./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/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_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-dbf71c6-m [2022-10-17 10:26:45,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:26:45,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:26:45,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:26:45,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:26:45,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:26:45,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:26:45,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:26:45,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:26:45,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:26:45,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:26:45,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:26:45,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:26:45,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:26:45,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:26:45,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:26:45,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:26:45,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:26:45,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:26:45,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:26:45,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:26:45,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:26:45,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:26:45,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:26:46,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:26:46,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:26:46,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:26:46,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:26:46,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:26:46,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:26:46,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:26:46,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:26:46,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:26:46,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:26:46,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:26:46,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:26:46,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:26:46,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:26:46,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:26:46,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:26:46,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:26:46,029 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:26:46,055 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:26:46,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:26:46,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:26:46,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:26:46,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:26:46,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:26:46,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:26:46,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:26:46,057 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:26:46,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:26:46,058 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:26:46,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:26:46,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:26:46,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:26:46,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:26:46,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:26:46,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:26:46,059 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:26:46,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:26:46,059 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:26:46,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:26:46,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:26:46,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:26:46,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:26:46,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:26:46,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:26:46,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:26:46,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:26:46,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:26:46,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:26:46,061 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:26:46,062 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:26:46,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:26:46,062 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_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53b1b58c0a8af862b137647fd316df606e2053e614741221b62b3a107765e608 [2022-10-17 10:26:46,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:26:46,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:26:46,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:26:46,371 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:26:46,376 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:26:46,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c [2022-10-17 10:26:46,447 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/data/8bfd92cc4/ef33ccc91fac4f6fbd44701a29ad0a18/FLAG441399ecb [2022-10-17 10:26:46,933 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:26:46,935 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c [2022-10-17 10:26:46,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/data/8bfd92cc4/ef33ccc91fac4f6fbd44701a29ad0a18/FLAG441399ecb [2022-10-17 10:26:47,438 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/data/8bfd92cc4/ef33ccc91fac4f6fbd44701a29ad0a18 [2022-10-17 10:26:47,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:26:47,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:26:47,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:26:47,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:26:47,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:26:47,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:26:47" (1/1) ... [2022-10-17 10:26:47,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ede86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:47, skipping insertion in model container [2022-10-17 10:26:47,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:26:47" (1/1) ... [2022-10-17 10:26:47,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:26:47,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:26:47,752 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_c0214d49-6612-4525-8570-9cc1a85d3934/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2022-10-17 10:26:47,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:26:47,870 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:26:47,914 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_c0214d49-6612-4525-8570-9cc1a85d3934/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2022-10-17 10:26:47,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:26:47,986 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:26:47,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:47 WrapperNode [2022-10-17 10:26:47,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:26:47,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:26:47,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:26:47,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:26:48,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:47" (1/1) ... [2022-10-17 10:26:48,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:47" (1/1) ... [2022-10-17 10:26:48,056 INFO L138 Inliner]: procedures = 57, calls = 161, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 280 [2022-10-17 10:26:48,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:26:48,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:26:48,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:26:48,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:26:48,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:47" (1/1) ... [2022-10-17 10:26:48,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:47" (1/1) ... [2022-10-17 10:26:48,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:47" (1/1) ... [2022-10-17 10:26:48,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:47" (1/1) ... [2022-10-17 10:26:48,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:47" (1/1) ... [2022-10-17 10:26:48,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:47" (1/1) ... [2022-10-17 10:26:48,084 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:47" (1/1) ... [2022-10-17 10:26:48,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:47" (1/1) ... [2022-10-17 10:26:48,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:26:48,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:26:48,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:26:48,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:26:48,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:47" (1/1) ... [2022-10-17 