./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 53b1b58c0a8af862b137647fd316df606e2053e614741221b62b3a107765e608 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:57:44,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:57:44,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:57:44,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:57:44,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:57:44,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:57:44,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:57:44,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:57:44,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:57:44,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:57:44,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:57:44,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:57:44,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:57:44,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:57:44,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:57:44,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:57:44,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:57:44,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:57:44,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:57:44,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:57:44,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:57:44,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:57:44,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:57:44,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:57:44,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:57:44,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:57:44,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:57:44,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:57:44,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:57:44,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:57:44,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:57:44,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:57:44,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:57:44,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:57:44,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:57:44,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:57:44,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:57:44,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:57:44,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:57:44,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:57:44,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:57:44,872 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:57:44,907 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:57:44,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:57:44,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:57:44,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:57:44,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:57:44,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:57:44,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:57:44,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:57:44,909 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:57:44,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:57:44,910 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:57:44,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:57:44,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:57:44,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:57:44,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:57:44,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:57:44,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:57:44,911 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:57:44,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:57:44,912 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:57:44,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:57:44,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:57:44,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:57:44,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:57:44,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:57:44,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:57:44,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:57:44,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:57:44,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:57:44,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:57:44,914 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:57:44,914 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:57:44,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:57:44,915 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_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53b1b58c0a8af862b137647fd316df606e2053e614741221b62b3a107765e608 [2022-11-02 20:57:45,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:57:45,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:57:45,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:57:45,239 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:57:45,240 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:57:45,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c [2022-11-02 20:57:45,328 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/data/5a214ba9e/7b70314e51264b52b12cc00df6e6f145/FLAG3e5c97e68 [2022-11-02 20:57:45,914 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:57:45,915 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c [2022-11-02 20:57:45,932 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/data/5a214ba9e/7b70314e51264b52b12cc00df6e6f145/FLAG3e5c97e68 [2022-11-02 20:57:46,220 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/data/5a214ba9e/7b70314e51264b52b12cc00df6e6f145 [2022-11-02 20:57:46,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:57:46,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:57:46,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:57:46,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:57:46,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:57:46,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:57:46" (1/1) ... [2022-11-02 20:57:46,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f5da2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:46, skipping insertion in model container [2022-11-02 20:57:46,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:57:46" (1/1) ... [2022-11-02 20:57:46,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:57:46,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:57:46,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2022-11-02 20:57:46,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:57:46,599 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:57:46,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2022-11-02 20:57:46,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:57:46,740 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:57:46,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:46 WrapperNode [2022-11-02 20:57:46,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:57:46,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:57:46,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:57:46,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:57:46,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:46" (1/1) ... [2022-11-02 20:57:46,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:46" (1/1) ... [2022-11-02 20:57:46,818 INFO L138 Inliner]: procedures = 57, calls = 161, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 280 [2022-11-02 20:57:46,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:57:46,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:57:46,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:57:46,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:57:46,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:46" (1/1) ... [2022-11-02 20:57:46,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:46" (1/1) ... [2022-11-02 20:57:46,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:46" (1/1) ... [2022-11-02 20:57:46,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:46" (1/1) ... [2022-11-02 20:57:46,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:46" (1/1) ... [2022-11-02 20:57:46,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:46" (1/1) ... [2022-11-02 20:57:46,874 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:46" (1/1) ... [2022-11-02 20:57:46,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:46" (1/1) ... [2022-11-02 20:57:46,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:57:46,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:57:46,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:57:46,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:57:46,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:46" (1/1) ... [2022-11-02 20:57:46,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:57:46,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:57:46,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:57:46,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:57:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:57:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-02 20:57:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-02 20:57:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-02 20:57:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-02 20:57:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:57:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:57:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:57:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:57:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:57:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:57:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:57:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:57:46,969 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-02 20:57:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-02 20:57:46,970 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-02 20:57:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-02 20:57:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-02 20:57:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-02 20:57:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:57:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:57:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:57:46,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:57:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:57:47,056 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:57:47,059 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:57:47,543 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:57:47,550 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:57:47,557 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:57:47,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:57:47 BoogieIcfgContainer [2022-11-02 