./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN --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 b57a794fa6b429f14911ed2b6a28ecb30bf580e5cb37ae05e7120c2d485c2d18 --- 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-6b4ec56 [2022-11-20 10:31:35,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:31:35,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:31:35,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:31:35,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:31:35,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:31:35,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:31:35,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:31:35,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:31:35,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:31:35,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:31:35,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:31:35,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:31:35,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:31:35,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:31:35,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:31:35,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:31:35,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:31:35,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:31:35,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:31:35,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:31:35,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:31:35,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:31:35,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:31:35,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:31:35,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:31:35,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:31:35,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:31:35,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:31:35,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:31:35,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:31:35,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:31:35,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:31:36,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:31:36,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:31:36,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:31:36,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:31:36,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:31:36,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:31:36,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:31:36,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:31:36,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 10:31:36,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:31:36,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:31:36,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:31:36,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:31:36,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:31:36,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:31:36,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:31:36,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:31:36,050 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:31:36,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:31:36,051 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:31:36,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:31:36,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:31:36,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:31:36,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:31:36,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:31:36,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:31:36,053 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:31:36,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:31:36,054 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:31:36,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:31:36,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:31:36,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:31:36,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:31:36,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:31:36,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:31:36,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:31:36,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:31:36,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:31:36,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:31:36,057 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:31:36,057 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:31:36,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:31:36,058 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_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b57a794fa6b429f14911ed2b6a28ecb30bf580e5cb37ae05e7120c2d485c2d18 [2022-11-20 10:31:36,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:31:36,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:31:36,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:31:36,381 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:31:36,381 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:31:36,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c [2022-11-20 10:31:39,582 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:31:39,909 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:31:39,909 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c [2022-11-20 10:31:39,920 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/data/7ce87e6e6/887171767dd14cc78f17f77e74774061/FLAG65183e377 [2022-11-20 10:31:39,934 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/data/7ce87e6e6/887171767dd14cc78f17f77e74774061 [2022-11-20 10:31:39,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:31:39,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:31:39,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:31:39,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:31:39,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:31:39,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:31:39" (1/1) ... [2022-11-20 10:31:39,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339dab8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:39, skipping insertion in model container [2022-11-20 10:31:39,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:31:39" (1/1) ... [2022-11-20 10:31:39,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:31:39,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:31:40,256 WARN L237 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_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c[18075,18088] [2022-11-20 10:31:40,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:31:40,276 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:31:40,350 WARN L237 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_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c[18075,18088] [2022-11-20 10:31:40,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:31:40,383 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:31:40,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:40 WrapperNode [2022-11-20 10:31:40,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:31:40,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:31:40,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:31:40,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:31:40,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:40" (1/1) ... [2022-11-20 10:31:40,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:40" (1/1) ... [2022-11-20 10:31:40,434 INFO L138 Inliner]: procedures = 60, calls = 106, calls flagged for inlining = 28, calls inlined = 25, statements flattened = 235 [2022-11-20 10:31:40,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:31:40,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:31:40,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:31:40,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:31:40,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:40" (1/1) ... [2022-11-20 10:31:40,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:40" (1/1) ... [2022-11-20 10:31:40,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:40" (1/1) ... [2022-11-20 10:31:40,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:40" (1/1) ... [2022-11-20 10:31:40,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:40" (1/1) ... [2022-11-20 10:31:40,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:40" (1/1) ... [2022-11-20 10:31:40,461 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:40" (1/1) ... [2022-11-20 10:31:40,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:40" (1/1) ... [2022-11-20 10:31:40,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:31:40,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:31:40,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:31:40,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:31:40,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:40" (1/1) ... [2022-11-20 10:31:40,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:31:40,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:31:40,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:31:40,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:31:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:31:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 10:31:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 10:31:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 10:31:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 10:31:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 10:31:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 