10:26:48,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:26:48,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:26:48,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:26:48,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:26:48,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:26:48,229 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 10:26:48,229 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 10:26:48,230 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 10:26:48,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 10:26:48,230 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 10:26:48,230 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 10:26:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 10:26:48,233 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 10:26:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:26:48,234 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:26:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 10:26:48,234 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 10:26:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 10:26:48,234 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-10-17 10:26:48,234 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-10-17 10:26:48,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-10-17 10:26:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-10-17 10:26:48,235 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-10-17 10:26:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:26:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 10:26:48,235 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 10:26:48,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:26:48,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:26:48,315 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:26:48,317 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:26:48,776 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:26:48,784 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:26:48,784 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:26:48,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:26:48 BoogieIcfgContainer [2022-10-17 10:26:48,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:26:48,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:26:48,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:26:48,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:26:48,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:26:47" (1/3) ... [2022-10-17 10:26:48,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a911c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:26:48, skipping insertion in model container [2022-10-17 10:26:48,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:26:47" (2/3) ... [2022-10-17 10:26:48,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a911c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:26:48, skipping insertion in model container [2022-10-17 10:26:48,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:26:48" (3/3) ... [2022-10-17 10:26:48,805 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product61.cil.c [2022-10-17 10:26:48,853 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:26:48,854 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:26:48,924 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:26:48,931 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;@27aff2e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:26:48,931 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:26:48,936 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) [2022-10-17 10:26:48,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 10:26:48,948 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:26:48,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:26:48,949 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:26:48,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:26:48,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1589663850, now seen corresponding path program 1 times [2022-10-17 10:26:48,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:26:48,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587475939] [2022-10-17 10:26:48,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:26:48,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:26:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:49,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-17 10:26:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:49,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:26:49,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:26:49,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587475939] [2022-10-17 10:26:49,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587475939] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:26:49,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:26:49,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 10:26:49,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783905851] [2022-10-17 10:26:49,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:26:49,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-17 10:26:49,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:26:49,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-17 10:26:49,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-17 10:26:49,224 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) [2022-10-17 10:26:49,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:26:49,275 INFO L93 Difference]: Finished difference Result 212 states and 287 transitions. [2022-10-17 10:26:49,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:26:49,278 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 [2022-10-17 10:26:49,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:26:49,288 INFO L225 Difference]: With dead ends: 212 [2022-10-17 10:26:49,288 INFO L226 Difference]: Without dead ends: 101 [2022-10-17 10:26:49,292 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 [2022-10-17 10:26:49,296 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 [2022-10-17 10:26:49,297 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] [2022-10-17 10:26:49,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-10-17 10:26:49,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-10-17 10:26:49,339 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) [2022-10-17 10:26:49,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 131 transitions. [2022-10-17 10:26:49,343 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 131 transitions. Word has length 25 [2022-10-17 10:26:49,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:26:49,344 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 131 transitions. [2022-10-17 10:26:49,344 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) [2022-10-17 10:26:49,344 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 131 transitions. [2022-10-17 10:26:49,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 10:26:49,348 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:26:49,348 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] [2022-10-17 10:26:49,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:26:49,348 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:26:49,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:26:49,349 INFO L85 PathProgramCache]: Analyzing trace with hash 363264377, now seen corresponding path program 1 times [2022-10-17 10:26:49,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:26:49,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567501567] [2022-10-17 10:26:49,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:26:49,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:26:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:49,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-17 10:26:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:49,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:26:49,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:26:49,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567501567] [2022-10-17 10:26:49,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567501567] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:26:49,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:26:49,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:26:49,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269099472] [2022-10-17 10:26:49,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:26:49,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:26:49,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:26:49,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:26:49,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:26:49,582 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) [2022-10-17 10:26:49,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:26:49,603 INFO L93 Difference]: Finished difference Result 168 states and 218 transitions. [2022-10-17 10:26:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:26:49,604 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 [2022-10-17 10:26:49,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:26:49,606 INFO L225 Difference]: With dead ends: 168 [2022-10-17 10:26:49,606 INFO L226 Difference]: Without dead ends: 92 [2022-10-17 10:26:49,608 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 [2022-10-17 10:26:49,611 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 [2022-10-17 10:26:49,614 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] [2022-10-17 10:26:49,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-10-17 10:26:49,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-10-17 10:26:49,634 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) [2022-10-17 10:26:49,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2022-10-17 10:26:49,639 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 26 [2022-10-17 10:26:49,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:26:49,639 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2022-10-17 10:26:49,640 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) [2022-10-17 10:26:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2022-10-17 10:26:49,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 10:26:49,642 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:26:49,642 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] [2022-10-17 10:26:49,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:26:49,642 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:26:49,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:26:49,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1922022974, now seen corresponding path program 1 times [2022-10-17 10:26:49,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:26:49,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972837980] [2022-10-17 10:26:49,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:26:49,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:26:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:49,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:26:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:49,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:26:49,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:26:49,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972837980] [2022-10-17 10:26:49,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972837980] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:26:49,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:26:49,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:26:49,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832799934] [2022-10-17 10:26:49,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:26:49,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:26:49,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:26:49,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:26:49,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:26:49,896 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) [2022-10-17 10:26:50,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:26:50,103 INFO L93 Difference]: Finished difference Result 177 states and 232 transitions. [2022-10-17 10:26:50,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:26:50,104 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 [2022-10-17 10:26:50,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:26:50,106 INFO L225 Difference]: With dead ends: 177 [2022-10-17 10:26:50,106 INFO L226 Difference]: Without dead ends: 92 [2022-10-17 10:26:50,108 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 [2022-10-17 10:26:50,109 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 [2022-10-17 10:26:50,110 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] [2022-10-17 10:26:50,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-10-17 10:26:50,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-10-17 10:26:50,123 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) [2022-10-17 10:26:50,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 118 transitions. [2022-10-17 10:26:50,124 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 118 transitions. Word has length 30 [2022-10-17 10:26:50,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:26:50,125 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 118 transitions. [2022-10-17 10:26:50,125 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) [2022-10-17 10:26:50,125 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 118 transitions. [2022-10-17 10:26:50,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 10:26:50,128 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:26:50,128 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] [2022-10-17 10:26:50,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:26:50,128 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:26:50,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:26:50,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1575345012, now seen corresponding path program 1 times [2022-10-17 10:26:50,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:26:50,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121080008] [2022-10-17 10:26:50,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:26:50,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:26:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:50,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:26:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:50,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:26:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:50,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:26:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:50,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:26:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:50,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:26:50,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:26:50,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121080008] [2022-10-17 10:26:50,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121080008] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:26:50,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:26:50,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:26:50,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36434201] [2022-10-17 10:26:50,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:26:50,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:26:50,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:26:50,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:26:50,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:26:50,313 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) [2022-10-17 10:26:50,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:26:50,620 INFO L93 Difference]: Finished difference Result 268 states and 342 transitions. [2022-10-17 10:26:50,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-17 10:26:50,621 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 [2022-10-17 10:26:50,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:26:50,633 INFO L225 Difference]: With dead ends: 268 [2022-10-17 10:26:50,633 INFO L226 Difference]: Without dead ends: 183 [2022-10-17 10:26:50,637 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 [2022-10-17 10:26:50,640 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 [2022-10-17 10:26:50,644 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] [2022-10-17 10:26:50,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-10-17 10:26:50,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 177. [2022-10-17 10:26:50,698 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) [2022-10-17 10:26:50,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 215 transitions. [2022-10-17 10:26:50,706 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 215 transitions. Word has length 45 [2022-10-17 10:26:50,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:26:50,711 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 215 transitions. [2022-10-17 10:26:50,712 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) [2022-10-17 10:26:50,712 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 215 transitions. [2022-10-17 10:26:50,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 10:26:50,714 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:26:50,714 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] [2022-10-17 10:26:50,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:26:50,714 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:26:50,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:26:50,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1919204828, now seen corresponding path program 1 times [2022-10-17 10:26:50,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:26:50,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187662277] [2022-10-17 10:26:50,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:26:50,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:26:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:26:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:50,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:26:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:50,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:26:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:50,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-17 