20:57:47,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:57:47,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:57:47,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:57:47,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:57:47,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:57:46" (1/3) ... [2022-11-02 20:57:47,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21adf77a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:57:47, skipping insertion in model container [2022-11-02 20:57:47,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:46" (2/3) ... [2022-11-02 20:57:47,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21adf77a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:57:47, skipping insertion in model container [2022-11-02 20:57:47,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:57:47" (3/3) ... [2022-11-02 20:57:47,572 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product61.cil.c [2022-11-02 20:57:47,600 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:57:47,600 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:57:47,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:57:47,662 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;@30ea7fb6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:57:47,662 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:57:47,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 80 states have (on average 1.375) internal successors, (110), 90 states have internal predecessors, (110), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-02 20:57:47,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-02 20:57:47,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:57:47,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:57:47,693 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:57:47,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:47,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1589663850, now seen corresponding path program 1 times [2022-11-02 20:57:47,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:47,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321728431] [2022-11-02 20:57:47,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:47,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:47,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:57:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:47,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:57:47,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:47,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321728431] [2022-11-02 20:57:47,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321728431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:57:47,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:57:47,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:57:47,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30037014] [2022-11-02 20:57:47,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:57:47,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:57:47,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:48,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:57:48,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:57:48,020 INFO L87 Difference]: Start difference. First operand has 110 states, 80 states have (on average 1.375) internal successors, (110), 90 states have internal predecessors, (110), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:57:48,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:57:48,091 INFO L93 Difference]: Finished difference Result 212 states and 287 transitions. [2022-11-02 20:57:48,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:57:48,094 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-02 20:57:48,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:57:48,108 INFO L225 Difference]: With dead ends: 212 [2022-11-02 20:57:48,108 INFO L226 Difference]: Without dead ends: 101 [2022-11-02 20:57:48,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:57:48,119 INFO L413 NwaCegarLoop]: 140 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, 140 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:57:48,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:57:48,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-02 20:57:48,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-11-02 20:57:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 73 states have (on average 1.3150684931506849) internal successors, (96), 82 states have internal predecessors, (96), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-02 20:57:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 131 transitions. [2022-11-02 20:57:48,201 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 131 transitions. Word has length 25 [2022-11-02 20:57:48,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:57:48,202 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 131 transitions. [2022-11-02 20:57:48,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:57:48,204 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 131 transitions. [2022-11-02 20:57:48,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-02 20:57:48,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:57:48,216 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:57:48,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:57:48,217 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:57:48,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:48,219 INFO L85 PathProgramCache]: Analyzing trace with hash 363264377, now seen corresponding path program 1 times [2022-11-02 20:57:48,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:48,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164871274] [2022-11-02 20:57:48,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:48,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:57:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:48,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:57:48,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:48,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164871274] [2022-11-02 20:57:48,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164871274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:57:48,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:57:48,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:57:48,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798603955] [2022-11-02 20:57:48,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:57:48,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:57:48,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:48,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:57:48,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:57:48,441 INFO L87 Difference]: Start difference. First operand 101 states and 131 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:57:48,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:57:48,467 INFO L93 Difference]: Finished difference Result 168 states and 218 transitions. [2022-11-02 20:57:48,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:57:48,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-02 20:57:48,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:57:48,474 INFO L225 Difference]: With dead ends: 168 [2022-11-02 20:57:48,474 INFO L226 Difference]: Without dead ends: 92 [2022-11-02 20:57:48,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:57:48,485 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 12 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:57:48,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 220 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:57:48,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-02 20:57:48,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-11-02 20:57:48,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 67 states have (on average 1.328358208955224) internal successors, (89), 76 states have internal predecessors, (89), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-02 20:57:48,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2022-11-02 20:57:48,502 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 26 [2022-11-02 20:57:48,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:57:48,503 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2022-11-02 20:57:48,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:57:48,503 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2022-11-02 20:57:48,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-02 20:57:48,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:57:48,507 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] [2022-11-02 20:57:48,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:57:48,507 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:57:48,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:48,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1922022974, now seen corresponding path program 1 times [2022-11-02 20:57:48,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:48,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210552361] [2022-11-02 20:57:48,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:48,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:48,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:57:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:48,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:57:48,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:48,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210552361] [2022-11-02 20:57:48,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210552361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:57:48,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:57:48,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:57:48,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957275029] [2022-11-02 20:57:48,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:57:48,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:57:48,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:48,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:57:48,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:57:48,777 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:57:48,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:57:48,982 INFO L93 Difference]: Finished difference Result 177 states and 232 transitions. [2022-11-02 20:57:48,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:57:48,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 30 [2022-11-02 20:57:48,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:57:48,988 INFO L225 Difference]: With dead ends: 177 [2022-11-02 20:57:48,988 INFO L226 Difference]: Without dead ends: 92 [2022-11-02 20:57:48,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:57:48,999 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 219 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:57:49,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 250 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:57:49,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-02 