10:31:40,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 10:31:40,554 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 10:31:40,554 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 10:31:40,555 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 10:31:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-20 10:31:40,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-20 10:31:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-20 10:31:40,555 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-20 10:31:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:31:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 10:31:40,556 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 10:31:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:31:40,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:31:40,670 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:31:40,673 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:31:40,995 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:31:41,004 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:31:41,004 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:31:41,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:41 BoogieIcfgContainer [2022-11-20 10:31:41,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:31:41,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:31:41,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:31:41,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:31:41,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:31:39" (1/3) ... [2022-11-20 10:31:41,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66875506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:31:41, skipping insertion in model container [2022-11-20 10:31:41,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:31:40" (2/3) ... [2022-11-20 10:31:41,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66875506 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:31:41, skipping insertion in model container [2022-11-20 10:31:41,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:41" (3/3) ... [2022-11-20 10:31:41,030 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2022-11-20 10:31:41,051 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:31:41,051 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:31:41,111 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:31:41,118 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;@2c0f3ff2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:31:41,118 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:31:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 80 states have (on average 1.3625) internal successors, (109), 89 states have internal predecessors, (109), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-20 10:31:41,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 10:31:41,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:41,136 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] [2022-11-20 10:31:41,136 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:41,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:41,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1321598299, now seen corresponding path program 1 times [2022-11-20 10:31:41,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:41,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225310797] [2022-11-20 10:31:41,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:41,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:41,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 10:31:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:41,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 10:31:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:41,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 10:31:41,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:41,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225310797] [2022-11-20 10:31:41,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225310797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:41,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:41,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:31:41,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704677793] [2022-11-20 10:31:41,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:41,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 10:31:41,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:41,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 10:31:41,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:31:41,510 INFO L87 Difference]: Start difference. First operand has 104 states, 80 states have (on average 1.3625) internal successors, (109), 89 states have internal predecessors, (109), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:31:41,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:41,593 INFO L93 Difference]: Finished difference Result 199 states and 268 transitions. [2022-11-20 10:31:41,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 10:31:41,596 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-20 10:31:41,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:41,609 INFO L225 Difference]: With dead ends: 199 [2022-11-20 10:31:41,609 INFO L226 Difference]: Without dead ends: 95 [2022-11-20 10:31:41,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:31:41,621 INFO L413 NwaCegarLoop]: 131 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, 131 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:41,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:31:41,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-20 10:31:41,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-11-20 10:31:41,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 73 states have (on average 1.3013698630136987) internal successors, (95), 81 states have internal predecessors, (95), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-20 10:31:41,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 122 transitions. [2022-11-20 10:31:41,703 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 122 transitions. Word has length 32 [2022-11-20 10:31:41,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:41,704 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 122 transitions. [2022-11-20 10:31:41,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:31:41,705 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 122 transitions. [2022-11-20 10:31:41,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 10:31:41,710 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:41,710 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] [2022-11-20 10:31:41,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:31:41,711 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:41,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:41,714 INFO L85 PathProgramCache]: Analyzing trace with hash 932141827, now seen corresponding path program 1 times [2022-11-20 10:31:41,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:41,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998606671] [2022-11-20 10:31:41,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:41,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:41,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 10:31:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:41,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-20 10:31:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:41,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 10:31:41,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:41,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998606671] [2022-11-20 10:31:41,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998606671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:41,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:41,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:31:41,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857849558] [2022-11-20 10:31:41,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:41,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:31:41,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:41,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:31:41,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:41,880 INFO L87 Difference]: Start difference. First operand 95 states and 122 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:31:41,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:41,909 INFO L93 Difference]: Finished difference Result 150 states and 192 transitions. [2022-11-20 10:31:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:31:41,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-20 10:31:41,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:41,914 INFO L225 Difference]: With dead ends: 150 [2022-11-20 10:31:41,914 INFO L226 Difference]: Without dead ends: 86 [2022-11-20 10:31:41,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:31:41,921 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 17 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:41,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 196 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:31:41,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-20 10:31:41,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-11-20 10:31:41,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 75 states have internal predecessors, (88), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-20 10:31:41,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 110 transitions. [2022-11-20 10:31:41,940 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 110 transitions. Word has length 33 [2022-11-20 10:31:41,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:41,941 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 110 transitions. [2022-11-20 10:31:41,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:31:41,942 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 110 transitions. [2022-11-20 10:31:41,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 10:31:41,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:41,946 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] [2022-11-20 10:31:41,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:31:41,946 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:41,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:41,949 INFO L85 PathProgramCache]: Analyzing trace with hash -509762780, now seen corresponding path program 1 times [2022-11-20 10:31:41,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:41,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125365282] [2022-11-20 10:31:41,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:41,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:42,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 10:31:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:42,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-20 10:31:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 10:31:42,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:42,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125365282] [2022-11-20 10:31:42,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125365282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:42,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:42,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:31:42,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257307815] [2022-11-20 10:31:42,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:42,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:31:42,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:42,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:31:42,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:31:42,241 INFO L87 Difference]: Start difference. First operand 86 states and 110 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 10:31:42,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:42,380 INFO L93 Difference]: Finished difference Result 211 states and 274 transitions. [2022-11-20 10:31:42,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:31:42,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-11-20 10:31:42,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:42,383 INFO L225 Difference]: With dead ends: 211 [2022-11-20 10:31:42,383 INFO L226 Difference]: Without dead ends: 133 [2022-11-20 10:31:42,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:31:42,385 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 171 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:42,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 374 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:31:42,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-11-20 10:31:42,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 130. [2022-11-20 10:31:42,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 100 states have (on average 1.33) internal successors, (133), 111 states have internal predecessors, (133), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (18), 13 states have call predecessors, (18), 17 states have call successors, (18) [2022-11-20 10:31:42,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 168 transitions. [2022-11-20 10:31:42,413 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 168 transitions. Word has length 38 [2022-11-20 10:31:42,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:42,414 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 168 transitions. [2022-11-20 10:31:42,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 10:31:42,414 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 168 transitions. [2022-11-20 10:31:42,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 10:31:42,422 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:42,422 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] [2022-11-20 10:31:42,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:31:42,425 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:42,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:42,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1072402805, now seen corresponding path program 1 times [2022-11-20 10:31:42,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:42,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781299311] [2022-11-20 10:31:42,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:42,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:42,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-20 10:31:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:42,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 10:31:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 10:31:42,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:42,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781299311] [2022-11-20 10:31:42,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781299311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:42,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:42,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:31:42,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289854313] [2022-11-20 10:31:42,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:42,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:31:42,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:42,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:31:42,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:31:42,691 INFO L87 Difference]: Start difference. First operand 130 states and 168 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:31:42,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:42,847 INFO L93 Difference]: Finished difference Result 301 states and 400 transitions. [2022-11-20 10:31:42,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 10:31:42,848 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-11-20 10:31:42,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:42,850 INFO L225 Difference]: With dead ends: 301 [2022-11-20 10:31:42,850 INFO L226 Difference]: Without dead ends: 179 [2022-11-20 10:31:42,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:31:42,853 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 56 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:42,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 511 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:31:42,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-11-20 10:31:42,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 169. [2022-11-20 10:31:42,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 130 states have (on average 1.2692307692307692) internal successors, (165), 141 states have internal predecessors, (165), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (27), 20 states have call predecessors, (27), 21 states have call successors, (27) [2022-11-20 10:31:42,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 213 transitions. [2022-11-20 10:31:42,884 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 213 transitions. Word has length 41 [2022-11-20 10:31:42,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:42,884 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 213 transitions. [2022-11-20 10:31:42,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 10:31:42,885 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 213 transitions. [2022-11-20 10:31:42,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 10:31:42,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:42,887 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] [2022-11-20 10:31:42,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:31:42,911 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:42,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:42,912 INFO L85 PathProgramCache]: Analyzing trace with hash -2130728348, now seen corresponding path program 1 times [2022-11-20 10:31:42,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:42,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700128408] [2022-11-20 10:31:42,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:42,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:42,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 10:31:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:42,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 10:31:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:43,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-20 10:31:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:43,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 10:31:43,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:43,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700128408] [2022-11-20 10:31:43,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700128408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:43,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:43,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:31:43,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317678399] [2022-11-20 10:31:43,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:43,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:31:43,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:43,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:31:43,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:31:43,052 INFO L87 Difference]: Start difference. First operand 169 states and 213 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:31:43,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:43,287 INFO L93 Difference]: Finished difference Result 363 states and 470 transitions. [2022-11-20 10:31:43,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:31:43,288 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2022-11-20 10:31:43,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:43,295 INFO L225 Difference]: With dead ends: 363 [2022-11-20 10:31:43,296 INFO L226 Difference]: Without dead ends: 202 [2022-11-20 10:31:43,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:31:43,304 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 71 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:43,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 404 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:31:43,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-11-20 10:31:43,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 195. [2022-11-20 10:31:43,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 151 states have (on average 1.2582781456953642) internal successors, (190), 162 states have internal predecessors, (190), 23 states have call successors, (23), 17 states have call predecessors, (23), 20 states have return successors, (32), 24 states have call predecessors, (32), 23 states have call successors, (32) [2022-11-20 10:31:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 245 transitions. [2022-11-20 10:31:43,352 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 245 transitions. Word has length 56 [2022-11-20 10:31:43,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:43,353 INFO L495 AbstractCegarLoop]: Abstraction has 195 states and 245 transitions. [2022-11-20 10:31:43,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:31:43,353 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 245 transitions. [2022-11-20 10:31:43,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 10:31:43,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:43,354 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] [2022-11-20 10:31:43,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:31:43,355 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:43,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:43,355 INFO L85 PathProgramCache]: Analyzing trace with hash 358800614, now seen corresponding path program 1 times [2022-11-20 10:31:43,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:43,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999625183] [2022-11-20 10:31:43,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:43,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:43,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 10:31:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:43,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 10:31:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:43,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-20 10:31:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:43,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 10:31:43,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:43,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999625183] [2022-11-20 10:31:43,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999625183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:43,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:43,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 10:31:43,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318466296] [2022-11-20 10:31:43,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:43,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:31:43,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:43,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:31:43,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:31:43,609 INFO L87 Difference]: Start difference. First operand 195 states and 245 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:31:43,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:43,826 INFO L93 Difference]: Finished difference Result 395 states and 509 transitions. [2022-11-20 10:31:43,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 10:31:43,827 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2022-11-20 10:31:43,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:43,829 INFO L225 Difference]: With dead ends: 395 [2022-11-20 10:31:43,829 INFO L226 Difference]: Without dead ends: 208 [2022-11-20 10:31:43,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:31:43,831 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 123 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:43,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 446 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:31:43,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-11-20 10:31:43,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 197. [2022-11-20 10:31:43,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 153 states have (on average 1.2549019607843137) internal successors, (192), 164 states have internal predecessors, (192), 23 states have call successors, (23), 17 states have call predecessors, (23), 20 states have return successors, (32), 24 states have call predecessors, (32), 23 states have call successors, (32) [2022-11-20 10:31:43,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 247 transitions. [2022-11-20 10:31:43,856 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 247 transitions. Word has length 56 [2022-11-20 10:31:43,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:43,857 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 247 transitions. [2022-11-20 10:31:43,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:31:43,857 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 247 transitions. [2022-11-20 10:31:43,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 10:31:43,858 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:43,858 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] [2022-11-20 10:31:43,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:31:43,859 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:43,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:43,859 INFO L85 PathProgramCache]: Analyzing trace with hash 499349224, now seen corresponding path program 1 times [2022-11-20 10:31:43,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:43,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106726711] [2022-11-20 10:31:43,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:43,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 10:31:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:43,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 10:31:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:43,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-20 10:31:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:43,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 10:31:43,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:43,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106726711] [2022-11-20 10:31:43,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106726711] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:43,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:43,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:31:43,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916643846] [2022-11-20 10:31:43,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:43,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:31:43,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:43,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:31:43,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:31:43,969 INFO L87 Difference]: Start difference. First operand 197 states and 247 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:31:44,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:44,269 INFO L93 Difference]: Finished difference Result 599 states and 781 transitions. [2022-11-20 10:31:44,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:31:44,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2022-11-20 10:31:44,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:44,272 INFO L225 Difference]: With dead ends: 599 [2022-11-20 10:31:44,273 INFO L226 Difference]: Without dead ends: 410 [2022-11-20 10:31:44,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:31:44,275 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 232 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:44,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 343 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:31:44,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2022-11-20 10:31:44,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 408. [2022-11-20 10:31:44,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 313 states have (on average 1.2300319488817892) internal successors, (385), 332 states have internal predecessors, (385), 52 states have call successors, (52), 42 states have call predecessors, (52), 42 states have return successors, (78), 51 states have call predecessors, (78), 52 states have call successors, (78) [2022-11-20 10:31:44,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 515 transitions. [2022-11-20 10:31:44,319 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 515 transitions. Word has length 56 [2022-11-20 10:31:44,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:44,319 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 515 transitions. [2022-11-20 10:31:44,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:31:44,320 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 515 transitions. [2022-11-20 10:31:44,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 10:31:44,321 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:44,321 