10:26:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:50,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:26:50,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:26:50,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187662277] [2022-10-17 10:26:50,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187662277] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:26:50,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:26:50,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:26:50,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229955780] [2022-10-17 10:26:50,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:26:50,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:26:50,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:26:50,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:26:50,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:26:50,975 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) [2022-10-17 10:26:51,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:26:51,253 INFO L93 Difference]: Finished difference Result 452 states and 570 transitions. [2022-10-17 10:26:51,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-17 10:26:51,254 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 [2022-10-17 10:26:51,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:26:51,260 INFO L225 Difference]: With dead ends: 452 [2022-10-17 10:26:51,260 INFO L226 Difference]: Without dead ends: 282 [2022-10-17 10:26:51,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-10-17 10:26:51,273 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 [2022-10-17 10:26:51,276 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] [2022-10-17 10:26:51,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-10-17 10:26:51,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 274. [2022-10-17 10:26:51,331 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) [2022-10-17 10:26:51,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 335 transitions. [2022-10-17 10:26:51,334 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 335 transitions. Word has length 51 [2022-10-17 10:26:51,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:26:51,335 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 335 transitions. [2022-10-17 10:26:51,335 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) [2022-10-17 10:26:51,336 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 335 transitions. [2022-10-17 10:26:51,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 10:26:51,338 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:26:51,338 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] [2022-10-17 10:26:51,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-17 10:26:51,339 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:26:51,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:26:51,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1745115842, now seen corresponding path program 1 times [2022-10-17 10:26:51,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:26:51,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171408406] [2022-10-17 10:26:51,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:26:51,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:26:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:51,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:26:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:51,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:26:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:51,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:26:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:51,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:26:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:51,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-17 10:26:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:51,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:26:51,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:26:51,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171408406] [2022-10-17 10:26:51,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171408406] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:26:51,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:26:51,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-17 10:26:51,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801311786] [2022-10-17 10:26:51,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:26:51,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-17 10:26:51,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:26:51,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-17 10:26:51,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-17 10:26:51,494 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) [2022-10-17 10:26:52,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:26:52,111 INFO L93 Difference]: Finished difference Result 674 states and 862 transitions. [2022-10-17 10:26:52,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-17 10:26:52,112 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 [2022-10-17 10:26:52,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:26:52,117 INFO L225 Difference]: With dead ends: 674 [2022-10-17 10:26:52,118 INFO L226 Difference]: Without dead ends: 504 [2022-10-17 10:26:52,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2022-10-17 10:26:52,120 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 459 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-10-17 10:26:52,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 378 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-17 10:26:52,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2022-10-17 10:26:52,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 458. [2022-10-17 10:26:52,178 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) [2022-10-17 10:26:52,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 566 transitions. [2022-10-17 10:26:52,182 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 566 transitions. Word has length 55 [2022-10-17 10:26:52,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:26:52,183 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 566 transitions. [2022-10-17 10:26:52,183 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) [2022-10-17 10:26:52,183 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 566 transitions. [2022-10-17 10:26:52,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 10:26:52,186 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:26:52,186 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] [2022-10-17 10:26:52,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-17 10:26:52,187 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:26:52,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:26:52,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1683076228, now seen corresponding path program 1 times [2022-10-17 10:26:52,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:26:52,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534810323] [2022-10-17 10:26:52,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:26:52,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:26:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:52,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:26:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:52,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:26:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:52,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:26:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:52,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:26:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:52,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-17 10:26:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:52,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:26:52,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:26:52,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534810323] [2022-10-17 10:26:52,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534810323] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:26:52,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:26:52,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:26:52,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176032132] [2022-10-17 10:26:52,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:26:52,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:26:52,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:26:52,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:26:52,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:26:52,374 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) [2022-10-17 10:26:52,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:26:52,696 INFO L93 Difference]: Finished difference Result 850 states and 1060 transitions. [2022-10-17 10:26:52,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-17 10:26:52,697 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 [2022-10-17 10:26:52,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:26:52,704 INFO L225 Difference]: With dead ends: 850 [2022-10-17 10:26:52,704 INFO L226 Difference]: Without dead ends: 492 [2022-10-17 