19:47:18,623 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 19:47:18,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:47:18,624 INFO L158 Benchmark]: Toolchain (without parser) took 14445.33ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 86.1MB in the beginning and 167.1MB in the end (delta: -81.1MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2022-11-18 19:47:18,624 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:47:18,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.68ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 86.6MB in the end (delta: -783.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 19:47:18,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.48ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 84.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:47:18,625 INFO L158 Benchmark]: Boogie Preprocessor took 52.65ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 82.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:47:18,626 INFO L158 Benchmark]: RCFGBuilder took 566.08ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 66.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 19:47:18,626 INFO L158 Benchmark]: TraceAbstraction took 13110.54ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 65.1MB in the beginning and 173.4MB in the end (delta: -108.3MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. [2022-11-18 19:47:18,627 INFO L158 Benchmark]: Witness Printer took 118.67ms. Allocated memory is still 243.3MB. Free memory was 173.4MB in the beginning and 167.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 19:47:18,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.68ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 86.6MB in the end (delta: -783.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.48ms. Allocated memory is still 117.4MB. Free memory was 86.6MB in the beginning and 84.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.65ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 82.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 566.08ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 66.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13110.54ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 65.1MB in the beginning and 173.4MB in the end (delta: -108.3MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. * Witness Printer took 118.67ms. Allocated memory is still 243.3MB. Free memory was 173.4MB in the beginning and 167.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 895]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.0s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1690 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1636 mSDsluCounter, 4942 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3604 mSDsCounter, 493 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2107 IncrementalHoareTripleChecker+Invalid, 2600 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 493 mSolverCounterUnsat, 1338 mSDtfsCounter, 2107 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 453 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1186occurred in iteration=8, InterpolantAutomatonStates: 96, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 185 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 2344 PreInvPairs, 2667 NumberOfFragments, 1833 HoareAnnotationTreeSize, 2344 FomulaSimplifications, 1447 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 47 FomulaSimplificationsInter, 13239 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 892 NumberOfCodeBlocks, 892 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 879 ConstructedInterpolants, 0 QuantifiedInterpolants, 1585 SizeOfPredicates, 6 NumberOfNonLiveVariables, 754 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 203/229 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: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && tmp == methaneLevelCritical)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel)) && (((((2 <= waterLevel && tmp == 0) || (pumpRunning == \old(pumpRunning) && tmp == 0)) || !(1 == systemActive)) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == systemActive) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive)) || ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == systemActive) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: ((1 <= methaneLevelCritical && 1 == systemActive) && splverifierCounter == 0) || ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime)) || !(0 == systemActive)) && ((!(1 == systemActive) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime)) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (\old(waterLevel) == waterLevel && \old(methAndRunningLastTime) == methAndRunningLastTime)) - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) || ((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && 1 == systemActive) && \result == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && 1 == systemActive) && \result == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) RESULT: Ultimate proved your program to be correct! [2022-11-18 19:47:18,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f45043-8e56-4406-b7a0-f2d09672ab15/bin/uautomizer-TMbwUNV5ro/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