20:57:49,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-11-02 20:57:49,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 76 states have internal predecessors, (88), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-02 20:57:49,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 118 transitions. [2022-11-02 20:57:49,018 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 118 transitions. Word has length 30 [2022-11-02 20:57:49,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:57:49,019 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 118 transitions. [2022-11-02 20:57:49,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:57:49,020 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 118 transitions. [2022-11-02 20:57:49,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-02 20:57:49,021 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:57:49,021 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:57:49,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:57:49,022 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:57:49,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:49,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1575345012, now seen corresponding path program 1 times [2022-11-02 20:57:49,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:49,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861259244] [2022-11-02 20:57:49,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:49,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:49,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:57:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:49,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:57:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:49,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:57:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:49,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:57:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:49,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:57:49,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:49,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861259244] [2022-11-02 20:57:49,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861259244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:57:49,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:57:49,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:57:49,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488879879] [2022-11-02 20:57:49,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:57:49,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:57:49,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:49,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:57:49,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:57:49,144 INFO L87 Difference]: Start difference. First operand 92 states and 118 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-02 20:57:49,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:57:49,418 INFO L93 Difference]: Finished difference Result 268 states and 342 transitions. [2022-11-02 20:57:49,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:57:49,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2022-11-02 20:57:49,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:57:49,424 INFO L225 Difference]: With dead ends: 268 [2022-11-02 20:57:49,424 INFO L226 Difference]: Without dead ends: 183 [2022-11-02 20:57:49,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:57:49,435 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 231 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:57:49,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 342 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:57:49,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-02 20:57:49,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 177. [2022-11-02 20:57:49,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 131 states have (on average 1.251908396946565) internal successors, (164), 140 states have internal predecessors, (164), 22 states have call successors, (22), 18 states have call predecessors, (22), 23 states have return successors, (29), 24 states have call predecessors, (29), 22 states have call successors, (29) [2022-11-02 20:57:49,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 215 transitions. [2022-11-02 20:57:49,482 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 215 transitions. Word has length 45 [2022-11-02 20:57:49,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:57:49,483 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 215 transitions. [2022-11-02 20:57:49,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-02 20:57:49,483 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 215 transitions. [2022-11-02 20:57:49,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-02 20:57:49,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:57:49,484 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:57:49,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:57:49,485 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:57:49,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:49,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1919204828, now seen corresponding path program 1 times [2022-11-02 20:57:49,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:49,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085755178] [2022-11-02 20:57:49,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:49,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:49,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:57:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:49,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:57:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:49,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:57:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:49,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:57:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:49,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:57:49,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:49,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085755178] [2022-11-02 20:57:49,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085755178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:57:49,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:57:49,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:57:49,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516385248] [2022-11-02 20:57:49,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:57:49,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:57:49,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:49,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:57:49,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:57:49,621 INFO L87 Difference]: Start difference. First operand 177 states and 215 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:57:49,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:57:49,937 INFO L93 Difference]: Finished difference Result 452 states and 570 transitions. [2022-11-02 20:57:49,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:57:49,938 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-11-02 20:57:49,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:57:49,941 INFO L225 Difference]: With dead ends: 452 [2022-11-02 20:57:49,941 INFO L226 Difference]: Without dead ends: 282 [2022-11-02 20:57:49,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:57:49,944 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 158 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:57:49,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 426 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:57:49,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-11-02 20:57:49,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 274. [2022-11-02 20:57:49,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 203 states have (on average 1.2413793103448276) internal successors, (252), 215 states have internal predecessors, (252), 35 states have call successors, (35), 30 states have call predecessors, (35), 35 states have return successors, (48), 37 states have call predecessors, (48), 35 states have call successors, (48) [2022-11-02 20:57:49,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 335 transitions. [2022-11-02 20:57:49,999 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 335 transitions. Word has length 51 [2022-11-02 20:57:50,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:57:50,001 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 335 transitions. [2022-11-02 20:57:50,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:57:50,002 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 335 transitions. [2022-11-02 20:57:50,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-02 20:57:50,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:57:50,003 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:57:50,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:57:50,004 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:57:50,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:50,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1745115842, now seen corresponding path program 1 times [2022-11-02 20:57:50,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:50,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481529222] [2022-11-02 20:57:50,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:50,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:50,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:57:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:50,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:57:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:50,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:57:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:50,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:57:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:50,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:57:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:50,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:57:50,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:50,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481529222] [2022-11-02 20:57:50,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481529222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:57:50,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:57:50,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:57:50,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346736080] [2022-11-02 20:57:50,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:57:50,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:57:50,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:50,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:57:50,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:57:50,254 INFO L87 Difference]: Start difference. First operand 274 states and 335 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-02 20:57:50,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:57:50,970 INFO L93 Difference]: Finished difference Result 674 states and 862 transitions. [2022-11-02 20:57:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-02 20:57:50,971 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 55 [2022-11-02 20:57:50,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:57:50,974 INFO L225 Difference]: With dead ends: 674 [2022-11-02 20:57:50,974 INFO L226 Difference]: Without dead ends: 504 [2022-11-02 20:57:50,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2022-11-02 20:57:50,976 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 459 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:57:50,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 378 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 20:57:50,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2022-11-02 20:57:51,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 458. [2022-11-02 20:57:51,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 337 states have (on average 1.2195845697329377) internal successors, (411), 359 states have internal predecessors, (411), 60 states have call successors, (60), 46 states have call predecessors, (60), 60 states have return successors, (95), 64 states have call predecessors, (95), 60 states have call successors, (95) [2022-11-02 20:57:51,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 566 transitions. [2022-11-02 20:57:51,026 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 566 transitions. Word has length 55 [2022-11-02 20:57:51,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:57:51,027 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 566 transitions. [2022-11-02 20:57:51,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-02 20:57:51,027 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 566 transitions. [2022-11-02 20:57:51,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-02 20:57:51,028 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:57:51,028 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:57:51,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:57:51,029 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:57:51,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:51,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1683076228, now seen corresponding path program 1 times [2022-11-02 20:57:51,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:51,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960837265] [2022-11-02 20:57:51,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:51,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:51,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:57:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:51,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:57:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:51,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:57:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:51,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:57:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:51,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:57:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:51,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:57:51,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:51,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960837265] [2022-11-02 20:57:51,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960837265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:57:51,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:57:51,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:57:51,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800699202] [2022-11-02 20:57:51,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:57:51,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:57:51,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:51,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:57:51,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:57:51,135 INFO L87 Difference]: Start difference. First operand 458 states and 566 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 20:57:51,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:57:51,524 INFO L93 Difference]: Finished difference Result 850 states and 1060 transitions. [2022-11-02 20:57:51,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:57:51,525 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2022-11-02 20:57:51,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:57:51,528 INFO L225 Difference]: With dead ends: 850 [2022-11-02 20:57:51,528 INFO L226 Difference]: Without dead ends: 492 [2022-11-02 20:57:51,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:57:51,530 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 184 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:57:51,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 343 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:57:51,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2022-11-02 20:57:51,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 458. [2022-11-02 20:57:51,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 337 states have (on average 1.2166172106824926) internal successors, (410), 359 states have internal predecessors, (410), 60 states have call successors, (60), 46 states have call predecessors, (60), 60 states have return successors, (95), 64 states have call predecessors, (95), 60 states have call successors, (95) [2022-11-02 20:57:51,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 565 transitions. [2022-11-02 20:57:51,575 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 565 transitions. Word has length 55 [2022-11-02 20:57:51,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:57:51,575 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 565 transitions. [2022-11-02 20:57:51,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 20:57:51,576 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 565 transitions. [2022-11-02 20:57:51,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-02 20:57:51,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:57:51,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:57:51,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:57:51,577 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:57:51,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:51,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1817089734, now seen corresponding path program 1 times [2022-11-02 20:57:51,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:51,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517958523] [2022-11-02 20:57:51,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:51,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:57:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:51,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:57:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:51,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:57:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:51,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:57:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:51,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:57:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:57:51,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:51,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517958523] [2022-11-02 20:57:51,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517958523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:57:51,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:57:51,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 20:57:51,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583287110] [2022-11-02 20:57:51,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:57:51,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:57:51,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:51,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:57:51,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:57:51,804 INFO L87 Difference]: Start difference. First operand 458 states and 565 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 20:57:52,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:57:52,258 INFO L93 Difference]: Finished difference Result 938 states and 1173 transitions. [2022-11-02 20:57:52,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 20:57:52,259 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2022-11-02 20:57:52,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:57:52,262 INFO L225 Difference]: With dead ends: 938 [2022-11-02 20:57:52,262 INFO L226 Difference]: Without dead ends: 487 [2022-11-02 20:57:52,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:57:52,264 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 219 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:57:52,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 471 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:57:52,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2022-11-02 20:57:52,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 461. [2022-11-02 20:57:52,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 342 states have (on average 1.2105263157894737) internal successors, (414), 363 states have internal predecessors, (414), 59 states have call successors, (59), 45 states have call predecessors, (59), 59 states have return successors, (94), 63 states have call predecessors, (94), 59 states have call successors, (94) [2022-11-02 20:57:52,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 567 transitions. [2022-11-02 20:57:52,327 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 567 transitions. Word has length 55 [2022-11-02 20:57:52,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:57:52,327 INFO L495 AbstractCegarLoop]: Abstraction has 461 states and 567 transitions. [2022-11-02 20:57:52,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 20:57:52,328 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 567 transitions. [2022-11-02 20:57:52,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-02 20:57:52,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:57:52,329 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, 1, 1, 1] [2022-11-02 20:57:52,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:57:52,330 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:57:52,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:52,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1139830327, now seen corresponding path program 1 times [2022-11-02 20:57:52,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:52,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558140214] [2022-11-02 20:57:52,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:52,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:52,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:57:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:52,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:57:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:52,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:57:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:52,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:57:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:52,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:52,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 20:57:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:52,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:57:52,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:52,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558140214] [2022-11-02 20:57:52,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558140214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:57:52,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:57:52,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-02 20:57:52,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38097563] [2022-11-02 20:57:52,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:57:52,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:57:52,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:52,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:57:52,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:57:52,646 INFO L87 Difference]: Start difference. First operand 461 states and 567 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:57:53,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:57:53,838 INFO L93 Difference]: Finished difference Result 1353 states and 1732 transitions. [2022-11-02 20:57:53,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-02 20:57:53,838 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2022-11-02 20:57:53,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:57:53,843 INFO L225 Difference]: With dead ends: 1353 [2022-11-02 20:57:53,843 INFO L226 Difference]: Without dead ends: 899 [2022-11-02 20:57:53,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=243, Invalid=1017, Unknown=0, NotChecked=0, Total=1260 [2022-11-02 20:57:53,846 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 243 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:57:53,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 987 Invalid, 1444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-02 20:57:53,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2022-11-02 20:57:53,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 862. [2022-11-02 20:57:53,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 629 states have (on average 1.1828298887122417) internal successors, (744), 667 states have internal predecessors, (744), 117 states have call successors, (117), 90 states have call predecessors, (117), 115 states have return successors, (205), 123 states have call predecessors, (205), 117 states have call successors, (205) [2022-11-02 20:57:53,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1066 transitions. [2022-11-02 20:57:53,930 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1066 transitions. Word has length 64 [2022-11-02 20:57:53,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:57:53,931 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1066 transitions. [2022-11-02 20:57:53,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:57:53,931 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1066 transitions. [2022-11-02 20:57:53,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-02 20:57:53,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:57:53,933 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, 1, 1, 1, 1] [2022-11-02 20:57:53,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:57:53,934 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:57:53,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:53,934 INFO L85 PathProgramCache]: Analyzing trace with hash 890398829, now seen corresponding path program 1 times [2022-11-02 20:57:53,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:53,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54884100] [2022-11-02 20:57:53,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:53,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:54,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:57:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:54,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:57:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:54,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:57:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:54,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:57:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:54,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:54,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-02 20:57:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:54,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:57:54,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:54,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54884100] [2022-11-02 20:57:54,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54884100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:57:54,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:57:54,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-02 20:57:54,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024112644] [2022-11-02 20:57:54,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:57:54,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-02 20:57:54,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:54,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-02 20:57:54,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:57:54,136 INFO L87 Difference]: Start difference. First operand 862 states and 1066 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:57:54,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:57:54,776 INFO L93 Difference]: Finished difference Result 1726 states and 2134 transitions. [2022-11-02 20:57:54,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-02 20:57:54,777 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2022-11-02 20:57:54,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:57:54,781 INFO L225 Difference]: With dead ends: 1726 [2022-11-02 20:57:54,781 INFO L226 Difference]: Without dead ends: 871 [2022-11-02 20:57:54,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2022-11-02 20:57:54,784 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 331 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 20:57:54,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 653 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 20:57:54,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2022-11-02 20:57:54,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 862. [2022-11-02 20:57:54,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 629 states have (on average 1.1701112877583466) internal successors, (736), 667 states have internal predecessors, (736), 117 states have call successors, (117), 90 states have call predecessors, (117), 115 states have return successors, (186), 123 states have call predecessors, (186), 117 states have call successors, (186) [2022-11-02 20:57:54,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1039 transitions. [2022-11-02 20:57:54,845 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1039 transitions. Word has length 65 [2022-11-02 20:57:54,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:57:54,845 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1039 transitions. [2022-11-02 20:57:54,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-02 20:57:54,846 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1039 transitions. [2022-11-02 20:57:54,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-02 20:57:54,849 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:57:54,849 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:57:54,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:57:54,849 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:57:54,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:54,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1014722144, now seen corresponding path program 1 times [2022-11-02 20:57:54,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:54,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385283812] [2022-11-02 20:57:54,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:54,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:54,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:57:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:54,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:57:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:55,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:57:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:55,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:57:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:55,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:57:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:55,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:55,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:57:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:55,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-02 20:57:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:55,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:57:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:55,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-02 20:57:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:55,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 20:57:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:55,174 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 20:57:55,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:55,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385283812] [2022-11-02 20:57:55,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385283812] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:57:55,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82193237] [2022-11-02 20:57:55,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:55,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:57:55,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:57:55,181 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:57:55,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:57:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:55,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 20:57:55,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:57:55,668 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-02 20:57:55,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:57:56,135 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-02 20:57:56,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82193237] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:57:56,136 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:57:56,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 9] total 22 [2022-11-02 20:57:56,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439108801] [2022-11-02 20:57:56,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:57:56,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-02 20:57:56,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:56,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-02 20:57:56,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2022-11-02 20:57:56,139 INFO L87 Difference]: Start difference. First operand 862 states and 1039 transitions. Second operand has 22 states, 22 states have (on average 6.681818181818182) internal successors, (147), 15 states have internal predecessors, (147), 7 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 10 states have call predecessors, (28), 7 states have call successors, (28) [2022-11-02 20:57:58,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:57:58,450 INFO L93 Difference]: Finished difference Result 1813 states and 2250 transitions. [2022-11-02 20:57:58,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-11-02 20:57:58,451 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.681818181818182) internal successors, (147), 15 states have internal predecessors, (147), 7 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 10 states have call predecessors, (28), 7 states have call successors, (28) Word has length 105 [2022-11-02 20:57:58,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:57:58,452 INFO L225 Difference]: With dead ends: 1813 [2022-11-02 20:57:58,452 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:57:58,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 228 SyntacticMatches, 7 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1420 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1173, Invalid=4083, Unknown=0, NotChecked=0, Total=5256 [2022-11-02 20:57:58,459 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 1611 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 974 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1613 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 2385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 974 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:57:58,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1613 Valid, 611 Invalid, 2385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [974 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-02 20:57:58,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:57:58,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:57:58,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:57:58,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:57:58,461 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2022-11-02 20:57:58,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:57:58,461 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:57:58,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.681818181818182) internal successors, (147), 15 states have internal predecessors, (147), 7 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 10 states have call predecessors, (28), 7 states have call successors, (28) [2022-11-02 20:57:58,462 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:57:58,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:57:58,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:57:58,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:57:58,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:57:58,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:58:04,639 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 266 273) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) [2022-11-02 20:58:04,639 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 266 273) no Hoare annotation was computed. [2022-11-02 20:58:04,640 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 266 273) no Hoare annotation was computed. [2022-11-02 20:58:04,640 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 156 162) no Hoare annotation was computed. [2022-11-02 20:58:04,640 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 156 162) the Hoare annotation is: true [2022-11-02 20:58:04,640 INFO L895 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-02 20:58:04,640 INFO L899 garLoopResultBuilder]: For program point L209-1(lines 190 214) no Hoare annotation was computed. [2022-11-02 20:58:04,641 INFO L895 garLoopResultBuilder]: At program point L364(lines 349 367) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-02 20:58:04,641 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 362) no Hoare annotation was computed. [2022-11-02 20:58:04,641 INFO L899 garLoopResultBuilder]: For program point L358-2(lines 358 362) no Hoare annotation was computed. [2022-11-02 20:58:04,641 INFO L895 garLoopResultBuilder]: At program point L468(lines 463 471) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-02 20:58:04,642 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 190 214) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2022-11-02 20:58:04,642 INFO L895 garLoopResultBuilder]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-02 20:58:04,642 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 190 214) no Hoare annotation was computed. [2022-11-02 20:58:04,642 INFO L895 garLoopResultBuilder]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-02 20:58:04,643 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 206) no Hoare annotation was computed. [2022-11-02 20:58:04,643 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 211) no Hoare annotation was computed. [2022-11-02 20:58:04,643 INFO L899 garLoopResultBuilder]: For program point L400-1(lines 396 407) no Hoare annotation was computed. [2022-11-02 20:58:04,643 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 396 407) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse6 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse0 (not .cse6)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse7 (not .cse1)) (.cse4 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse2 .cse6 .cse7 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse7 .cse4)))) [2022-11-02 20:58:04,643 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 396 407) no Hoare annotation was computed. [2022-11-02 20:58:04,643 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 408 416) the Hoare annotation is: true [2022-11-02 20:58:04,644 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 408 416) no Hoare annotation was computed. [2022-11-02 20:58:04,644 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 408 416) no Hoare annotation was computed. [2022-11-02 20:58:04,644 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 483 512) no Hoare annotation was computed. [2022-11-02 20:58:04,644 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 483 512) the Hoare annotation is: true [2022-11-02 20:58:04,644 INFO L902 garLoopResultBuilder]: At program point L508(lines 483 512) the Hoare annotation is: true [2022-11-02 20:58:04,645 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-11-02 20:58:04,645 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 501) no Hoare annotation was computed. [2022-11-02 20:58:04,646 INFO L902 garLoopResultBuilder]: At program point L497-1(lines 497 501) the Hoare annotation is: true [2022-11-02 20:58:04,646 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-11-02 20:58:04,646 INFO L902 garLoopResultBuilder]: At program point L493-2(lines 493 507) the Hoare annotation is: true [2022-11-02 20:58:04,647 INFO L902 garLoopResultBuilder]: At program point L489(line 489) the Hoare annotation is: true [2022-11-02 20:58:04,648 INFO L899 garLoopResultBuilder]: For program point L489-1(line 489) no Hoare annotation was computed. [2022-11-02 20:58:04,648 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-11-02 20:58:04,648 INFO L899 garLoopResultBuilder]: For program point L143-1(lines 143 149) no Hoare annotation was computed. [2022-11-02 20:58:04,648 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 132 155) no Hoare annotation was computed. [2022-11-02 20:58:04,649 INFO L895 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-02 20:58:04,649 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-02 20:58:04,649 INFO L895 garLoopResultBuilder]: At program point L222(line 222) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-02 20:58:04,650 INFO L895 garLoopResultBuilder]: At program point L478(lines 473 480) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-02 20:58:04,650 INFO L899 garLoopResultBuilder]: For program point L222-1(line 222) no Hoare annotation was computed. [2022-11-02 20:58:04,650 INFO L895 garLoopResultBuilder]: At program point L445(lines 440 448) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse8 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (= |timeShift_getWaterLevel_#res#1| 1)) (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse2 (and .cse4 .cse5 .cse6 .cse7) .cse3 (and (<= 1 ~pumpRunning~0) .cse4 .cse7))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse8) (let ((.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse6 .cse9 .cse8) .cse10 (and .cse4 .cse5 .cse6 .cse9 .cse8) .cse3)) (or .cse1 .cse2 .cse10 .cse3))) [2022-11-02 20:58:04,650 INFO L899 garLoopResultBuilder]: For program point L590(lines 590 610) no Hoare annotation was computed. [2022-11-02 20:58:04,652 INFO L895 garLoopResultBuilder]: At program point L235(line 235) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2022-11-02 20:58:04,652 INFO L895 garLoopResultBuilder]: At program point L235-1(lines 216 240) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse4 (not (= 1 ~systemActive~0))) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 (not .cse5) (and (<= 1 ~pumpRunning~0) .cse2) .cse6) (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse7) (not (<= 1 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse7) .cse6)) (or .cse3 (and .cse0 .cse2) .cse5 .cse4 .cse6))) [2022-11-02 20:58:04,653 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 135 154) no Hoare annotation was computed. [2022-11-02 20:58:04,653 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2022-11-02 20:58:04,653 INFO L895 garLoopResultBuilder]: At program point L376-2(lines 372 383) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-02 20:58:04,653 INFO L895 garLoopResultBuilder]: At program point L290(lines 285 293) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or (and (<= 1 ~pumpRunning~0) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| 0) (not (= |timeShift_isPumpRunning_#res#1| 0)) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2))) [2022-11-02 20:58:04,653 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 232) no Hoare annotation was computed. [2022-11-02 20:58:04,654 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 237) no Hoare annotation was computed. [2022-11-02 20:58:04,654 INFO L899 garLoopResultBuilder]: For program point L600(lines 600 606) no Hoare annotation was computed. [2022-11-02 20:58:04,654 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 609) no Hoare annotation was computed. [2022-11-02 20:58:04,654 INFO L895 garLoopResultBuilder]: At program point L596-1(lines 581 613) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse14 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| 0))) (let ((.cse9 (not .cse14)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (not .cse6)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (<= ~waterLevel~0 1)) (.cse3 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~3#1| 1)) (.cse4 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse12 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5) (or .cse1 .cse6 .cse2 (and .cse7 .cse8 .cse9) .cse10) (or .cse6 .cse2 (and .cse7 .cse11 .cse9) .cse12 .cse10 (and .cse13 .cse11 .cse9)) (or .cse1 .cse2 .cse5 (and .cse14 .cse7 .cse11 .cse8) .cse10 (and (<= 1 ~pumpRunning~0) .cse14 .cse8)) (or (and .cse14 .cse7 .cse11 .cse3 .cse4) .cse2 .cse12 .cse5 (and .cse13 .cse14 .cse11 .cse3 .cse4) .cse10) (or .cse0 .cse2 .cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|))))) [2022-11-02 20:58:04,655 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 132 155) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse1) .cse0 .cse2))) [2022-11-02 20:58:04,655 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse4 (not (= 1 ~systemActive~0))) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 (not .cse5) (and (<= 1 ~pumpRunning~0) .cse2) .cse6) (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse7) (not (<= 1 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse7) .cse6)) (or .cse3 (and .cse0 .cse2) .cse5 .cse4 .cse6))) [2022-11-02 20:58:04,655 INFO L899 garLoopResultBuilder]: For program point L588-1(line 588) no Hoare annotation was computed. [2022-11-02 20:58:04,656 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 132 155) no Hoare annotation was computed. [2022-11-02 20:58:04,656 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 477) no Hoare annotation was computed. [2022-11-02 20:58:04,656 INFO L902 garLoopResultBuilder]: At program point L576(lines 557 579) the Hoare annotation is: true [2022-11-02 20:58:04,656 INFO L895 garLoopResultBuilder]: At program point L630(lines 626 632) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:58:04,656 INFO L895 garLoopResultBuilder]: At program point L110(lines 63 111) the Hoare annotation is: false [2022-11-02 20:58:04,657 INFO L899 garLoopResultBuilder]: For program point L65(lines 64 109) no Hoare annotation was computed. [2022-11-02 20:58:04,657 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:58:04,657 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 105) no Hoare annotation was computed. [2022-11-02 20:58:04,657 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:58:04,657 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:58:04,659 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2022-11-02 20:58:04,659 INFO L895 garLoopResultBuilder]: At program point L107(lines 64 109) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse8 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse2 .cse3 .cse4 .cse8 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 (not .cse7) .cse3 .cse4 .cse8 .cse5))) [2022-11-02 20:58:04,660 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed. [2022-11-02 20:58:04,660 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2022-11-02 20:58:04,660 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-02 20:58:04,660 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:58:04,660 INFO L895 garLoopResultBuilder]: At program point L541(lines 537 543) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-11-02 20:58:04,660 INFO L895 garLoopResultBuilder]: At program point L645(lines 640 648) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:58:04,661 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2022-11-02 20:58:04,661 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 94 105) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2022-11-02 20:58:04,661 INFO L895 garLoopResultBuilder]: At program point L637(lines 633 639) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:58:04,662 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 574) no Hoare annotation was computed. [2022-11-02 20:58:04,662 INFO L899 garLoopResultBuilder]: For program point L567-2(lines 567 574) no Hoare annotation was computed. [2022-11-02 20:58:04,662 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2022-11-02 20:58:04,662 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2022-11-02 20:58:04,662 INFO L902 garLoopResultBuilder]: At program point L113(lines 54 117) the Hoare annotation is: true [2022-11-02 20:58:04,663 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse6) (and (= |ULTIMATE.start_main_~tmp~7#1| 1) .cse8 (= |ULTIMATE.start_valid_product_#res#1| 1) .cse7 .cse4 .cse6) (and .cse8 .cse2 (not .cse1) .cse3 .cse4 .cse5 .cse6))) [2022-11-02 20:58:04,663 INFO L902 garLoopResultBuilder]: At program point L551(lines 544 553) the Hoare annotation is: true [2022-11-02 20:58:04,664 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 164 188) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2022-11-02 20:58:04,664 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 262) no Hoare annotation was computed. [2022-11-02 20:58:04,664 INFO L895 garLoopResultBuilder]: At program point L254(line 254) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse1)) (let ((.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2)) (and .cse2 .cse1) (and .cse2 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))))) [2022-11-02 20:58:04,664 INFO L895 garLoopResultBuilder]: At program point L256-2(lines 249 265) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|)) (.cse7 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1| 0)) (.cse8 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|)) (.cse9 (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~1#1|)) (.cse10 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse4 (<= ~waterLevel~0 1)) (.cse11 (not (<= ~waterLevel~0 2)))) (and (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~4#1|))) (or .cse0 .cse1 (not .cse2) (and .cse3 .cse4 .cse5) (and .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) .cse11)) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse4)) (let ((.cse12 (= ~pumpRunning~0 0)) (.cse13 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~4#1|))) (or .cse0 .cse2 .cse1 (and .cse12 .cse6 .cse7 .cse13 .cse8 .cse9 .cse10) (and .cse12 .cse4 .cse13) .cse11)))) [2022-11-02 20:58:04,664 INFO L899 garLoopResultBuilder]: For program point L254-1(line 254) no Hoare annotation was computed. [2022-11-02 20:58:04,665 INFO L895 garLoopResultBuilder]: At program point L345(lines 330 348) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse1)) (let ((.cse2 (= ~pumpRunning~0 0))) (or (and .cse2 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2)) (and .cse2 .cse1))))) [2022-11-02 20:58:04,665 INFO L895 garLoopResultBuilder]: At program point L246(lines 241 248) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse1)) (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~4#1|))) (or .cse2 .cse0 (and .cse3 .cse1 .cse4) (and .cse3 .cse4 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) .cse5)) (or .cse2 (= ~methaneLevelCritical~0 0) .cse0 .cse5))) [2022-11-02 20:58:04,665 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2022-11-02 20:58:04,665 INFO L895 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) .cse1)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse1)))) [2022-11-02 20:58:04,666 INFO L899 garLoopResultBuilder]: For program point L339-2(lines 339 343) no Hoare annotation was computed. [2022-11-02 20:58:04,666 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 180) no Hoare annotation was computed. [2022-11-02 20:58:04,666 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 185) no Hoare annotation was computed. [2022-11-02 20:58:04,666 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 459) no Hoare annotation was computed. [2022-11-02 20:58:04,666 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 164 188) no Hoare annotation was computed. [2022-11-02 20:58:04,666 INFO L895 garLoopResultBuilder]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-02 20:58:04,667 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 164 188) no Hoare annotation was computed. [2022-11-02 20:58:04,667 INFO L895 garLoopResultBuilder]: At program point L458(lines 449 462) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse1)) (let ((.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (not (<= ~waterLevel~0 2)) (and .cse2 .cse1))))) [2022-11-02 20:58:04,667 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 384 395) no Hoare annotation was computed. [2022-11-02 20:58:04,667 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 384 395) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse0 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse3))) [2022-11-02 20:58:04,667 INFO L899 garLoopResultBuilder]: For program point L388-1(lines 384 395) no Hoare annotation was computed. [2022-11-02 20:58:04,668 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 274 284) the Hoare annotation is: true [2022-11-02 20:58:04,669 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 274 284) no Hoare annotation was computed. [2022-11-02 20:58:04,669 INFO L902 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: true [2022-11-02 20:58:04,669 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 274 284) no Hoare annotation was computed. [2022-11-02 20:58:04,669 INFO L899 garLoopResultBuilder]: For program point L279-1(line 279) no Hoare annotation was computed. [2022-11-02 20:58:04,673 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:04,676 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:58:04,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:58:04 BoogieIcfgContainer [2022-11-02 20:58:04,723 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:58:04,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:58:04,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:58:04,724 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:58:04,725 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:57:47" (3/4) ... [2022-11-02 20:58:04,728 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:58:04,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-02 20:58:04,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-02 20:58:04,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:58:04,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-02 20:58:04,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:58:04,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:58:04,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:58:04,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:58:04,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-02 20:58:04,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-02 20:58:04,751 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2022-11-02 20:58:04,751 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:58:04,752 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:58:04,752 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:58:04,753 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:58:04,753 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:58:04,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:58:04,783 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-02 20:58:04,783 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive [2022-11-02 20:58:04,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) || ((((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive)) || ((((((pumpRunning == 0 && 1 == systemActive) && !(methaneLevelCritical == 0)) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) [2022-11-02 20:58:04,785 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:58:04,787 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:58:04,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (tmp___0 <= 1 && \result <= 1)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(tmp == 0))) || !(\old(waterLevel) <= 2))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel <= 1) && !(tmp == 0))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && !(tmp == 0)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((tmp == 0 && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel))) && (((((((((tmp == 0 && pumpRunning == 0) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && tmp == 0) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || waterLevel <= \old(waterLevel)) [2022-11-02 20:58:04,789 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((tmp == 0 && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || \result <= 1)) && ((((!(1 == systemActive) || ((((pumpRunning == \old(pumpRunning) && tmp == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(1 <= \old(pumpRunning))) || ((((tmp == 0 && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2))) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) [2022-11-02 20:58:04,789 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((1 <= pumpRunning && waterLevel <= 1) && 0 == tmp)) || ((((((1 <= pumpRunning && 0 == tmp) && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || !(waterLevel <= 2)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((((((pumpRunning == 0 && 1 <= \result) && tmp == 0) && methaneLevelCritical == tmp) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && methaneLevelCritical == tmp)) || !(waterLevel <= 2)) [2022-11-02 20:58:04,789 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && waterLevel <= 1) && 0 == tmp)) || ((((((1 <= pumpRunning && 0 == tmp) && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || !(waterLevel <= 2))) && (((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-11-02 20:58:04,790 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-11-02 20:58:04,790 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || (pumpRunning == 0 && waterLevel <= 1)) [2022-11-02 20:58:04,791 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-11-02 20:58:04,791 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive))) && ((((((1 <= pumpRunning && tmp == 0) && !(\result == 0)) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) [2022-11-02 20:58:04,794 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((((((((pumpRunning == 0 && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && \result == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && waterLevel <= 1)) [2022-11-02 20:58:04,795 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:58:04,844 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:58:04,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:58:04,845 INFO L158 Benchmark]: Toolchain (without parser) took 18622.39ms. Allocated memory was 96.5MB in the beginning and 232.8MB in the end (delta: 136.3MB). Free memory was 58.9MB in the beginning and 84.6MB in the end (delta: -25.7MB). Peak memory consumption was 109.3MB. Max. memory is 16.1GB. [2022-11-02 20:58:04,846 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory was 64.9MB in the beginning and 64.8MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:58:04,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.95ms. Allocated memory is still 96.5MB. Free memory was 58.8MB in the beginning and 62.7MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:58:04,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.50ms. Allocated memory is still 96.5MB. Free memory was 62.7MB in the beginning and 60.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:58:04,847 INFO L158 Benchmark]: Boogie Preprocessor took 57.90ms. Allocated memory is still 96.5MB. Free memory was 60.2MB in the beginning and 58.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:58:04,848 INFO L158 Benchmark]: RCFGBuilder took 682.13ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 58.4MB in the beginning and 105.0MB in the end (delta: -46.5MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2022-11-02 20:58:04,848 INFO L158 Benchmark]: TraceAbstraction took 17160.16ms. Allocated memory was 130.0MB in the beginning and 232.8MB in the end (delta: 102.8MB). Free memory was 104.3MB in the beginning and 90.9MB in the end (delta: 13.4MB). Peak memory consumption was 132.3MB. Max. memory is 16.1GB. [2022-11-02 20:58:04,849 INFO L158 Benchmark]: Witness Printer took 120.79ms. Allocated memory is still 232.8MB. Free memory was 90.9MB in the beginning and 84.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:58:04,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 96.5MB. Free memory was 64.9MB in the beginning and 64.8MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.95ms. Allocated memory is still 96.5MB. Free memory was 58.8MB in the beginning and 62.7MB in the end (delta: -3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.50ms. Allocated memory is still 96.5MB. Free memory was 62.7MB in the beginning and 60.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.90ms. Allocated memory is still 96.5MB. Free memory was 60.2MB in the beginning and 58.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 682.13ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 58.4MB in the beginning and 105.0MB in the end (delta: -46.5MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * TraceAbstraction took 17160.16ms. Allocated memory was 130.0MB in the beginning and 232.8MB in the end (delta: 102.8MB). Free memory was 104.3MB in the beginning and 90.9MB in the end (delta: 13.4MB). Peak memory consumption was 132.3MB. Max. memory is 16.1GB. * Witness Printer took 120.79ms. Allocated memory is still 232.8MB. Free memory was 90.9MB in the beginning and 84.6MB 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: 477]: 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 11 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.0s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3700 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3667 mSDsluCounter, 4821 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3366 mSDsCounter, 1769 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4974 IncrementalHoareTripleChecker+Invalid, 6743 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1769 mSolverCounterUnsat, 1455 mSDtfsCounter, 4974 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 536 GetRequests, 340 SyntacticMatches, 7 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1840 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=862occurred in iteration=9, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 166 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 2205 PreInvPairs, 2518 NumberOfFragments, 1942 HoareAnnotationTreeSize, 2205 FomulaSimplifications, 418 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 50 FomulaSimplificationsInter, 15815 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 681 NumberOfCodeBlocks, 681 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 773 ConstructedInterpolants, 0 QuantifiedInterpolants, 1466 SizeOfPredicates, 4 NumberOfNonLiveVariables, 486 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 99/126 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: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || (pumpRunning == 0 && waterLevel <= 1)) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && waterLevel <= 1) && 0 == tmp)) || ((((((1 <= pumpRunning && 0 == tmp) && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || !(waterLevel <= 2))) && (((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) || ((((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive)) || ((((((pumpRunning == 0 && 1 == systemActive) && !(methaneLevelCritical == 0)) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((((((((pumpRunning == 0 && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && \result == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && waterLevel <= 1)) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((1 <= pumpRunning && waterLevel <= 1) && 0 == tmp)) || ((((((1 <= pumpRunning && 0 == tmp) && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || !(waterLevel <= 2)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((((((pumpRunning == 0 && 1 <= \result) && tmp == 0) && methaneLevelCritical == tmp) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && methaneLevelCritical == tmp)) || !(waterLevel <= 2)) - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (tmp___0 <= 1 && \result <= 1)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(tmp == 0))) || !(\old(waterLevel) <= 2))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel <= 1) && !(tmp == 0))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && !(tmp == 0)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((tmp == 0 && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel))) && (((((((((tmp == 0 && pumpRunning == 0) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && tmp == 0) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || waterLevel <= \old(waterLevel)) - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((tmp == 0 && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || \result <= 1)) && ((((!(1 == systemActive) || ((((pumpRunning == \old(pumpRunning) && tmp == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(1 <= \old(pumpRunning))) || ((((tmp == 0 && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2))) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive))) && ((((((1 <= pumpRunning && tmp == 0) && !(\result == 0)) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2022-11-02 20:58:04,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a318b742-0fd9-42e3-971b-d921a4c86d99/bin/uautomizer-Dbtcem3rbc/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