10:26:52,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-10-17 10:26:52,709 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, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:26:52,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 343 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:26:52,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2022-10-17 10:26:52,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 458. [2022-10-17 10:26:52,788 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) [2022-10-17 10:26:52,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 565 transitions. [2022-10-17 10:26:52,793 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 565 transitions. Word has length 55 [2022-10-17 10:26:52,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:26:52,794 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 565 transitions. [2022-10-17 10:26:52,794 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) [2022-10-17 10:26:52,794 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 565 transitions. [2022-10-17 10:26:52,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 10:26:52,796 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:26:52,796 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] [2022-10-17 10:26:52,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-17 10:26:52,797 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:26:52,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:26:52,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1817089734, now seen corresponding path program 1 times [2022-10-17 10:26:52,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:26:52,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520359673] [2022-10-17 10:26:52,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:26:52,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:26:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:52,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:26:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:52,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:26:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:52,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:26:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:26:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:53,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-17 10:26:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:53,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:26:53,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:26:53,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520359673] [2022-10-17 10:26:53,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520359673] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:26:53,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:26:53,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-17 10:26:53,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682269474] [2022-10-17 10:26:53,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:26:53,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-17 10:26:53,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:26:53,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-17 10:26:53,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-17 10:26:53,022 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) [2022-10-17 10:26:53,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:26:53,491 INFO L93 Difference]: Finished difference Result 938 states and 1173 transitions. [2022-10-17 10:26:53,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-17 10:26:53,491 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 [2022-10-17 10:26:53,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:26:53,496 INFO L225 Difference]: With dead ends: 938 [2022-10-17 10:26:53,496 INFO L226 Difference]: Without dead ends: 487 [2022-10-17 10:26:53,498 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 [2022-10-17 10:26:53,499 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 [2022-10-17 10:26:53,499 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] [2022-10-17 10:26:53,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2022-10-17 10:26:53,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 461. [2022-10-17 10:26:53,550 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) [2022-10-17 10:26:53,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 567 transitions. [2022-10-17 10:26:53,556 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 567 transitions. Word has length 55 [2022-10-17 10:26:53,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:26:53,556 INFO L495 AbstractCegarLoop]: Abstraction has 461 states and 567 transitions. [2022-10-17 10:26:53,556 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) [2022-10-17 10:26:53,556 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 567 transitions. [2022-10-17 10:26:53,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 10:26:53,559 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:26:53,559 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] [2022-10-17 10:26:53,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-17 10:26:53,559 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:26:53,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:26:53,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1139830327, now seen corresponding path program 1 times [2022-10-17 10:26:53,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:26:53,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294236001] [2022-10-17 10:26:53,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:26:53,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:26:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:53,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:26:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:53,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:26:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:53,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:26:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:53,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:26:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:53,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-17 10:26:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:53,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 10:26:53,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:26:53,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294236001] [2022-10-17 10:26:53,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294236001] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:26:53,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:26:53,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-17 10:26:53,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126505518] [2022-10-17 10:26:53,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:26:53,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-17 10:26:53,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:26:53,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-17 10:26:53,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-10-17 10:26:53,886 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) [2022-10-17 10:26:55,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:26:55,021 INFO L93 Difference]: Finished difference Result 1353 states and 1732 transitions. [2022-10-17 10:26:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-17 10:26:55,022 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 [2022-10-17 10:26:55,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:26:55,030 INFO L225 Difference]: With dead ends: 1353 [2022-10-17 10:26:55,030 INFO L226 Difference]: Without dead ends: 899 [2022-10-17 10:26:55,033 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 [2022-10-17 10:26:55,036 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 243 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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 [2022-10-17 10:26:55,036 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] [2022-10-17 10:26:55,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2022-10-17 10:26:55,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 862. [2022-10-17 10:26:55,107 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) [2022-10-17 10:26:55,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1066 transitions. [2022-10-17 10:26:55,114 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1066 transitions. Word has length 64 [2022-10-17 10:26:55,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:26:55,114 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1066 transitions. [2022-10-17 10:26:55,114 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) [2022-10-17 10:26:55,115 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1066 transitions. [2022-10-17 10:26:55,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 10:26:55,117 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:26:55,117 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] [2022-10-17 10:26:55,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-17 10:26:55,118 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:26:55,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:26:55,118 INFO L85 PathProgramCache]: Analyzing trace with hash 890398829, now seen corresponding path program 1 times [2022-10-17 10:26:55,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:26:55,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193655196] [2022-10-17 10:26:55,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:26:55,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:26:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:55,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:26:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:55,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-17 10:26:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:55,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:26:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:55,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:26:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:55,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:55,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-17 10:26:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:55,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 10:26:55,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:26:55,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193655196] [2022-10-17 10:26:55,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193655196] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:26:55,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:26:55,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-10-17 10:26:55,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885179582] [2022-10-17 10:26:55,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:26:55,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-17 10:26:55,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:26:55,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-17 10:26:55,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-17 10:26:55,302 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) [2022-10-17 10:26:55,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:26:55,895 INFO L93 Difference]: Finished difference Result 1726 states and 2134 transitions. [2022-10-17 10:26:55,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-17 10:26:55,896 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 [2022-10-17 10:26:55,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:26:55,902 INFO L225 Difference]: With dead ends: 1726 [2022-10-17 10:26:55,903 INFO L226 Difference]: Without dead ends: 871 [2022-10-17 10:26:55,906 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 [2022-10-17 10:26:55,907 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, 0.4s IncrementalHoareTripleChecker+Time [2022-10-17 10:26:55,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 653 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-17 10:26:55,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2022-10-17 10:26:55,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 862. [2022-10-17 10:26:55,973 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) [2022-10-17 10:26:55,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1039 transitions. [2022-10-17 10:26:55,980 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1039 transitions. Word has length 65 [2022-10-17 10:26:55,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:26:55,980 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1039 transitions. [2022-10-17 10:26:55,980 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) [2022-10-17 10:26:55,981 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1039 transitions. [2022-10-17 10:26:56,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-17 10:26:56,002 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:26:56,002 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] [2022-10-17 10:26:56,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-17 10:26:56,003 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:26:56,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:26:56,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1014722144, now seen corresponding path program 1 times [2022-10-17 10:26:56,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:26:56,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009283089] [2022-10-17 10:26:56,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:26:56,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:26:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-17 10:26:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:56,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-17 10:26:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:56,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-17 10:26:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:56,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:26:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:56,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-17 10:26:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:56,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:56,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-17 10:26:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:56,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-17 10:26:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:56,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:26:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:56,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-17 10:26:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:56,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-17 10:26:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:56,318 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 10:26:56,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:26:56,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009283089] [2022-10-17 10:26:56,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009283089] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:26:56,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159743006] [2022-10-17 10:26:56,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:26:56,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:26:56,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:26:56,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:26:56,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 10:26:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:26:56,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 10:26:56,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:26:56,706 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 10:26:56,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:26:57,081 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 10:26:57,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159743006] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:26:57,082 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:26:57,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 9] total 22 [2022-10-17 10:26:57,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192051061] [2022-10-17 10:26:57,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:26:57,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-17 10:26:57,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:26:57,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-17 10:26:57,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2022-10-17 10:26:57,084 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) [2022-10-17 10:26:59,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:26:59,112 INFO L93 Difference]: Finished difference Result 1813 states and 2250 transitions. [2022-10-17 10:26:59,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-10-17 10:26:59,113 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 [2022-10-17 10:26:59,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:26:59,114 INFO L225 Difference]: With dead ends: 1813 [2022-10-17 10:26:59,115 INFO L226 Difference]: Without dead ends: 0 [2022-10-17 10:26:59,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 228 SyntacticMatches, 7 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1420 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1173, Invalid=4083, Unknown=0, NotChecked=0, Total=5256 [2022-10-17 10:26:59,140 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 1611 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 974 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:26:59,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1613 Valid, 611 Invalid, 2385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [974 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-17 10:26:59,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-17 10:26:59,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-17 10:26:59,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:26:59,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:26:59,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2022-10-17 10:26:59,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:26:59,142 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:26:59,142 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) [2022-10-17 10:26:59,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:26:59,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 10:26:59,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-10-17 10:26:59,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:26:59,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:26:59,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-17 10:27:04,491 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))) [2022-10-17 10:27:04,491 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 266 273) no Hoare annotation was computed. [2022-10-17 10:27:04,491 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 266 273) no Hoare annotation was computed. [2022-10-17 10:27:04,491 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 156 162) no Hoare annotation was computed. [2022-10-17 10:27:04,491 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 156 162) the Hoare annotation is: true [2022-10-17 10:27:04,492 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))))) [2022-10-17 10:27:04,492 INFO L899 garLoopResultBuilder]: For program point L209-1(lines 190 214) no Hoare annotation was computed. [2022-10-17 10:27:04,492 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))))) [2022-10-17 10:27:04,492 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 362) no Hoare annotation was computed. [2022-10-17 10:27:04,492 INFO L899 garLoopResultBuilder]: For program point L358-2(lines 358 362) no Hoare annotation was computed. [2022-10-17 10:27:04,492 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))))) [2022-10-17 10:27:04,493 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))))) [2022-10-17 10:27:04,493 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))))) [2022-10-17 10:27:04,493 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 190 214) no Hoare annotation was computed. [2022-10-17 10:27:04,493 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))))) [2022-10-17 10:27:04,493 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 206) no Hoare annotation was computed. [2022-10-17 10:27:04,493 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 211) no Hoare annotation was computed. [2022-10-17 10:27:04,493 INFO L899 garLoopResultBuilder]: For program point L400-1(lines 396 407) no Hoare annotation was computed. [2022-10-17 10:27:04,494 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)))) [2022-10-17 10:27:04,494 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 396 407) no Hoare annotation was computed. [2022-10-17 10:27:04,494 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 408 416) the Hoare annotation is: true [2022-10-17 10:27:04,494 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 408 416) no Hoare annotation was computed. [2022-10-17 10:27:04,494 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 408 416) no Hoare annotation was computed. [2022-10-17 10:27:04,494 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 483 512) no Hoare annotation was computed. [2022-10-17 10:27:04,494 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 483 512) the Hoare annotation is: true [2022-10-17 10:27:04,494 INFO L902 garLoopResultBuilder]: At program point L508(lines 483 512) the Hoare annotation is: true [2022-10-17 10:27:04,495 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-10-17 10:27:04,495 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 501) no Hoare annotation was computed. [2022-10-17 10:27:04,495 INFO L902 garLoopResultBuilder]: At program point L497-1(lines 497 501) the Hoare annotation is: true [2022-10-17 10:27:04,495 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-10-17 10:27:04,495 INFO L902 garLoopResultBuilder]: At program point L493-2(lines 493 507) the Hoare annotation is: true [2022-10-17 10:27:04,495 INFO L902 garLoopResultBuilder]: At program point L489(line 489) the Hoare annotation is: true [2022-10-17 10:27:04,495 INFO L899 garLoopResultBuilder]: For program point L489-1(line 489) no Hoare annotation was computed. [2022-10-17 10:27:04,495 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-10-17 10:27:04,495 INFO L899 garLoopResultBuilder]: For program point L143-1(lines 143 149) no Hoare annotation was computed. [2022-10-17 10:27:04,496 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 132 155) no Hoare annotation was computed. [2022-10-17 10:27:04,496 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))) [2022-10-17 10:27:04,496 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))) [2022-10-17 10:27:04,496 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))) [2022-10-17 10:27:04,496 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))) [2022-10-17 10:27:04,497 INFO L899 garLoopResultBuilder]: For program point L222-1(line 222) no Hoare annotation was computed. [2022-10-17 10:27:04,497 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))) [2022-10-17 10:27:04,497 INFO L899 garLoopResultBuilder]: For program point L590(lines 590 610) no Hoare annotation was computed. [2022-10-17 10:27:04,497 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))) [2022-10-17 10:27:04,497 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))) [2022-10-17 10:27:04,498 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 135 154) no Hoare annotation was computed. [2022-10-17 10:27:04,498 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2022-10-17 10:27:04,498 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))) [2022-10-17 10:27:04,498 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))) [2022-10-17 10:27:04,498 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 232) no Hoare annotation was computed. [2022-10-17 10:27:04,498 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 237) no Hoare annotation was computed. [2022-10-17 10:27:04,499 INFO L899 garLoopResultBuilder]: For program point L600(lines 600 606) no Hoare annotation was computed. [2022-10-17 10:27:04,499 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 609) no Hoare annotation was computed. [2022-10-17 10:27:04,499 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)|))))) [2022-10-17 10:27:04,499 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))) [2022-10-17 10:27:04,499 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))) [2022-10-17 10:27:04,500 INFO L899 garLoopResultBuilder]: For program point L588-1(line 588) no Hoare annotation was computed. [2022-10-17 10:27:04,500 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 132 155) no Hoare annotation was computed. [2022-10-17 10:27:04,500 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 477) no Hoare annotation was computed. [2022-10-17 10:27:04,500 INFO L902 garLoopResultBuilder]: At program point L576(lines 557 579) the Hoare annotation is: true [2022-10-17 10:27:04,500 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)) [2022-10-17 10:27:04,500 INFO L895 garLoopResultBuilder]: At program point L110(lines 63 111) the Hoare annotation is: false [2022-10-17 10:27:04,500 INFO L899 garLoopResultBuilder]: For program point L65(lines 64 109) no Hoare annotation was computed. [2022-10-17 10:27:04,501 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-17 10:27:04,501 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 105) no Hoare annotation was computed. [2022-10-17 10:27:04,501 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-17 10:27:04,501 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-17 10:27:04,501 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))) [2022-10-17 10:27:04,501 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))) [2022-10-17 10:27:04,501 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed. [2022-10-17 10:27:04,501 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2022-10-17 10:27:04,502 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-10-17 10:27:04,502 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-17 10:27:04,502 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)) [2022-10-17 10:27:04,502 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)) [2022-10-17 10:27:04,502 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2022-10-17 10:27:04,502 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))) [2022-10-17 10:27:04,502 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)) [2022-10-17 10:27:04,503 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 574) no Hoare annotation was computed. [2022-10-17 10:27:04,503 INFO L899 garLoopResultBuilder]: For program point L567-2(lines 567 574) no Hoare annotation was computed. [2022-10-17 10:27:04,503 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2022-10-17 10:27:04,503 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2022-10-17 10:27:04,503 INFO L902 garLoopResultBuilder]: At program point L113(lines 54 117) the Hoare annotation is: true [2022-10-17 10:27:04,503 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))) [2022-10-17 10:27:04,503 INFO L902 garLoopResultBuilder]: At program point L551(lines 544 553) the Hoare annotation is: true [2022-10-17 10:27:04,504 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))))) [2022-10-17 10:27:04,504 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 262) no Hoare annotation was computed. [2022-10-17 10:27:04,504 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)))))) [2022-10-17 10:27:04,504 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)))) [2022-10-17 10:27:04,504 INFO L899 garLoopResultBuilder]: For program point L254-1(line 254) no Hoare annotation was computed. [2022-10-17 10:27:04,505 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))))) [2022-10-17 10:27:04,505 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))) [2022-10-17 10:27:04,505 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2022-10-17 10:27:04,505 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)))) [2022-10-17 10:27:04,505 INFO L899 garLoopResultBuilder]: For program point L339-2(lines 339 343) no Hoare annotation was computed. [2022-10-17 10:27:04,505 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 180) no Hoare annotation was computed. [2022-10-17 10:27:04,505 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 185) no Hoare annotation was computed. [2022-10-17 10:27:04,506 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 459) no Hoare annotation was computed. [2022-10-17 10:27:04,506 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 164 188) no Hoare annotation was computed. [2022-10-17 10:27:04,506 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))))) [2022-10-17 10:27:04,506 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 164 188) no Hoare annotation was computed. [2022-10-17 10:27:04,506 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))))) [2022-10-17 10:27:04,506 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 384 395) no Hoare annotation was computed. [2022-10-17 10:27:04,507 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))) [2022-10-17 10:27:04,507 INFO L899 garLoopResultBuilder]: For program point L388-1(lines 384 395) no Hoare annotation was computed. [2022-10-17 10:27:04,507 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 274 284) the Hoare annotation is: true [2022-10-17 10:27:04,507 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 274 284) no Hoare annotation was computed. [2022-10-17 10:27:04,507 INFO L902 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: true [2022-10-17 10:27:04,507 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 274 284) no Hoare annotation was computed. [2022-10-17 10:27:04,507 INFO L899 garLoopResultBuilder]: For program point L279-1(line 279) no Hoare annotation was computed. [2022-10-17 10:27:04,510 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:27:04,512 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:27:04,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:27:04 BoogieIcfgContainer [2022-10-17 10:27:04,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:27:04,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:27:04,558 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:27:04,558 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:27:04,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:26:48" (3/4) ... [2022-10-17 10:27:04,561 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 10:27:04,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-10-17 10:27:04,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 10:27:04,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 10:27:04,567 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 10:27:04,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 10:27:04,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 10:27:04,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-10-17 10:27:04,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 10:27:04,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-10-17 10:27:04,568 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-10-17 10:27:04,577 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2022-10-17 10:27:04,578 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-10-17 10:27:04,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-10-17 10:27:04,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 10:27:04,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 10:27:04,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:27:04,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 10:27:04,605 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-10-17 10:27:04,605 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive [2022-10-17 10:27:04,606 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) [2022-10-17 10:27:04,606 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)) [2022-10-17 10:27:04,607 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)) [2022-10-17 10:27:04,608 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)) [2022-10-17 10:27:04,609 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)) [2022-10-17 10:27:04,609 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)) [2022-10-17 10:27:04,609 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)) [2022-10-17 10:27:04,609 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)) [2022-10-17 10:27:04,610 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)) [2022-10-17 10:27:04,610 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)) [2022-10-17 10:27:04,610 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)) [2022-10-17 10:27:04,611 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)) [2022-10-17 10:27:04,611 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)) [2022-10-17 10:27:04,653 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/witness.graphml [2022-10-17 10:27:04,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:27:04,654 INFO L158 Benchmark]: Toolchain (without parser) took 17212.48ms. Allocated memory was 94.4MB in the beginning and 228.6MB in the end (delta: 134.2MB). Free memory was 72.4MB in the beginning and 92.5MB in the end (delta: -20.1MB). Peak memory consumption was 113.8MB. Max. memory is 16.1GB. [2022-10-17 10:27:04,655 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 69.2MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:27:04,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.35ms. Allocated memory is still 94.4MB. Free memory was 72.2MB in the beginning and 59.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 10:27:04,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.67ms. Allocated memory is still 94.4MB. Free memory was 59.3MB in the beginning and 56.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:27:04,660 INFO L158 Benchmark]: Boogie Preprocessor took 31.63ms. Allocated memory is still 94.4MB. Free memory was 56.9MB in the beginning and 55.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:27:04,661 INFO L158 Benchmark]: RCFGBuilder took 703.34ms. Allocated memory is still 94.4MB. Free memory was 54.9MB in the beginning and 34.9MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 10:27:04,661 INFO L158 Benchmark]: TraceAbstraction took 15761.82ms. Allocated memory was 94.4MB in the beginning and 228.6MB in the end (delta: 134.2MB). Free memory was 34.2MB in the beginning and 99.8MB in the end (delta: -65.6MB). Peak memory consumption was 108.0MB. Max. memory is 16.1GB. [2022-10-17 10:27:04,662 INFO L158 Benchmark]: Witness Printer took 96.19ms. Allocated memory is still 228.6MB. Free memory was 99.8MB in the beginning and 92.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:27:04,665 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 94.4MB. Free memory was 69.2MB in the beginning and 69.2MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 544.35ms. Allocated memory is still 94.4MB. Free memory was 72.2MB in the beginning and 59.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.67ms. Allocated memory is still 94.4MB. Free memory was 59.3MB in the beginning and 56.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.63ms. Allocated memory is still 94.4MB. Free memory was 56.9MB in the beginning and 55.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 703.34ms. Allocated memory is still 94.4MB. Free memory was 54.9MB in the beginning and 34.9MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 15761.82ms. Allocated memory was 94.4MB in the beginning and 228.6MB in the end (delta: 134.2MB). Free memory was 34.2MB in the beginning and 99.8MB in the end (delta: -65.6MB). Peak memory consumption was 108.0MB. Max. memory is 16.1GB. * Witness Printer took 96.19ms. Allocated memory is still 228.6MB. Free memory was 99.8MB in the beginning and 92.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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: 15.6s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3700 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3667 mSDsluCounter, 4821 SdHoareTripleChecker+Invalid, 3.2s 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, 1.7s 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, 0.5s HoareSimplificationTime, 50 FomulaSimplificationsInter, 15815 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s 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! [2022-10-17 10:27:04,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0214d49-6612-4525-8570-9cc1a85d3934/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE