./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8 --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 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 --- 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-2329fc7 [2022-12-13 21:18:36,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:18:36,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:18:36,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:18:36,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:18:36,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:18:36,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:18:36,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:18:36,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:18:36,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:18:36,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:18:36,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:18:36,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:18:36,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:18:36,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:18:36,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:18:36,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:18:36,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:18:36,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:18:36,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:18:36,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:18:36,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:18:36,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:18:36,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:18:36,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:18:36,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:18:36,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:18:36,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:18:36,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:18:36,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:18:36,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:18:36,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:18:36,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:18:36,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:18:36,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:18:36,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:18:36,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:18:36,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:18:36,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:18:36,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:18:36,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:18:36,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 21:18:36,995 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:18:36,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:18:36,996 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:18:36,996 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:18:36,997 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:18:36,997 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:18:36,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:18:36,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:18:36,998 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:18:36,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:18:36,998 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:18:36,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:18:36,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:18:36,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:18:36,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 21:18:36,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:18:36,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 21:18:36,999 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:18:37,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:18:37,000 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:18:37,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 21:18:37,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:18:37,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:18:37,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:18:37,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:18:37,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:18:37,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:18:37,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 21:18:37,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:18:37,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:18:37,001 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:18:37,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 21:18:37,002 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:18:37,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:18:37,002 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:18:37,002 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 [2022-12-13 21:18:37,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:18:37,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:18:37,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:18:37,191 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:18:37,191 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:18:37,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2022-12-13 21:18:39,725 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:18:39,900 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:18:39,900 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2022-12-13 21:18:39,908 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/data/3bc71cad3/ff0451b213ed4dd38491ac2b732578a8/FLAG1529de01a [2022-12-13 21:18:39,919 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/data/3bc71cad3/ff0451b213ed4dd38491ac2b732578a8 [2022-12-13 21:18:39,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:18:39,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:18:39,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:18:39,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:18:39,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:18:39,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:18:39" (1/1) ... [2022-12-13 21:18:39,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1756a8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:39, skipping insertion in model container [2022-12-13 21:18:39,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:18:39" (1/1) ... [2022-12-13 21:18:39,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:18:39,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:18:40,107 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_36b627f1-94b2-41e2-a7f4-d8cab05bef68/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c[12672,12685] [2022-12-13 21:18:40,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:18:40,137 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:18:40,172 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_36b627f1-94b2-41e2-a7f4-d8cab05bef68/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c[12672,12685] [2022-12-13 21:18:40,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:18:40,196 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:18:40,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:40 WrapperNode [2022-12-13 21:18:40,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:18:40,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:18:40,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:18:40,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:18:40,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:40" (1/1) ... [2022-12-13 21:18:40,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:40" (1/1) ... [2022-12-13 21:18:40,230 INFO L138 Inliner]: procedures = 59, calls = 104, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 212 [2022-12-13 21:18:40,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:18:40,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:18:40,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:18:40,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:18:40,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:40" (1/1) ... [2022-12-13 21:18:40,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:40" (1/1) ... [2022-12-13 21:18:40,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:40" (1/1) ... [2022-12-13 21:18:40,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:40" (1/1) ... [2022-12-13 21:18:40,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:40" (1/1) ... [2022-12-13 21:18:40,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:40" (1/1) ... [2022-12-13 21:18:40,247 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:40" (1/1) ... [2022-12-13 21:18:40,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:40" (1/1) ... [2022-12-13 21:18:40,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:18:40,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:18:40,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:18:40,251 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:18:40,251 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:40" (1/1) ... [2022-12-13 21:18:40,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:18:40,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:18:40,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:18:40,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:18:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:18:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-13 21:18:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-13 21:18:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 21:18:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 21:18:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 21:18:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 21:18:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 21:18:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 21:18:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 21:18:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 21:18:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-12-13 21:18:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-12-13 21:18:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-12-13 21:18:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-12-13 21:18:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:18:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 21:18:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 21:18:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:18:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:18:40,370 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:18:40,372 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:18:40,588 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:18:40,594 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:18:40,594 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 21:18:40,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:18:40 BoogieIcfgContainer [2022-12-13 21:18:40,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:18:40,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:18:40,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:18:40,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:18:40,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:18:39" (1/3) ... [2022-12-13 21:18:40,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2454be62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:18:40, skipping insertion in model container [2022-12-13 21:18:40,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:18:40" (2/3) ... [2022-12-13 21:18:40,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2454be62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:18:40, skipping insertion in model container [2022-12-13 21:18:40,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:18:40" (3/3) ... [2022-12-13 21:18:40,602 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2022-12-13 21:18:40,616 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:18:40,616 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 21:18:40,651 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:18:40,655 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;@61e70375, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:18:40,656 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 21:18:40,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 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) [2022-12-13 21:18:40,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-13 21:18:40,666 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:40,666 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] [2022-12-13 21:18:40,667 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:40,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:40,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1209028345, now seen corresponding path program 1 times [2022-12-13 21:18:40,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:40,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815874531] [2022-12-13 21:18:40,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:40,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:40,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 21:18:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:40,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 21:18:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:40,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 21:18:40,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:40,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815874531] [2022-12-13 21:18:40,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815874531] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:18:40,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:18:40,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 21:18:40,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682426425] [2022-12-13 21:18:40,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:18:40,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 21:18:40,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:40,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 21:18:40,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 21:18:40,847 INFO L87 Difference]: Start difference. First operand has 100 states, 76 states have (on average 1.368421052631579) internal successors, (104), 85 states have internal predecessors, (104), 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) [2022-12-13 21:18:40,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:18:40,872 INFO L93 Difference]: Finished difference Result 191 states and 258 transitions. [2022-12-13 21:18:40,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 21:18:40,874 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 [2022-12-13 21:18:40,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:18:40,881 INFO L225 Difference]: With dead ends: 191 [2022-12-13 21:18:40,881 INFO L226 Difference]: Without dead ends: 91 [2022-12-13 21:18:40,883 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 [2022-12-13 21:18:40,886 INFO L413 NwaCegarLoop]: 126 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, 126 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 [2022-12-13 21:18:40,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:18:40,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-12-13 21:18:40,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-12-13 21:18:40,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 77 states have internal predecessors, (90), 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) [2022-12-13 21:18:40,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 117 transitions. [2022-12-13 21:18:40,918 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 117 transitions. Word has length 32 [2022-12-13 21:18:40,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:18:40,918 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 117 transitions. [2022-12-13 21:18:40,918 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) [2022-12-13 21:18:40,918 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2022-12-13 21:18:40,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-13 21:18:40,920 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:40,920 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] [2022-12-13 21:18:40,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 21:18:40,920 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:40,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:40,921 INFO L85 PathProgramCache]: Analyzing trace with hash 819571873, now seen corresponding path program 1 times [2022-12-13 21:18:40,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:40,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092974340] [2022-12-13 21:18:40,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:40,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:40,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 21:18:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:40,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-12-13 21:18:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:40,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 21:18:41,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:41,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092974340] [2022-12-13 21:18:41,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092974340] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:18:41,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:18:41,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:18:41,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768241419] [2022-12-13 21:18:41,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:18:41,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:18:41,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:41,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:18:41,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 21:18:41,002 INFO L87 Difference]: Start difference. First operand 91 states and 117 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) [2022-12-13 21:18:41,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:18:41,015 INFO L93 Difference]: Finished difference Result 142 states and 182 transitions. [2022-12-13 21:18:41,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:18:41,016 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 [2022-12-13 21:18:41,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:18:41,017 INFO L225 Difference]: With dead ends: 142 [2022-12-13 21:18:41,017 INFO L226 Difference]: Without dead ends: 82 [2022-12-13 21:18:41,017 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 [2022-12-13 21:18:41,018 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 17 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 186 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 [2022-12-13 21:18:41,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 186 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:18:41,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-12-13 21:18:41,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-12-13 21:18:41,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 71 states have internal predecessors, (83), 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) [2022-12-13 21:18:41,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2022-12-13 21:18:41,025 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 33 [2022-12-13 21:18:41,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:18:41,026 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2022-12-13 21:18:41,026 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) [2022-12-13 21:18:41,026 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-12-13 21:18:41,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-13 21:18:41,027 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:41,027 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] [2022-12-13 21:18:41,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 21:18:41,027 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:41,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:41,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1285533544, now seen corresponding path program 1 times [2022-12-13 21:18:41,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:41,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923757101] [2022-12-13 21:18:41,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:41,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:41,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 21:18:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:41,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 21:18:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:41,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 21:18:41,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:41,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923757101] [2022-12-13 21:18:41,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923757101] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:18:41,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:18:41,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:18:41,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233593577] [2022-12-13 21:18:41,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:18:41,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:18:41,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:41,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:18:41,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:18:41,123 INFO L87 Difference]: Start difference. First operand 82 states and 105 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) [2022-12-13 21:18:41,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:18:41,208 INFO L93 Difference]: Finished difference Result 203 states and 264 transitions. [2022-12-13 21:18:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:18:41,209 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 [2022-12-13 21:18:41,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:18:41,211 INFO L225 Difference]: With dead ends: 203 [2022-12-13 21:18:41,211 INFO L226 Difference]: Without dead ends: 129 [2022-12-13 21:18:41,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:18:41,213 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 166 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:18:41,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 359 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:18:41,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2022-12-13 21:18:41,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 126. [2022-12-13 21:18:41,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 96 states have (on average 1.3333333333333333) internal successors, (128), 107 states have internal predecessors, (128), 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) [2022-12-13 21:18:41,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 163 transitions. [2022-12-13 21:18:41,233 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 163 transitions. Word has length 38 [2022-12-13 21:18:41,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:18:41,234 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 163 transitions. [2022-12-13 21:18:41,234 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) [2022-12-13 21:18:41,234 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 163 transitions. [2022-12-13 21:18:41,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 21:18:41,236 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:41,236 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] [2022-12-13 21:18:41,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 21:18:41,237 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:41,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:41,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1848173569, now seen corresponding path program 1 times [2022-12-13 21:18:41,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:41,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690618672] [2022-12-13 21:18:41,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:41,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:41,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-12-13 21:18:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:41,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 21:18:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 21:18:41,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:41,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690618672] [2022-12-13 21:18:41,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690618672] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:18:41,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:18:41,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:18:41,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116711379] [2022-12-13 21:18:41,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:18:41,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:18:41,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:41,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:18:41,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:18:41,385 INFO L87 Difference]: Start difference. First operand 126 states and 163 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) [2022-12-13 21:18:41,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:18:41,499 INFO L93 Difference]: Finished difference Result 292 states and 389 transitions. [2022-12-13 21:18:41,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 21:18:41,500 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 [2022-12-13 21:18:41,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:18:41,501 INFO L225 Difference]: With dead ends: 292 [2022-12-13 21:18:41,502 INFO L226 Difference]: Without dead ends: 174 [2022-12-13 21:18:41,502 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 [2022-12-13 21:18:41,503 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 51 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 494 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 [2022-12-13 21:18:41,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 494 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:18:41,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2022-12-13 21:18:41,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 164. [2022-12-13 21:18:41,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 125 states have (on average 1.272) internal successors, (159), 135 states have internal predecessors, (159), 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) [2022-12-13 21:18:41,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 207 transitions. [2022-12-13 21:18:41,521 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 207 transitions. Word has length 41 [2022-12-13 21:18:41,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:18:41,522 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 207 transitions. [2022-12-13 21:18:41,522 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) [2022-12-13 21:18:41,522 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 207 transitions. [2022-12-13 21:18:41,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-13 21:18:41,523 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:41,524 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] [2022-12-13 21:18:41,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 21:18:41,524 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:41,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:41,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1678713476, now seen corresponding path program 1 times [2022-12-13 21:18:41,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:41,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641541867] [2022-12-13 21:18:41,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:41,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:41,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 21:18:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:41,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 21:18:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:41,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:18:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:41,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 21:18:41,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:41,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641541867] [2022-12-13 21:18:41,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641541867] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:18:41,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:18:41,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 21:18:41,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849738045] [2022-12-13 21:18:41,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:18:41,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 21:18:41,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:41,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:18:41,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:18:41,607 INFO L87 Difference]: Start difference. First operand 164 states and 207 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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) [2022-12-13 21:18:41,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:18:41,744 INFO L93 Difference]: Finished difference Result 351 states and 450 transitions. [2022-12-13 21:18:41,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:18:41,745 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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 52 [2022-12-13 21:18:41,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:18:41,746 INFO L225 Difference]: With dead ends: 351 [2022-12-13 21:18:41,746 INFO L226 Difference]: Without dead ends: 195 [2022-12-13 21:18:41,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:18:41,748 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 66 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:18:41,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 395 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:18:41,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2022-12-13 21:18:41,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 190. [2022-12-13 21:18:41,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 146 states have (on average 1.2602739726027397) internal successors, (184), 156 states have internal predecessors, (184), 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) [2022-12-13 21:18:41,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 239 transitions. [2022-12-13 21:18:41,763 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 239 transitions. Word has length 52 [2022-12-13 21:18:41,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:18:41,763 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 239 transitions. [2022-12-13 21:18:41,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 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) [2022-12-13 21:18:41,764 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 239 transitions. [2022-12-13 21:18:41,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-13 21:18:41,765 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:41,765 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] [2022-12-13 21:18:41,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 21:18:41,765 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:41,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:41,765 INFO L85 PathProgramCache]: Analyzing trace with hash 927310078, now seen corresponding path program 1 times [2022-12-13 21:18:41,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:41,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960115571] [2022-12-13 21:18:41,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:41,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:41,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 21:18:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:41,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 21:18:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:41,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:18:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:41,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 21:18:41,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:41,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960115571] [2022-12-13 21:18:41,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960115571] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:18:41,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:18:41,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:18:41,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207980706] [2022-12-13 21:18:41,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:18:41,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:18:41,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:41,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:18:41,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:18:41,824 INFO L87 Difference]: Start difference. First operand 190 states and 239 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-12-13 21:18:41,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:18:41,930 INFO L93 Difference]: Finished difference Result 382 states and 492 transitions. [2022-12-13 21:18:41,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 21:18:41,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 52 [2022-12-13 21:18:41,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:18:41,932 INFO L225 Difference]: With dead ends: 382 [2022-12-13 21:18:41,932 INFO L226 Difference]: Without dead ends: 200 [2022-12-13 21:18:41,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:18:41,933 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 69 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:18:41,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 309 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:18:41,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2022-12-13 21:18:41,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 192. [2022-12-13 21:18:41,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 148 states have (on average 1.2567567567567568) internal successors, (186), 158 states have internal predecessors, (186), 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) [2022-12-13 21:18:41,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 241 transitions. [2022-12-13 21:18:41,946 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 241 transitions. Word has length 52 [2022-12-13 21:18:41,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:18:41,946 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 241 transitions. [2022-12-13 21:18:41,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-12-13 21:18:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 241 transitions. [2022-12-13 21:18:41,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-13 21:18:41,948 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:41,948 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] [2022-12-13 21:18:41,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 21:18:41,948 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:41,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:41,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1350011904, now seen corresponding path program 1 times [2022-12-13 21:18:41,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:41,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802813381] [2022-12-13 21:18:41,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:41,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:41,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 21:18:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:41,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 21:18:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-12-13 21:18:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:42,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 21:18:42,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:42,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802813381] [2022-12-13 21:18:42,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802813381] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:18:42,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:18:42,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:18:42,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226179383] [2022-12-13 21:18:42,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:18:42,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 21:18:42,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:42,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:18:42,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:18:42,014 INFO L87 Difference]: Start difference. First operand 192 states and 241 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-12-13 21:18:42,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:18:42,207 INFO L93 Difference]: Finished difference Result 589 states and 769 transitions. [2022-12-13 21:18:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 21:18:42,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 52 [2022-12-13 21:18:42,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:18:42,211 INFO L225 Difference]: With dead ends: 589 [2022-12-13 21:18:42,211 INFO L226 Difference]: Without dead ends: 405 [2022-12-13 21:18:42,212 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 [2022-12-13 21:18:42,213 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 225 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:18:42,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 336 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:18:42,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-12-13 21:18:42,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 403. [2022-12-13 21:18:42,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 308 states have (on average 1.2305194805194806) internal successors, (379), 326 states have internal predecessors, (379), 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) [2022-12-13 21:18:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 509 transitions. [2022-12-13 21:18:42,240 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 509 transitions. Word has length 52 [2022-12-13 21:18:42,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:18:42,240 INFO L495 AbstractCegarLoop]: Abstraction has 403 states and 509 transitions. [2022-12-13 21:18:42,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2022-12-13 21:18:42,241 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 509 transitions. [2022-12-13 21:18:42,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 21:18:42,241 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:42,242 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] [2022-12-13 21:18:42,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 21:18:42,242 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:42,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:42,242 INFO L85 PathProgramCache]: Analyzing trace with hash 338031322, now seen corresponding path program 1 times [2022-12-13 21:18:42,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:42,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412245508] [2022-12-13 21:18:42,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:42,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:42,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 21:18:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:42,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 21:18:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-12-13 21:18:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:42,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 21:18:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:42,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 21:18:42,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:42,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412245508] [2022-12-13 21:18:42,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412245508] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:18:42,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:18:42,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 21:18:42,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256300984] [2022-12-13 21:18:42,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:18:42,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 21:18:42,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:42,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 21:18:42,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-12-13 21:18:42,406 INFO L87 Difference]: Start difference. First operand 403 states and 509 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-13 21:18:43,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:18:43,145 INFO L93 Difference]: Finished difference Result 1232 states and 1622 transitions. [2022-12-13 21:18:43,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-12-13 21:18:43,145 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-12-13 21:18:43,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:18:43,148 INFO L225 Difference]: With dead ends: 1232 [2022-12-13 21:18:43,148 INFO L226 Difference]: Without dead ends: 925 [2022-12-13 21:18:43,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2022-12-13 21:18:43,150 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 514 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 21:18:43,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 975 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 21:18:43,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2022-12-13 21:18:43,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 747. [2022-12-13 21:18:43,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 571 states have (on average 1.2276707530647986) internal successors, (701), 608 states have internal predecessors, (701), 95 states have call successors, (95), 72 states have call predecessors, (95), 80 states have return successors, (144), 94 states have call predecessors, (144), 95 states have call successors, (144) [2022-12-13 21:18:43,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 940 transitions. [2022-12-13 21:18:43,194 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 940 transitions. Word has length 56 [2022-12-13 21:18:43,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:18:43,194 INFO L495 AbstractCegarLoop]: Abstraction has 747 states and 940 transitions. [2022-12-13 21:18:43,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-13 21:18:43,195 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 940 transitions. [2022-12-13 21:18:43,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-13 21:18:43,196 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:43,196 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] [2022-12-13 21:18:43,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 21:18:43,196 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:43,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:43,196 INFO L85 PathProgramCache]: Analyzing trace with hash 836408910, now seen corresponding path program 1 times [2022-12-13 21:18:43,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:43,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054689695] [2022-12-13 21:18:43,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:43,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:43,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 21:18:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:43,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:18:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:43,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:18:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:43,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 21:18:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:43,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-12-13 21:18:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:43,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 21:18:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:43,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:18:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:43,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-12-13 21:18:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:43,357 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 21:18:43,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:43,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054689695] [2022-12-13 21:18:43,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054689695] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:18:43,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851320124] [2022-12-13 21:18:43,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:43,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:18:43,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:18:43,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:18:43,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 21:18:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:43,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 21:18:43,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:18:43,593 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:18:43,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:18:43,744 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 21:18:43,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851320124] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:18:43,744 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:18:43,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2022-12-13 21:18:43,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639303911] [2022-12-13 21:18:43,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:18:43,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 21:18:43,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:43,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 21:18:43,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-12-13 21:18:43,746 INFO L87 Difference]: Start difference. First operand 747 states and 940 transitions. Second operand has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 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) [2022-12-13 21:18:44,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:18:44,782 INFO L93 Difference]: Finished difference Result 1737 states and 2312 transitions. [2022-12-13 21:18:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 21:18:44,782 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 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 98 [2022-12-13 21:18:44,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:18:44,786 INFO L225 Difference]: With dead ends: 1737 [2022-12-13 21:18:44,786 INFO L226 Difference]: Without dead ends: 1082 [2022-12-13 21:18:44,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 219 SyntacticMatches, 4 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 683 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=429, Invalid=2121, Unknown=0, NotChecked=0, Total=2550 [2022-12-13 21:18:44,789 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 458 mSDsluCounter, 1405 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 21:18:44,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 1608 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 21:18:44,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2022-12-13 21:18:44,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 844. [2022-12-13 21:18:44,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 636 states have (on average 1.2044025157232705) internal successors, (766), 685 states have internal predecessors, (766), 112 states have call successors, (112), 93 states have call predecessors, (112), 95 states have return successors, (157), 100 states have call predecessors, (157), 112 states have call successors, (157) [2022-12-13 21:18:44,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1035 transitions. [2022-12-13 21:18:44,844 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1035 transitions. Word has length 98 [2022-12-13 21:18:44,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:18:44,844 INFO L495 AbstractCegarLoop]: Abstraction has 844 states and 1035 transitions. [2022-12-13 21:18:44,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 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) [2022-12-13 21:18:44,845 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1035 transitions. [2022-12-13 21:18:44,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-13 21:18:44,847 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:44,847 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-12-13 21:18:44,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 21:18:45,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:18:45,048 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:45,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:45,049 INFO L85 PathProgramCache]: Analyzing trace with hash 305502577, now seen corresponding path program 1 times [2022-12-13 21:18:45,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:45,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809067792] [2022-12-13 21:18:45,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:45,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 21:18:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:18:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:18:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 21:18:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 21:18:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:18:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 21:18:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:18:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 21:18:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:18:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 21:18:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 21:18:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 21:18:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 21:18:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-12-13 21:18:45,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:45,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809067792] [2022-12-13 21:18:45,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809067792] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:18:45,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:18:45,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 21:18:45,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782861819] [2022-12-13 21:18:45,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:18:45,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 21:18:45,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:45,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 21:18:45,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-12-13 21:18:45,213 INFO L87 Difference]: Start difference. First operand 844 states and 1035 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 21:18:45,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:18:45,492 INFO L93 Difference]: Finished difference Result 1641 states and 2031 transitions. [2022-12-13 21:18:45,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 21:18:45,493 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 175 [2022-12-13 21:18:45,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:18:45,497 INFO L225 Difference]: With dead ends: 1641 [2022-12-13 21:18:45,497 INFO L226 Difference]: Without dead ends: 889 [2022-12-13 21:18:45,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2022-12-13 21:18:45,500 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 192 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 21:18:45,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 495 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 21:18:45,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2022-12-13 21:18:45,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 853. [2022-12-13 21:18:45,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 645 states have (on average 1.2015503875968991) internal successors, (775), 694 states have internal predecessors, (775), 112 states have call successors, (112), 93 states have call predecessors, (112), 95 states have return successors, (157), 100 states have call predecessors, (157), 112 states have call successors, (157) [2022-12-13 21:18:45,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1044 transitions. [2022-12-13 21:18:45,571 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1044 transitions. Word has length 175 [2022-12-13 21:18:45,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:18:45,571 INFO L495 AbstractCegarLoop]: Abstraction has 853 states and 1044 transitions. [2022-12-13 21:18:45,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 21:18:45,571 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1044 transitions. [2022-12-13 21:18:45,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-12-13 21:18:45,575 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:45,575 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 21:18:45,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 21:18:45,576 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:45,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:45,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1545203435, now seen corresponding path program 1 times [2022-12-13 21:18:45,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:45,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867770909] [2022-12-13 21:18:45,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:45,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 21:18:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 21:18:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:18:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 21:18:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-12-13 21:18:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:18:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 21:18:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:18:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-12-13 21:18:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:18:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 21:18:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-12-13 21:18:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-12-13 21:18:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-12-13 21:18:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 21:18:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,679 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 66 proven. 16 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-12-13 21:18:45,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:45,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867770909] [2022-12-13 21:18:45,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867770909] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:18:45,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902118629] [2022-12-13 21:18:45,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:45,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:18:45,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:18:45,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:18:45,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 21:18:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:45,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 21:18:45,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:18:45,803 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-12-13 21:18:45,803 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:18:45,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902118629] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:18:45,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 21:18:45,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2022-12-13 21:18:45,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672929089] [2022-12-13 21:18:45,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:18:45,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 21:18:45,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:45,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 21:18:45,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:18:45,805 INFO L87 Difference]: Start difference. First operand 853 states and 1044 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 21:18:45,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:18:45,854 INFO L93 Difference]: Finished difference Result 1708 states and 2090 transitions. [2022-12-13 21:18:45,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 21:18:45,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 185 [2022-12-13 21:18:45,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:18:45,858 INFO L225 Difference]: With dead ends: 1708 [2022-12-13 21:18:45,858 INFO L226 Difference]: Without dead ends: 863 [2022-12-13 21:18:45,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 21:18:45,860 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 35 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:18:45,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 240 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:18:45,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2022-12-13 21:18:45,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 853. [2022-12-13 21:18:45,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 645 states have (on average 1.193798449612403) internal successors, (770), 694 states have internal predecessors, (770), 112 states have call successors, (112), 93 states have call predecessors, (112), 95 states have return successors, (138), 100 states have call predecessors, (138), 112 states have call successors, (138) [2022-12-13 21:18:45,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1020 transitions. [2022-12-13 21:18:45,916 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1020 transitions. Word has length 185 [2022-12-13 21:18:45,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:18:45,916 INFO L495 AbstractCegarLoop]: Abstraction has 853 states and 1020 transitions. [2022-12-13 21:18:45,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-12-13 21:18:45,916 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1020 transitions. [2022-12-13 21:18:45,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-13 21:18:45,919 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:18:45,919 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 21:18:45,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 21:18:46,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:18:46,119 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 21:18:46,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:18:46,120 INFO L85 PathProgramCache]: Analyzing trace with hash 866202355, now seen corresponding path program 1 times [2022-12-13 21:18:46,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:18:46,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784811102] [2022-12-13 21:18:46,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:46,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:18:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:46,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 21:18:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:46,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 21:18:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:46,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:18:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:46,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 21:18:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:46,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-12-13 21:18:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:46,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:18:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:46,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 21:18:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:46,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 21:18:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:46,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-12-13 21:18:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:46,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 21:18:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:46,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 21:18:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:46,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-12-13 21:18:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:46,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-12-13 21:18:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:46,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-12-13 21:18:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:46,320 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 69 proven. 5 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-12-13 21:18:46,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:18:46,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784811102] [2022-12-13 21:18:46,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784811102] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 21:18:46,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954054549] [2022-12-13 21:18:46,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:18:46,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:18:46,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:18:46,322 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:18:46,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 21:18:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:18:46,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 21:18:46,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:18:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 140 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-13 21:18:46,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 21:18:46,878 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 81 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-12-13 21:18:46,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954054549] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 21:18:46,878 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 21:18:46,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25 [2022-12-13 21:18:46,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920581521] [2022-12-13 21:18:46,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 21:18:46,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-13 21:18:46,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:18:46,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-13 21:18:46,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2022-12-13 21:18:46,881 INFO L87 Difference]: Start difference. First operand 853 states and 1020 transitions. Second operand has 25 states, 25 states have (on average 8.64) internal successors, (216), 21 states have internal predecessors, (216), 9 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (31), 8 states have call predecessors, (31), 9 states have call successors, (31) [2022-12-13 21:18:47,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:18:47,905 INFO L93 Difference]: Finished difference Result 1866 states and 2300 transitions. [2022-12-13 21:18:47,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 21:18:47,906 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.64) internal successors, (216), 21 states have internal predecessors, (216), 9 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (31), 8 states have call predecessors, (31), 9 states have call successors, (31) Word has length 175 [2022-12-13 21:18:47,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:18:47,907 INFO L225 Difference]: With dead ends: 1866 [2022-12-13 21:18:47,907 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 21:18:47,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 368 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=545, Invalid=2005, Unknown=0, NotChecked=0, Total=2550 [2022-12-13 21:18:47,912 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 664 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 1176 SdHoareTripleChecker+Invalid, 1750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 21:18:47,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 1176 Invalid, 1750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 21:18:47,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 21:18:47,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 21:18:47,913 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) [2022-12-13 21:18:47,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 21:18:47,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2022-12-13 21:18:47,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:18:47,913 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 21:18:47,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.64) internal successors, (216), 21 states have internal predecessors, (216), 9 states have call successors, (30), 9 states have call predecessors, (30), 9 states have return successors, (31), 8 states have call predecessors, (31), 9 states have call successors, (31) [2022-12-13 21:18:47,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 21:18:47,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 21:18:47,915 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 21:18:47,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 21:18:48,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 21:18:48,118 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 21:18:54,236 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 860 867) no Hoare annotation was computed. [2022-12-13 21:18:54,237 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 860 867) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-12-13 21:18:54,237 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 860 867) no Hoare annotation was computed. [2022-12-13 21:18:54,237 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 793 799) no Hoare annotation was computed. [2022-12-13 21:18:54,237 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 793 799) the Hoare annotation is: true [2022-12-13 21:18:54,237 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 613 624) the Hoare annotation is: true [2022-12-13 21:18:54,237 INFO L899 garLoopResultBuilder]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2022-12-13 21:18:54,238 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 613 624) no Hoare annotation was computed. [2022-12-13 21:18:54,238 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 956) no Hoare annotation was computed. [2022-12-13 21:18:54,238 INFO L899 garLoopResultBuilder]: For program point L952-2(lines 952 956) no Hoare annotation was computed. [2022-12-13 21:18:54,238 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 574) no Hoare annotation was computed. [2022-12-13 21:18:54,238 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 597) no Hoare annotation was computed. [2022-12-13 21:18:54,238 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 577) no Hoare annotation was computed. [2022-12-13 21:18:54,238 INFO L895 garLoopResultBuilder]: At program point L593-2(lines 589 600) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-12-13 21:18:54,239 INFO L895 garLoopResultBuilder]: At program point L560-1(lines 552 580) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse18 (<= 1 ~pumpRunning~0)) (.cse14 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse15 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse19 (<= ~waterLevel~0 1)) (.cse20 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse21 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| ~waterLevel~0)) (.cse16 (<= 1 ~switchedOnBeforeTS~0)) (.cse12 (not .cse3))) (let ((.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and .cse9 .cse10 .cse19 .cse20 .cse21 .cse16 .cse12)) (.cse2 (and .cse18 .cse14 .cse10 .cse15 .cse19 .cse20 .cse21 .cse16)) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse13 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 2)) .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| 2) .cse7) (or .cse0 .cse6 .cse3 (= ~waterLevel~0 1) .cse7) (or .cse8 .cse5 .cse3 (and .cse9 .cse10 .cse11 .cse12)) (or (and .cse13 .cse14 .cse10 .cse15 .cse11 .cse16) .cse8 .cse0 .cse1 .cse2 .cse3 (and .cse13 .cse9 .cse10 .cse11 .cse16 .cse12) .cse4) (or .cse13 .cse8 .cse5) (let ((.cse17 (= 2 |timeShift_getWaterLevel_#res#1|))) (or (and .cse9 .cse17 .cse11 .cse12) .cse5 (and .cse18 .cse17 .cse11) .cse3 .cse7 (not (<= 2 |old(~waterLevel~0)|)))) (or .cse5 (and .cse9 .cse10 .cse11) .cse7 .cse12))))) [2022-12-13 21:18:54,239 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 680 688) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-12-13 21:18:54,240 INFO L895 garLoopResultBuilder]: At program point L841(line 841) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= 0 ~systemActive~0))) (let ((.cse2 (and (<= 1 ~pumpRunning~0) .cse5 .cse6 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse7 (not .cse3))) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 (and .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7) .cse2 .cse3 .cse4) (or .cse1 (not (< 1 |old(~waterLevel~0)|)) (and .cse5 .cse6 (= ~waterLevel~0 1) .cse7) .cse3 .cse0)))) [2022-12-13 21:18:54,240 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 766 792) no Hoare annotation was computed. [2022-12-13 21:18:54,240 INFO L895 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-12-13 21:18:54,240 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 657 665) the Hoare annotation is: (let ((.cse12 (<= 1 ~pumpRunning~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse5 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse18 (<= ~waterLevel~0 1)) (.cse19 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse11 (= ~pumpRunning~0 0)) (.cse13 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse11 .cse13 .cse14)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse15 (and .cse11 .cse5 .cse18 .cse19 .cse8)) (.cse16 (and .cse12 .cse4 .cse5 .cse6 .cse18 .cse19 .cse8)) (.cse3 (= 0 ~systemActive~0)) (.cse17 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 (not .cse3)) (let ((.cse7 (= ~waterLevel~0 1))) (or (and .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (not (< 1 |old(~waterLevel~0)|)) .cse3 .cse10 (and .cse11 .cse5 .cse7 .cse8))) (or .cse0 .cse1 .cse2 (and .cse12 .cse13 .cse14)) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 (and .cse11 .cse5 .cse14)) (or (and .cse12 .cse4 .cse5 .cse6 .cse14 .cse8) .cse9 .cse15 (and .cse11 .cse5 .cse14 .cse8) .cse16 .cse3 .cse10 .cse17) (or (not (= |old(~waterLevel~0)| 1)) .cse9 .cse15 .cse16 .cse3 .cse17)))) [2022-12-13 21:18:54,240 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 571) no Hoare annotation was computed. [2022-12-13 21:18:54,241 INFO L895 garLoopResultBuilder]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not .cse2)) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse2 .cse1) (or .cse0 .cse1 (and .cse4 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse3 .cse2 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-12-13 21:18:54,241 INFO L895 garLoopResultBuilder]: At program point L846-1(lines 827 851) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse9 (<= 1 ~pumpRunning~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse17 (<= ~waterLevel~0 1)) (.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse14 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (not .cse6)) (.cse15 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse15 .cse10)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse9 .cse12 .cse13 .cse17 .cse18 .cse14 .cse2)) (.cse7 (and .cse15 .cse17 .cse18 .cse14)) (.cse16 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse8 (and .cse9 .cse10) .cse5) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse6 (= ~waterLevel~0 1) .cse1) (or .cse11 .cse3 (and .cse12 .cse13 .cse10 .cse14) .cse4 (and .cse15 .cse10 .cse14) .cse6 .cse7 .cse16) (or .cse11 .cse0 .cse8) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse6 .cse7 .cse16))))) [2022-12-13 21:18:54,241 INFO L899 garLoopResultBuilder]: For program point L780-1(lines 780 786) no Hoare annotation was computed. [2022-12-13 21:18:54,241 INFO L895 garLoopResultBuilder]: At program point L562(line 562) the Hoare annotation is: (let ((.cse18 (<= 1 ~pumpRunning~0)) (.cse14 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse15 (= |timeShift_processEnvironment_~tmp~7#1| 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse19 (<= ~waterLevel~0 1)) (.cse20 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| ~waterLevel~0)) (.cse13 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse10 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and .cse1 .cse2 .cse19 .cse20 .cse12 .cse13)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and .cse18 .cse14 .cse2 .cse15 .cse19 .cse20 .cse12 .cse13)) (.cse8 (= 0 ~systemActive~0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse16 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse10 .cse4) (let ((.cse11 (= ~waterLevel~0 1))) (or .cse6 .cse10 (and .cse1 .cse2 .cse11 .cse12 .cse13) .cse8 .cse4 (and .cse14 .cse2 .cse15 .cse11 .cse12 .cse13))) (let ((.cse17 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1|)))) (or .cse5 .cse16 (and .cse17 .cse1 .cse2 .cse3 .cse13) .cse6 .cse7 .cse8 (and .cse18 .cse17 .cse14 .cse2 .cse15 .cse3 .cse13) .cse9)) (or .cse16 .cse0 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| 2))))) [2022-12-13 21:18:54,242 INFO L899 garLoopResultBuilder]: For program point L562-1(line 562) no Hoare annotation was computed. [2022-12-13 21:18:54,242 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 522 529) 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 (not (< 1 |old(~waterLevel~0)|)) .cse2 .cse0) (or .cse1 .cse2 .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-12-13 21:18:54,242 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 766 792) the Hoare annotation is: (let ((.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (and (= ~pumpRunning~0 0) .cse2 .cse7)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3 .cse4) (or .cse5 (not (<= |old(~waterLevel~0)| 1)) .cse6) (or .cse5 .cse6 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse3 .cse4 (and .cse1 .cse2 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-12-13 21:18:54,242 INFO L899 garLoopResultBuilder]: For program point L773(lines 773 779) no Hoare annotation was computed. [2022-12-13 21:18:54,242 INFO L899 garLoopResultBuilder]: For program point L773-2(lines 769 791) no Hoare annotation was computed. [2022-12-13 21:18:54,242 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 843) no Hoare annotation was computed. [2022-12-13 21:18:54,242 INFO L899 garLoopResultBuilder]: For program point L831(lines 831 848) no Hoare annotation was computed. [2022-12-13 21:18:54,243 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 943 961) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-12-13 21:18:54,243 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 542 551) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse3) (not (<= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2)))) [2022-12-13 21:18:54,243 INFO L899 garLoopResultBuilder]: For program point L526(line 526) no Hoare annotation was computed. [2022-12-13 21:18:54,243 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 766 792) no Hoare annotation was computed. [2022-12-13 21:18:54,243 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 526) no Hoare annotation was computed. [2022-12-13 21:18:54,243 INFO L895 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (let ((.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (and (= ~pumpRunning~0 0) .cse2 .cse7)) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3 .cse4) (or .cse5 (not (<= |old(~waterLevel~0)| 1)) .cse6) (or .cse5 .cse6 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse3 .cse4 (and .cse1 .cse2 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-12-13 21:18:54,243 INFO L899 garLoopResultBuilder]: For program point L547-1(line 547) no Hoare annotation was computed. [2022-12-13 21:18:54,244 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2022-12-13 21:18:54,244 INFO L902 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2022-12-13 21:18:54,244 INFO L899 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2022-12-13 21:18:54,244 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2022-12-13 21:18:54,244 INFO L902 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2022-12-13 21:18:54,244 INFO L899 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-12-13 21:18:54,244 INFO L902 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2022-12-13 21:18:54,244 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 418 447) the Hoare annotation is: true [2022-12-13 21:18:54,244 INFO L902 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2022-12-13 21:18:54,244 INFO L899 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2022-12-13 21:18:54,244 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 708) no Hoare annotation was computed. [2022-12-13 21:18:54,245 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 977 984) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 (<= ~waterLevel~0 2) .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 (<= ~waterLevel~0 1) .cse3 .cse4 .cse5))) [2022-12-13 21:18:54,245 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 484 494) the Hoare annotation is: true [2022-12-13 21:18:54,245 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 997 1003) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-12-13 21:18:54,245 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 498 520) the Hoare annotation is: true [2022-12-13 21:18:54,245 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 21:18:54,245 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 21:18:54,245 INFO L902 garLoopResultBuilder]: At program point L755(lines 692 759) the Hoare annotation is: true [2022-12-13 21:18:54,245 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2022-12-13 21:18:54,245 INFO L899 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2022-12-13 21:18:54,246 INFO L895 garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~3#1| 1))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse1 .cse2 (<= ~waterLevel~0 2) .cse3))) [2022-12-13 21:18:54,246 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 475 481) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-12-13 21:18:54,246 INFO L899 garLoopResultBuilder]: For program point L966(lines 966 972) no Hoare annotation was computed. [2022-12-13 21:18:54,246 INFO L899 garLoopResultBuilder]: For program point L966-1(lines 966 972) no Hoare annotation was computed. [2022-12-13 21:18:54,246 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 21:18:54,246 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 515) no Hoare annotation was computed. [2022-12-13 21:18:54,246 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 515) no Hoare annotation was computed. [2022-12-13 21:18:54,246 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 534 541) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-12-13 21:18:54,246 INFO L895 garLoopResultBuilder]: At program point L752(lines 701 753) the Hoare annotation is: false [2022-12-13 21:18:54,246 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 21:18:54,247 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 1004 1010) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-12-13 21:18:54,247 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 746) no Hoare annotation was computed. [2022-12-13 21:18:54,247 INFO L895 garLoopResultBuilder]: At program point L740-2(lines 732 747) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (not (= 0 ~systemActive~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~3#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4))) [2022-12-13 21:18:54,247 INFO L899 garLoopResultBuilder]: For program point L703(lines 702 751) no Hoare annotation was computed. [2022-12-13 21:18:54,247 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 747) no Hoare annotation was computed. [2022-12-13 21:18:54,247 INFO L895 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (not (= 0 ~systemActive~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~3#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4))) [2022-12-13 21:18:54,247 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 962 976) 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) (= |ULTIMATE.start_main_~tmp~3#1| 1) (= 0 ~systemActive~0)) [2022-12-13 21:18:54,247 INFO L895 garLoopResultBuilder]: At program point L749(lines 702 751) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~3#1| 1))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse1 .cse2 (<= ~waterLevel~0 2) .cse3))) [2022-12-13 21:18:54,248 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 1011 1019) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-12-13 21:18:54,248 INFO L899 garLoopResultBuilder]: For program point L712(lines 712 718) no Hoare annotation was computed. [2022-12-13 21:18:54,248 INFO L895 garLoopResultBuilder]: At program point L968(line 968) 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 (= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4))) [2022-12-13 21:18:54,248 INFO L899 garLoopResultBuilder]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2022-12-13 21:18:54,248 INFO L895 garLoopResultBuilder]: At program point activatePump_returnLabel#1(lines 852 859) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-12-13 21:18:54,248 INFO L895 garLoopResultBuilder]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0))) [2022-12-13 21:18:54,248 INFO L899 garLoopResultBuilder]: For program point L820-1(lines 801 825) no Hoare annotation was computed. [2022-12-13 21:18:54,248 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 801 825) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse0))) [2022-12-13 21:18:54,249 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 666 679) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse2))) [2022-12-13 21:18:54,249 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 676) no Hoare annotation was computed. [2022-12-13 21:18:54,249 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 924 942) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse2))) [2022-12-13 21:18:54,249 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 801 825) no Hoare annotation was computed. [2022-12-13 21:18:54,249 INFO L895 garLoopResultBuilder]: At program point L815(line 815) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))) (or (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0))) [2022-12-13 21:18:54,249 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 817) no Hoare annotation was computed. [2022-12-13 21:18:54,249 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 822) no Hoare annotation was computed. [2022-12-13 21:18:54,249 INFO L899 garLoopResultBuilder]: For program point L933(lines 933 937) no Hoare annotation was computed. [2022-12-13 21:18:54,250 INFO L899 garLoopResultBuilder]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2022-12-13 21:18:54,250 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 601 612) no Hoare annotation was computed. [2022-12-13 21:18:54,250 INFO L899 garLoopResultBuilder]: For program point L605-1(lines 601 612) no Hoare annotation was computed. [2022-12-13 21:18:54,250 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 601 612) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2) (or (not (= ~pumpRunning~0 0)) .cse1 (not (<= |old(~waterLevel~0)| 2))))) [2022-12-13 21:18:54,250 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 879 887) no Hoare annotation was computed. [2022-12-13 21:18:54,250 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 879 887) no Hoare annotation was computed. [2022-12-13 21:18:54,250 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 879 887) the Hoare annotation is: true [2022-12-13 21:18:54,253 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:18:54,255 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:18:54,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:18:54 BoogieIcfgContainer [2022-12-13 21:18:54,287 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:18:54,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:18:54,288 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:18:54,288 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:18:54,289 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:18:40" (3/4) ... [2022-12-13 21:18:54,292 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 21:18:54,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-12-13 21:18:54,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-12-13 21:18:54,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-13 21:18:54,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-13 21:18:54,299 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-13 21:18:54,299 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-12-13 21:18:54,299 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-13 21:18:54,299 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-12-13 21:18:54,304 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-13 21:18:54,305 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 21:18:54,305 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 21:18:54,305 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:18:54,306 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 21:18:54,329 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-12-13 21:18:54,329 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-12-13 21:18:54,330 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-12-13 21:18:54,330 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && \result == 1) && waterLevel <= 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) [2022-12-13 21:18:54,330 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || 0 == systemActive) [2022-12-13 21:18:54,331 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-12-13 21:18:54,331 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || (((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) [2022-12-13 21:18:54,331 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(1 <= \old(pumpRunning)) || ((((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || 0 == systemActive) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || tmp == 2) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel) && !(0 == systemActive)))) && ((((((((((((!(2 <= tmp) && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((((!(2 <= tmp) && pumpRunning == 0) && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(2 <= tmp) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) [2022-12-13 21:18:54,331 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && (((((((!(\old(waterLevel) <= 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-12-13 21:18:54,332 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && 0 == systemActive [2022-12-13 21:18:54,332 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-12-13 21:18:54,332 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2)) || !(0 == systemActive)) && (((((((((pumpRunning == \old(pumpRunning) && waterLevel == \result) && tmp == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && waterLevel == \result) && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel))) && ((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-12-13 21:18:54,332 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-12-13 21:18:54,333 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive) || \result == 1) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) [2022-12-13 21:18:54,333 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-12-13 21:18:54,333 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (tmp___0 == 0 && \result == 0)) || !(waterLevel <= 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) [2022-12-13 21:18:54,333 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) [2022-12-13 21:18:54,355 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:18:54,356 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:18:54,356 INFO L158 Benchmark]: Toolchain (without parser) took 14434.28ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 114.3MB in the beginning and 65.8MB in the end (delta: 48.4MB). Peak memory consumption was 114.6MB. Max. memory is 16.1GB. [2022-12-13 21:18:54,356 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 146.8MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:18:54,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.34ms. Allocated memory is still 146.8MB. Free memory was 114.3MB in the beginning and 95.6MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 21:18:54,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.51ms. Allocated memory is still 146.8MB. Free memory was 95.1MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:18:54,357 INFO L158 Benchmark]: Boogie Preprocessor took 19.83ms. Allocated memory is still 146.8MB. Free memory was 93.0MB in the beginning and 91.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:18:54,358 INFO L158 Benchmark]: RCFGBuilder took 344.88ms. Allocated memory is still 146.8MB. Free memory was 91.4MB in the beginning and 74.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 21:18:54,358 INFO L158 Benchmark]: TraceAbstraction took 13690.19ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 73.7MB in the beginning and 72.1MB in the end (delta: 1.5MB). Peak memory consumption was 87.4MB. Max. memory is 16.1GB. [2022-12-13 21:18:54,358 INFO L158 Benchmark]: Witness Printer took 67.64ms. Allocated memory is still 211.8MB. Free memory was 72.1MB in the beginning and 65.8MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:18:54,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 146.8MB. Free memory is still 120.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.34ms. Allocated memory is still 146.8MB. Free memory was 114.3MB in the beginning and 95.6MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.51ms. Allocated memory is still 146.8MB. Free memory was 95.1MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.83ms. Allocated memory is still 146.8MB. Free memory was 93.0MB in the beginning and 91.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 344.88ms. Allocated memory is still 146.8MB. Free memory was 91.4MB in the beginning and 74.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13690.19ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 73.7MB in the beginning and 72.1MB in the end (delta: 1.5MB). Peak memory consumption was 87.4MB. Max. memory is 16.1GB. * Witness Printer took 67.64ms. Allocated memory is still 211.8MB. Free memory was 72.1MB in the beginning and 65.8MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 526]: 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, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.6s, OverallIterations: 12, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2497 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2457 mSDsluCounter, 6699 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5193 mSDsCounter, 844 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4362 IncrementalHoareTripleChecker+Invalid, 5206 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 844 mSolverCounterUnsat, 1506 mSDtfsCounter, 4362 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1088 GetRequests, 895 SyntacticMatches, 10 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1540 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=853occurred in iteration=10, InterpolantAutomatonStates: 160, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 490 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 2641 PreInvPairs, 3015 NumberOfFragments, 2901 HoareAnnotationTreeSize, 2641 FomulaSimplifications, 4766 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 46 FomulaSimplificationsInter, 32478 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1447 NumberOfCodeBlocks, 1447 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1703 ConstructedInterpolants, 0 QuantifiedInterpolants, 3127 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1454 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 1192/1284 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: 475]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && \result == 1) && waterLevel <= 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 943]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive) || \result == 1) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 924]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (tmp___0 == 0 && \result == 0)) || !(waterLevel <= 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && (((((((!(\old(waterLevel) <= 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && 0 == systemActive - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (((((((((((!(1 <= \old(pumpRunning)) || ((((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || 0 == systemActive) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || tmp == 2) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel) && !(0 == systemActive)))) && ((((((((((((!(2 <= tmp) && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) <= 1)) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp <= waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((((!(2 <= tmp) && pumpRunning == 0) && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(2 <= tmp) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || ((((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || (((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2)) || !(0 == systemActive)) && (((((((((pumpRunning == \old(pumpRunning) && waterLevel == \result) && tmp == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && waterLevel == \result) && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 2)) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel))) && ((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1004]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || 0 == systemActive) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 21:18:54,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b627f1-94b2-41e2-a7f4-d8cab05bef68/bin/uautomizer-uyxdKDjOR8/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