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] [2022-11-20 10:31:44,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:31:44,322 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:44,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:44,322 INFO L85 PathProgramCache]: Analyzing trace with hash 510255989, now seen corresponding path program 1 times [2022-11-20 10:31:44,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:44,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702698565] [2022-11-20 10:31:44,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:44,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:44,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:31:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:44,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 10:31:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:44,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 10:31:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:44,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 10:31:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:44,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 10:31:44,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:44,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702698565] [2022-11-20 10:31:44,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702698565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:44,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:44,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:31:44,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011564201] [2022-11-20 10:31:44,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:44,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:31:44,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:44,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:31:44,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:31:44,380 INFO L87 Difference]: Start difference. First operand 408 states and 515 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-20 10:31:44,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:44,642 INFO L93 Difference]: Finished difference Result 887 states and 1123 transitions. [2022-11-20 10:31:44,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 10:31:44,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 63 [2022-11-20 10:31:44,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:44,645 INFO L225 Difference]: With dead ends: 887 [2022-11-20 10:31:44,646 INFO L226 Difference]: Without dead ends: 487 [2022-11-20 10:31:44,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:31:44,648 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 187 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:44,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 305 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 10:31:44,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2022-11-20 10:31:44,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 465. [2022-11-20 10:31:44,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 357 states have (on average 1.2240896358543418) internal successors, (437), 381 states have internal predecessors, (437), 59 states have call successors, (59), 42 states have call predecessors, (59), 48 states have return successors, (89), 59 states have call predecessors, (89), 59 states have call successors, (89) [2022-11-20 10:31:44,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 585 transitions. [2022-11-20 10:31:44,742 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 585 transitions. Word has length 63 [2022-11-20 10:31:44,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:44,743 INFO L495 AbstractCegarLoop]: Abstraction has 465 states and 585 transitions. [2022-11-20 10:31:44,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-20 10:31:44,743 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 585 transitions. [2022-11-20 10:31:44,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 10:31:44,745 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:44,749 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] [2022-11-20 10:31:44,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 10:31:44,749 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:44,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:44,750 INFO L85 PathProgramCache]: Analyzing trace with hash 741082050, now seen corresponding path program 1 times [2022-11-20 10:31:44,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:44,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474497440] [2022-11-20 10:31:44,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:44,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:44,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:31:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:44,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 10:31:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:44,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 10:31:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:44,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 10:31:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 10:31:44,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:44,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474497440] [2022-11-20 10:31:44,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474497440] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:31:44,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:31:44,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-20 10:31:44,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428284501] [2022-11-20 10:31:44,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:31:44,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 10:31:44,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:44,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 10:31:44,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:31:44,987 INFO L87 Difference]: Start difference. First operand 465 states and 585 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-20 10:31:45,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:45,987 INFO L93 Difference]: Finished difference Result 1127 states and 1468 transitions. [2022-11-20 10:31:45,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-20 10:31:45,988 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 60 [2022-11-20 10:31:45,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:45,992 INFO L225 Difference]: With dead ends: 1127 [2022-11-20 10:31:45,992 INFO L226 Difference]: Without dead ends: 762 [2022-11-20 10:31:45,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2022-11-20 10:31:45,995 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 683 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:45,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 594 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 10:31:45,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2022-11-20 10:31:46,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 604. [2022-11-20 10:31:46,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 464 states have (on average 1.2112068965517242) internal successors, (562), 495 states have internal predecessors, (562), 75 states have call successors, (75), 57 states have call predecessors, (75), 64 states have return successors, (108), 73 states have call predecessors, (108), 75 states have call successors, (108) [2022-11-20 10:31:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 745 transitions. [2022-11-20 10:31:46,082 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 745 transitions. Word has length 60 [2022-11-20 10:31:46,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:46,083 INFO L495 AbstractCegarLoop]: Abstraction has 604 states and 745 transitions. [2022-11-20 10:31:46,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 8 states have internal predecessors, (49), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-20 10:31:46,083 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 745 transitions. [2022-11-20 10:31:46,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-20 10:31:46,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:31:46,085 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:46,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 10:31:46,085 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:31:46,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:31:46,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1062453768, now seen corresponding path program 1 times [2022-11-20 10:31:46,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:31:46,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792289762] [2022-11-20 10:31:46,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:46,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:31:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 10:31:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:46,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 10:31:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:46,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 10:31:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:46,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 10:31:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:46,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 10:31:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:46,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 10:31:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:46,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:31:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:46,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 10:31:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:46,351 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 10:31:46,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:31:46,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792289762] [2022-11-20 10:31:46,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792289762] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:31:46,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800606711] [2022-11-20 10:31:46,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:31:46,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:31:46,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:31:46,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:31:46,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:31:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:31:46,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 10:31:46,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:31:46,741 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:31:46,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:31:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 10:31:47,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800606711] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:31:47,013 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:31:47,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2022-11-20 10:31:47,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264836497] [2022-11-20 10:31:47,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:31:47,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-20 10:31:47,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:31:47,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-20 10:31:47,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-11-20 10:31:47,015 INFO L87 Difference]: Start difference. First operand 604 states and 745 transitions. Second operand has 16 states, 16 states have (on average 7.9375) internal successors, (127), 11 states have internal predecessors, (127), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-11-20 10:31:48,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:31:48,448 INFO L93 Difference]: Finished difference Result 1328 states and 1691 transitions. [2022-11-20 10:31:48,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-20 10:31:48,449 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.9375) internal successors, (127), 11 states have internal predecessors, (127), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 102 [2022-11-20 10:31:48,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:31:48,451 INFO L225 Difference]: With dead ends: 1328 [2022-11-20 10:31:48,451 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:31:48,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 225 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=301, Invalid=1421, Unknown=0, NotChecked=0, Total=1722 [2022-11-20 10:31:48,456 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 442 mSDsluCounter, 1369 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 1553 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:31:48,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 1553 Invalid, 1385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:31:48,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:31:48,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:31:48,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:31:48,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:31:48,458 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2022-11-20 10:31:48,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:31:48,459 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:31:48,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.9375) internal successors, (127), 11 states have internal predecessors, (127), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-11-20 10:31:48,459 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:31:48,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:31:48,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 10:31:48,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 10:31:48,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 10:31:48,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:31:54,172 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 179 186) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-20 10:31:54,172 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 179 186) no Hoare annotation was computed. [2022-11-20 10:31:54,173 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 179 186) no Hoare annotation was computed. [2022-11-20 10:31:54,173 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 94 100) no Hoare annotation was computed. [2022-11-20 10:31:54,173 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 94 100) the Hoare annotation is: true [2022-11-20 10:31:54,173 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 964 975) the Hoare annotation is: true [2022-11-20 10:31:54,174 INFO L899 garLoopResultBuilder]: For program point L968-1(lines 964 975) no Hoare annotation was computed. [2022-11-20 10:31:54,174 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 964 975) no Hoare annotation was computed. [2022-11-20 10:31:54,174 INFO L902 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: true [2022-11-20 10:31:54,175 INFO L899 garLoopResultBuilder]: For program point L801-1(line 801) no Hoare annotation was computed. [2022-11-20 10:31:54,175 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 795 824) no Hoare annotation was computed. [2022-11-20 10:31:54,175 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 795 824) the Hoare annotation is: true [2022-11-20 10:31:54,175 INFO L902 garLoopResultBuilder]: At program point L820(lines 795 824) the Hoare annotation is: true [2022-11-20 10:31:54,175 INFO L899 garLoopResultBuilder]: For program point L816(line 816) no Hoare annotation was computed. [2022-11-20 10:31:54,175 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 813) no Hoare annotation was computed. [2022-11-20 10:31:54,176 INFO L902 garLoopResultBuilder]: At program point L809-1(lines 809 813) the Hoare annotation is: true [2022-11-20 10:31:54,176 INFO L899 garLoopResultBuilder]: For program point L806(line 806) no Hoare annotation was computed. [2022-11-20 10:31:54,176 INFO L902 garLoopResultBuilder]: At program point L805-2(lines 805 819) the Hoare annotation is: true [2022-11-20 10:31:54,176 INFO L899 garLoopResultBuilder]: For program point L411(lines 411 417) no Hoare annotation was computed. [2022-11-20 10:31:54,180 INFO L895 garLoopResultBuilder]: At program point L147(line 147) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not .cse2)) (or .cse3 .cse2 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse2 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-11-20 10:31:54,183 INFO L895 garLoopResultBuilder]: At program point L147-1(lines 128 152) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 (not .cse2)) (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse4) .cse1)) (let ((.cse6 (<= ~waterLevel~0 2))) (or .cse5 (and .cse3 .cse6 .cse7) .cse2 .cse1 (and .cse8 .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse5 (and .cse8 .cse9 .cse7) .cse2 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (and .cse3 .cse9 .cse7))))) [2022-11-20 10:31:54,183 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 948) no Hoare annotation was computed. [2022-11-20 10:31:54,184 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 81 87) no Hoare annotation was computed. [2022-11-20 10:31:54,184 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 275) no Hoare annotation was computed. [2022-11-20 10:31:54,185 INFO L895 garLoopResultBuilder]: At program point L944-2(lines 940 951) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-20 10:31:54,186 INFO L899 garLoopResultBuilder]: For program point L271-2(lines 271 275) no Hoare annotation was computed. [2022-11-20 10:31:54,187 INFO L895 garLoopResultBuilder]: At program point L395(lines 388 397) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse4) .cse3)))) [2022-11-20 10:31:54,188 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 67 93) no Hoare annotation was computed. [2022-11-20 10:31:54,188 INFO L895 garLoopResultBuilder]: At program point L408(line 408) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 0 ~systemActive~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (let ((.cse5 (<= ~waterLevel~0 2))) (or .cse3 (and .cse4 .cse5 .cse6) .cse7 .cse1 (and .cse8 .cse5 .cse6) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse3 (and .cse8 .cse9 .cse6) .cse7 .cse1 .cse2 (and .cse4 .cse9 .cse6))) (or .cse0 (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-11-20 10:31:54,189 INFO L899 garLoopResultBuilder]: For program point L408-1(line 408) no Hoare annotation was computed. [2022-11-20 10:31:54,189 INFO L895 garLoopResultBuilder]: At program point L1036(lines 1031 1039) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-20 10:31:54,190 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed. [2022-11-20 10:31:54,190 INFO L899 garLoopResultBuilder]: For program point L74-2(lines 70 92) no Hoare annotation was computed. [2022-11-20 10:31:54,190 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 144) no Hoare annotation was computed. [2022-11-20 10:31:54,190 INFO L899 garLoopResultBuilder]: For program point L933(line 933) no Hoare annotation was computed. [2022-11-20 10:31:54,190 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 149) no Hoare annotation was computed. [2022-11-20 10:31:54,191 INFO L895 garLoopResultBuilder]: At program point L277(lines 262 280) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-20 10:31:54,191 INFO L895 garLoopResultBuilder]: At program point L393(line 393) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2) (or .cse3 .cse4 .cse2 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse4 .cse2 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-20 10:31:54,191 INFO L899 garLoopResultBuilder]: For program point L393-1(line 393) no Hoare annotation was computed. [2022-11-20 10:31:54,191 INFO L895 garLoopResultBuilder]: At program point L934(lines 929 936) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 .cse2 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse2 .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-20 10:31:54,191 INFO L899 garLoopResultBuilder]: For program point L410(lines 410 420) no Hoare annotation was computed. [2022-11-20 10:31:54,192 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 423) no Hoare annotation was computed. [2022-11-20 10:31:54,192 INFO L895 garLoopResultBuilder]: At program point L1013(lines 1008 1016) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse2 (not .cse3)) .cse4)) (let ((.cse6 (<= ~waterLevel~0 2))) (or .cse5 (and .cse1 .cse6 .cse7) .cse3 .cse4 (and .cse8 .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse5 (and .cse8 .cse9 .cse7) .cse3 .cse4 .cse10 (and .cse1 .cse9 .cse7))) (or .cse0 .cse4 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse10))) [2022-11-20 10:31:54,192 INFO L895 garLoopResultBuilder]: At program point L406-1(lines 398 426) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not .cse5))) (and (let ((.cse2 (<= ~waterLevel~0 2))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 (and .cse7 .cse2 .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (or .cse8 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse9) (and .cse1 .cse9 .cse4) .cse5 .cse6) (or .cse8 (and (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1|) (<= |timeShift_getWaterLevel_#res#1| 2) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~6#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse6 .cse10) (let ((.cse11 (= ~waterLevel~0 1))) (or (and .cse1 .cse11 .cse3 .cse4) .cse0 (and .cse7 .cse11 .cse3) .cse5 .cse6 .cse10)) (or .cse8 (and .cse1 .cse9) .cse6 .cse4)))) [2022-11-20 10:31:54,193 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 67 93) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2) (or .cse3 .cse4 .cse2 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse4 .cse2 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-20 10:31:54,193 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-20 10:31:54,193 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 67 93) no Hoare annotation was computed. [2022-11-20 10:31:54,193 INFO L895 garLoopResultBuilder]: At program point L138(line 138) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-20 10:31:54,194 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 933) no Hoare annotation was computed. [2022-11-20 10:31:54,194 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 324) no Hoare annotation was computed. [2022-11-20 10:31:54,194 INFO L895 garLoopResultBuilder]: At program point L287(line 287) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-11-20 10:31:54,194 INFO L895 garLoopResultBuilder]: At program point L853(lines 849 855) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2022-11-20 10:31:54,194 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:31:54,195 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:31:54,195 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:31:54,195 INFO L895 garLoopResultBuilder]: At program point L924(lines 919 927) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-20 10:31:54,195 INFO L895 garLoopResultBuilder]: At program point L916(lines 912 918) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-20 10:31:54,195 INFO L902 garLoopResultBuilder]: At program point L371(lines 308 375) the Hoare annotation is: true [2022-11-20 10:31:54,196 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 344) no Hoare annotation was computed. [2022-11-20 10:31:54,196 INFO L899 garLoopResultBuilder]: For program point L338-1(lines 338 344) no Hoare annotation was computed. [2022-11-20 10:31:54,197 INFO L895 garLoopResultBuilder]: At program point L301(lines 296 303) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-11-20 10:31:54,197 INFO L895 garLoopResultBuilder]: At program point L330(line 330) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-11-20 10:31:54,197 INFO L895 garLoopResultBuilder]: At program point L293(lines 281 295) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (= 0 ~systemActive~0) (= |ULTIMATE.start_main_~tmp~10#1| 1)) [2022-11-20 10:31:54,197 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:31:54,197 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 291) no Hoare annotation was computed. [2022-11-20 10:31:54,198 INFO L899 garLoopResultBuilder]: For program point L285-1(lines 285 291) no Hoare annotation was computed. [2022-11-20 10:31:54,198 INFO L899 garLoopResultBuilder]: For program point L880(lines 880 887) no Hoare annotation was computed. [2022-11-20 10:31:54,198 INFO L895 garLoopResultBuilder]: At program point L368(lines 317 369) the Hoare annotation is: false [2022-11-20 10:31:54,198 INFO L899 garLoopResultBuilder]: For program point L880-2(lines 880 887) no Hoare annotation was computed. [2022-11-20 10:31:54,200 INFO L895 garLoopResultBuilder]: At program point L909(lines 905 911) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-20 10:31:54,200 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 362) no Hoare annotation was computed. [2022-11-20 10:31:54,200 INFO L895 garLoopResultBuilder]: At program point L356-2(lines 348 363) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-11-20 10:31:54,200 INFO L895 garLoopResultBuilder]: At program point L385(lines 380 387) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2022-11-20 10:31:54,201 INFO L902 garLoopResultBuilder]: At program point L864(lines 856 866) the Hoare annotation is: true [2022-11-20 10:31:54,201 INFO L899 garLoopResultBuilder]: For program point L319(lines 318 367) no Hoare annotation was computed. [2022-11-20 10:31:54,201 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 363) no Hoare annotation was computed. [2022-11-20 10:31:54,201 INFO L902 garLoopResultBuilder]: At program point L889(lines 870 892) the Hoare annotation is: true [2022-11-20 10:31:54,201 INFO L895 garLoopResultBuilder]: At program point L340(line 340) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-11-20 10:31:54,202 INFO L895 garLoopResultBuilder]: At program point L365(lines 318 367) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-11-20 10:31:54,202 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 334) no Hoare annotation was computed. [2022-11-20 10:31:54,202 INFO L899 garLoopResultBuilder]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2022-11-20 10:31:54,202 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 102 126) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2022-11-20 10:31:54,202 INFO L899 garLoopResultBuilder]: For program point L252(lines 252 256) no Hoare annotation was computed. [2022-11-20 10:31:54,203 INFO L899 garLoopResultBuilder]: For program point L252-2(lines 252 256) no Hoare annotation was computed. [2022-11-20 10:31:54,203 INFO L895 garLoopResultBuilder]: At program point L981(lines 976 984) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0)) .cse1))) [2022-11-20 10:31:54,204 INFO L895 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) .cse0 .cse1))) [2022-11-20 10:31:54,204 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 118) no Hoare annotation was computed. [2022-11-20 10:31:54,204 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 123) no Hoare annotation was computed. [2022-11-20 10:31:54,205 INFO L895 garLoopResultBuilder]: At program point L158(lines 153 160) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse0 .cse1))) [2022-11-20 10:31:54,205 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1027) no Hoare annotation was computed. [2022-11-20 10:31:54,205 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 102 126) no Hoare annotation was computed. [2022-11-20 10:31:54,205 INFO L895 garLoopResultBuilder]: At program point L121(line 121) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-20 10:31:54,206 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 102 126) no Hoare annotation was computed. [2022-11-20 10:31:54,206 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 175) no Hoare annotation was computed. [2022-11-20 10:31:54,206 INFO L895 garLoopResultBuilder]: At program point L169-2(lines 162 178) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (<= 2 ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) .cse0) .cse1 (and (= ~pumpRunning~0 0) .cse0) .cse2)) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-20 10:31:54,206 INFO L895 garLoopResultBuilder]: At program point L1026(lines 1017 1030) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse2 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) .cse0 (and .cse2 (<= 2 ~waterLevel~0)) .cse1)))) [2022-11-20 10:31:54,207 INFO L895 garLoopResultBuilder]: At program point L258(lines 243 261) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0))) .cse0 (and .cse2 (<= 2 ~waterLevel~0)) .cse1)))) [2022-11-20 10:31:54,208 INFO L895 garLoopResultBuilder]: At program point L194(lines 187 197) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0)) .cse1))) [2022-11-20 10:31:54,208 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 952 963) no Hoare annotation was computed. [2022-11-20 10:31:54,208 INFO L899 garLoopResultBuilder]: For program point L956-1(lines 952 963) no Hoare annotation was computed. [2022-11-20 10:31:54,208 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 952 963) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= ~pumpRunning~0 0)) .cse1 .cse3))) [2022-11-20 10:31:54,208 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 198 206) no Hoare annotation was computed. [2022-11-20 10:31:54,209 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 198 206) the Hoare annotation is: true [2022-11-20 10:31:54,209 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 198 206) no Hoare annotation was computed. [2022-11-20 10:31:54,213 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:31:54,215 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:31:54,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:31:54 BoogieIcfgContainer [2022-11-20 10:31:54,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:31:54,270 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:31:54,270 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:31:54,270 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:31:54,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:31:41" (3/4) ... [2022-11-20 10:31:54,274 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:31:54,281 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-20 10:31:54,281 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 10:31:54,281 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 10:31:54,281 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 10:31:54,282 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 10:31:54,282 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 10:31:54,282 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 10:31:54,282 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-20 10:31:54,298 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 10:31:54,299 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 10:31:54,299 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 10:31:54,300 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:31:54,300 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:31:54,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-20 10:31:54,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2022-11-20 10:31:54,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2022-11-20 10:31:54,328 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && tmp == 1) && !(0 == systemActive)) || ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1)) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) [2022-11-20 10:31:54,330 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2022-11-20 10:31:54,330 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-20 10:31:54,330 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && tmp == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive))) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) [2022-11-20 10:31:54,332 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || (((1 < tmp && \result <= 2) && tmp <= 2) && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) [2022-11-20 10:31:54,332 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2022-11-20 10:31:54,332 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-20 10:31:54,333 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive) && tmp == 1 [2022-11-20 10:31:54,333 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2)) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel))) [2022-11-20 10:31:54,333 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-20 10:31:54,334 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(\result == 0))) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) [2022-11-20 10:31:54,334 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-20 10:31:54,335 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && \result == 0) && tmp___0 == 0) && !(tmp == 0))) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) [2022-11-20 10:31:54,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) [2022-11-20 10:31:54,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) [2022-11-20 10:31:54,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) [2022-11-20 10:31:54,339 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) [2022-11-20 10:31:54,368 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:31:54,368 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:31:54,369 INFO L158 Benchmark]: Toolchain (without parser) took 14430.74ms. Allocated memory was 192.9MB in the beginning and 281.0MB in the end (delta: 88.1MB). Free memory was 146.3MB in the beginning and 103.2MB in the end (delta: 43.2MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. [2022-11-20 10:31:54,369 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 153.1MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:31:54,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.67ms. Allocated memory is still 192.9MB. Free memory was 145.8MB in the beginning and 126.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 10:31:54,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.03ms. Allocated memory is still 192.9MB. Free memory was 126.9MB in the beginning and 124.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:31:54,370 INFO L158 Benchmark]: Boogie Preprocessor took 29.98ms. Allocated memory is still 192.9MB. Free memory was 124.2MB in the beginning and 122.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:31:54,371 INFO L158 Benchmark]: RCFGBuilder took 541.31ms. Allocated memory is still 192.9MB. Free memory was 122.7MB in the beginning and 105.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 10:31:54,371 INFO L158 Benchmark]: TraceAbstraction took 13259.70ms. Allocated memory was 192.9MB in the beginning and 281.0MB in the end (delta: 88.1MB). Free memory was 104.4MB in the beginning and 109.4MB in the end (delta: -5.0MB). Peak memory consumption was 108.4MB. Max. memory is 16.1GB. [2022-11-20 10:31:54,371 INFO L158 Benchmark]: Witness Printer took 98.88ms. Allocated memory is still 281.0MB. Free memory was 109.4MB in the beginning and 103.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 10:31:54,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 153.1MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.67ms. Allocated memory is still 192.9MB. Free memory was 145.8MB in the beginning and 126.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.03ms. Allocated memory is still 192.9MB. Free memory was 126.9MB in the beginning and 124.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.98ms. Allocated memory is still 192.9MB. Free memory was 124.2MB in the beginning and 122.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 541.31ms. Allocated memory is still 192.9MB. Free memory was 122.7MB in the beginning and 105.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13259.70ms. Allocated memory was 192.9MB in the beginning and 281.0MB in the end (delta: 88.1MB). Free memory was 104.4MB in the beginning and 109.4MB in the end (delta: -5.0MB). Peak memory consumption was 108.4MB. Max. memory is 16.1GB. * Witness Printer took 98.88ms. Allocated memory is still 281.0MB. Free memory was 109.4MB in the beginning and 103.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 933]: 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 9 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.1s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2015 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1982 mSDsluCounter, 4857 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3628 mSDsCounter, 600 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2501 IncrementalHoareTripleChecker+Invalid, 3101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 600 mSolverCounterUnsat, 1229 mSDtfsCounter, 2501 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 418 GetRequests, 300 SyntacticMatches, 4 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=604occurred in iteration=9, InterpolantAutomatonStates: 110, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 213 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 1597 PreInvPairs, 1921 NumberOfFragments, 2029 HoareAnnotationTreeSize, 1597 FomulaSimplifications, 2163 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 49 FomulaSimplificationsInter, 12419 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 639 NumberOfCodeBlocks, 639 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 729 ConstructedInterpolants, 0 QuantifiedInterpolants, 1433 SizeOfPredicates, 3 NumberOfNonLiveVariables, 356 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 103/129 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: 243]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && \result == 0) && tmp___0 == 0) && !(tmp == 0))) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: ((((((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || (((1 < tmp && \result <= 2) && tmp <= 2) && 2 <= \result)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1031]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 929]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 1017]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(\result == 0))) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive) && tmp == 1 - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && tmp == 1) && !(0 == systemActive)) || ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1)) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && tmp == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive))) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 1008]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2)) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-20 10:31:54,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23a3dad7-dd41-4d34-8ad1-f8f89f3db6dc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE