./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a --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 e1c4d106eb612b91999bdca4bb49f57df1223b70f35ecd881d6daa6062cb1b0b --- 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-b5237d8 [2022-11-21 16:09:56,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:09:56,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:09:57,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:09:57,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:09:57,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:09:57,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:09:57,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:09:57,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:09:57,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:09:57,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:09:57,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:09:57,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:09:57,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:09:57,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:09:57,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:09:57,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:09:57,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:09:57,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:09:57,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:09:57,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:09:57,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:09:57,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:09:57,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:09:57,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:09:57,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:09:57,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:09:57,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:09:57,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:09:57,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:09:57,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:09:57,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:09:57,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:09:57,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:09:57,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:09:57,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:09:57,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:09:57,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:09:57,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:09:57,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:09:57,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:09:57,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 16:09:57,109 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:09:57,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:09:57,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:09:57,111 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:09:57,112 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:09:57,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:09:57,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:09:57,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:09:57,114 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:09:57,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:09:57,115 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:09:57,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:09:57,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:09:57,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:09:57,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:09:57,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:09:57,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:09:57,118 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:09:57,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:09:57,118 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:09:57,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:09:57,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:09:57,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:09:57,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:09:57,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:09:57,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:09:57,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:09:57,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:09:57,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:09:57,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:09:57,123 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:09:57,123 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:09:57,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:09:57,124 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1c4d106eb612b91999bdca4bb49f57df1223b70f35ecd881d6daa6062cb1b0b [2022-11-21 16:09:57,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:09:57,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:09:57,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:09:57,533 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:09:57,534 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:09:57,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2022-11-21 16:10:01,041 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:10:01,334 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:10:01,335 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2022-11-21 16:10:01,357 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/data/1d446c9cb/553bf541591646a88f5a152d57bc7d03/FLAG642a1273c [2022-11-21 16:10:01,375 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/data/1d446c9cb/553bf541591646a88f5a152d57bc7d03 [2022-11-21 16:10:01,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:10:01,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:10:01,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:10:01,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:10:01,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:10:01,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:10:01" (1/1) ... [2022-11-21 16:10:01,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da52ed6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:01, skipping insertion in model container [2022-11-21 16:10:01,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:10:01" (1/1) ... [2022-11-21 16:10:01,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:10:01,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:10:01,621 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_72dc4a2b-e33b-4141-8490-dbd596e50a9a/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c[1605,1618] [2022-11-21 16:10:01,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:10:01,805 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:10:01,832 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_72dc4a2b-e33b-4141-8490-dbd596e50a9a/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c[1605,1618] [2022-11-21 16:10:01,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:10:01,921 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:10:01,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:01 WrapperNode [2022-11-21 16:10:01,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:10:01,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:10:01,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:10:01,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:10:01,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:01" (1/1) ... [2022-11-21 16:10:01,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:01" (1/1) ... [2022-11-21 16:10:01,980 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 225 [2022-11-21 16:10:01,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:10:01,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:10:01,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:10:01,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:10:01,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:01" (1/1) ... [2022-11-21 16:10:01,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:01" (1/1) ... [2022-11-21 16:10:01,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:01" (1/1) ... [2022-11-21 16:10:01,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:01" (1/1) ... [2022-11-21 16:10:02,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:01" (1/1) ... [2022-11-21 16:10:02,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:01" (1/1) ... [2022-11-21 16:10:02,014 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:01" (1/1) ... [2022-11-21 16:10:02,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:01" (1/1) ... [2022-11-21 16:10:02,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:10:02,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:10:02,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:10:02,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:10:02,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:01" (1/1) ... [2022-11-21 16:10:02,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:10:02,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:10:02,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:10:02,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:10:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:10:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-21 16:10:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-21 16:10:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-21 16:10:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-21 16:10:02,130 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-21 16:10:02,130 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-21 16:10:02,131 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-21 16:10:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-21 16:10:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-21 16:10:02,132 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-21 16:10:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-21 16:10:02,133 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-21 16:10:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-21 16:10:02,133 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-21 16:10:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-21 16:10:02,134 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-21 16:10:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:10:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-21 16:10:02,135 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-21 16:10:02,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:10:02,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:10:02,267 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:10:02,270 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:10:02,680 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:10:02,695 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:10:02,695 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 16:10:02,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:10:02 BoogieIcfgContainer [2022-11-21 16:10:02,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:10:02,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:10:02,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:10:02,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:10:02,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:10:01" (1/3) ... [2022-11-21 16:10:02,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d3fe31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:10:02, skipping insertion in model container [2022-11-21 16:10:02,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:10:01" (2/3) ... [2022-11-21 16:10:02,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d3fe31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:10:02, skipping insertion in model container [2022-11-21 16:10:02,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:10:02" (3/3) ... [2022-11-21 16:10:02,739 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2022-11-21 16:10:02,776 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:10:02,776 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:10:02,841 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:10:02,847 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;@76506c52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:10:02,848 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:10:02,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-21 16:10:02,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 16:10:02,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:10:02,869 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:10:02,870 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:10:02,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:10:02,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1763060088, now seen corresponding path program 1 times [2022-11-21 16:10:02,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:10:02,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803264148] [2022-11-21 16:10:02,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:10:02,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:10:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:03,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:10:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:10:03,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:10:03,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803264148] [2022-11-21 16:10:03,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803264148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:10:03,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:10:03,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:10:03,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484423558] [2022-11-21 16:10:03,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:10:03,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:10:03,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:10:03,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:10:03,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:10:03,176 INFO L87 Difference]: Start difference. First operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:10:03,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:10:03,224 INFO L93 Difference]: Finished difference Result 196 states and 267 transitions. [2022-11-21 16:10:03,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:10:03,227 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-21 16:10:03,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:10:03,239 INFO L225 Difference]: With dead ends: 196 [2022-11-21 16:10:03,239 INFO L226 Difference]: Without dead ends: 93 [2022-11-21 16:10:03,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:10:03,248 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:10:03,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:10:03,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-21 16:10:03,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-11-21 16:10:03,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 77 states have internal predecessors, (90), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-21 16:10:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2022-11-21 16:10:03,308 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 121 transitions. Word has length 25 [2022-11-21 16:10:03,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:10:03,309 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 121 transitions. [2022-11-21 16:10:03,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:10:03,309 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2022-11-21 16:10:03,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 16:10:03,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:10:03,313 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:10:03,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:10:03,314 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:10:03,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:10:03,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1681284877, now seen corresponding path program 1 times [2022-11-21 16:10:03,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:10:03,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509388669] [2022-11-21 16:10:03,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:10:03,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:10:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-21 16:10:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:03,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:10:03,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:10:03,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509388669] [2022-11-21 16:10:03,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509388669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:10:03,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:10:03,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:10:03,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47923572] [2022-11-21 16:10:03,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:10:03,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:10:03,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:10:03,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:10:03,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:10:03,463 INFO L87 Difference]: Start difference. First operand 93 states and 121 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:10:03,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:10:03,491 INFO L93 Difference]: Finished difference Result 152 states and 198 transitions. [2022-11-21 16:10:03,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:10:03,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-21 16:10:03,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:10:03,494 INFO L225 Difference]: With dead ends: 152 [2022-11-21 16:10:03,494 INFO L226 Difference]: Without dead ends: 84 [2022-11-21 16:10:03,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:10:03,497 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 12 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:10:03,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:10:03,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-21 16:10:03,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-11-21 16:10:03,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 71 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-21 16:10:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2022-11-21 16:10:03,516 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 26 [2022-11-21 16:10:03,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:10:03,517 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2022-11-21 16:10:03,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:10:03,517 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2022-11-21 16:10:03,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 16:10:03,519 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:10:03,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:10:03,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:10:03,520 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:10:03,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:10:03,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1900585844, now seen corresponding path program 1 times [2022-11-21 16:10:03,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:10:03,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121259684] [2022-11-21 16:10:03,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:10:03,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:10:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:10:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:10:03,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:10:03,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121259684] [2022-11-21 16:10:03,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121259684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:10:03,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:10:03,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:10:03,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137234790] [2022-11-21 16:10:03,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:10:03,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:10:03,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:10:03,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:10:03,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:10:03,705 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:10:03,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:10:03,764 INFO L93 Difference]: Finished difference Result 161 states and 212 transitions. [2022-11-21 16:10:03,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:10:03,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-11-21 16:10:03,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:10:03,767 INFO L225 Difference]: With dead ends: 161 [2022-11-21 16:10:03,768 INFO L226 Difference]: Without dead ends: 84 [2022-11-21 16:10:03,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:10:03,774 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:10:03,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:10:03,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-21 16:10:03,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-11-21 16:10:03,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 71 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-21 16:10:03,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2022-11-21 16:10:03,795 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 30 [2022-11-21 16:10:03,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:10:03,796 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2022-11-21 16:10:03,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-21 16:10:03,796 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-11-21 16:10:03,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-21 16:10:03,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:10:03,799 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] [2022-11-21 16:10:03,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:10:03,800 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:10:03,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:10:03,801 INFO L85 PathProgramCache]: Analyzing trace with hash 810060833, now seen corresponding path program 1 times [2022-11-21 16:10:03,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:10:03,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518478173] [2022-11-21 16:10:03,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:10:03,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:10:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:10:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:10:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 16:10:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:04,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:10:04,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:10:04,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518478173] [2022-11-21 16:10:04,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518478173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:10:04,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:10:04,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:10:04,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895768201] [2022-11-21 16:10:04,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:10:04,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:10:04,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:10:04,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:10:04,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:10:04,018 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 16:10:04,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:10:04,363 INFO L93 Difference]: Finished difference Result 243 states and 317 transitions. [2022-11-21 16:10:04,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:10:04,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2022-11-21 16:10:04,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:10:04,366 INFO L225 Difference]: With dead ends: 243 [2022-11-21 16:10:04,367 INFO L226 Difference]: Without dead ends: 166 [2022-11-21 16:10:04,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:10:04,369 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 154 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:10:04,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 224 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 16:10:04,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-21 16:10:04,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 160. [2022-11-21 16:10:04,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 120 states have (on average 1.2916666666666667) internal successors, (155), 128 states have internal predecessors, (155), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-11-21 16:10:04,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 204 transitions. [2022-11-21 16:10:04,401 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 204 transitions. Word has length 43 [2022-11-21 16:10:04,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:10:04,402 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 204 transitions. [2022-11-21 16:10:04,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 16:10:04,402 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 204 transitions. [2022-11-21 16:10:04,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-21 16:10:04,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:10:04,404 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:10:04,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:10:04,405 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:10:04,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:10:04,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1861351509, now seen corresponding path program 1 times [2022-11-21 16:10:04,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:10:04,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872226427] [2022-11-21 16:10:04,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:10:04,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:10:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:04,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:10:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:04,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:10:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:04,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:10:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:04,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:10:04,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:10:04,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872226427] [2022-11-21 16:10:04,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872226427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:10:04,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:10:04,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:10:04,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769034413] [2022-11-21 16:10:04,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:10:04,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:10:04,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:10:04,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:10:04,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:10:04,612 INFO L87 Difference]: Start difference. First operand 160 states and 204 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 16:10:05,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:10:05,104 INFO L93 Difference]: Finished difference Result 439 states and 590 transitions. [2022-11-21 16:10:05,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 16:10:05,105 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 3 states have call successors, (3) Word has length 49 [2022-11-21 16:10:05,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:10:05,119 INFO L225 Difference]: With dead ends: 439 [2022-11-21 16:10:05,119 INFO L226 Difference]: Without dead ends: 286 [2022-11-21 16:10:05,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-11-21 16:10:05,122 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 178 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:10:05,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 448 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 16:10:05,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-11-21 16:10:05,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 253. [2022-11-21 16:10:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 191 states have (on average 1.2827225130890052) internal successors, (245), 201 states have internal predecessors, (245), 30 states have call successors, (30), 26 states have call predecessors, (30), 31 states have return successors, (49), 32 states have call predecessors, (49), 30 states have call successors, (49) [2022-11-21 16:10:05,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 324 transitions. [2022-11-21 16:10:05,212 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 324 transitions. Word has length 49 [2022-11-21 16:10:05,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:10:05,212 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 324 transitions. [2022-11-21 16:10:05,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 16:10:05,213 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 324 transitions. [2022-11-21 16:10:05,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-21 16:10:05,215 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:10:05,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:10:05,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:10:05,216 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:10:05,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:10:05,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1995365015, now seen corresponding path program 1 times [2022-11-21 16:10:05,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:10:05,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643750139] [2022-11-21 16:10:05,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:10:05,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:10:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:05,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:10:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:05,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:10:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:05,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:10:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:05,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:10:05,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:10:05,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643750139] [2022-11-21 16:10:05,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643750139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:10:05,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:10:05,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:10:05,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295113813] [2022-11-21 16:10:05,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:10:05,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:10:05,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:10:05,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:10:05,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:10:05,497 INFO L87 Difference]: Start difference. First operand 253 states and 324 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:10:05,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:10:05,756 INFO L93 Difference]: Finished difference Result 513 states and 670 transitions. [2022-11-21 16:10:05,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:10:05,757 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-11-21 16:10:05,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:10:05,764 INFO L225 Difference]: With dead ends: 513 [2022-11-21 16:10:05,764 INFO L226 Difference]: Without dead ends: 267 [2022-11-21 16:10:05,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:10:05,781 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 73 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:10:05,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 427 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:10:05,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-11-21 16:10:05,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 259. [2022-11-21 16:10:05,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 197 states have (on average 1.2741116751269035) internal successors, (251), 207 states have internal predecessors, (251), 30 states have call successors, (30), 26 states have call predecessors, (30), 31 states have return successors, (49), 32 states have call predecessors, (49), 30 states have call successors, (49) [2022-11-21 16:10:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 330 transitions. [2022-11-21 16:10:05,835 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 330 transitions. Word has length 49 [2022-11-21 16:10:05,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:10:05,836 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 330 transitions. [2022-11-21 16:10:05,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:10:05,837 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 330 transitions. [2022-11-21 16:10:05,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-21 16:10:05,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:10:05,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:10:05,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:10:05,845 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:10:05,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:10:05,845 INFO L85 PathProgramCache]: Analyzing trace with hash -2080747563, now seen corresponding path program 1 times [2022-11-21 16:10:05,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:10:05,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689661077] [2022-11-21 16:10:05,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:10:05,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:10:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:05,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:10:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:05,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:10:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:06,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:10:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:06,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:10:06,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:10:06,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689661077] [2022-11-21 16:10:06,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689661077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:10:06,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:10:06,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:10:06,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941121443] [2022-11-21 16:10:06,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:10:06,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:10:06,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:10:06,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:10:06,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:10:06,035 INFO L87 Difference]: Start difference. First operand 259 states and 330 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:10:06,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:10:06,303 INFO L93 Difference]: Finished difference Result 475 states and 619 transitions. [2022-11-21 16:10:06,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:10:06,304 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-11-21 16:10:06,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:10:06,306 INFO L225 Difference]: With dead ends: 475 [2022-11-21 16:10:06,307 INFO L226 Difference]: Without dead ends: 223 [2022-11-21 16:10:06,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:10:06,311 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 170 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:10:06,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 263 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:10:06,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-11-21 16:10:06,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 218. [2022-11-21 16:10:06,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 165 states have (on average 1.2545454545454546) internal successors, (207), 174 states have internal predecessors, (207), 26 states have call successors, (26), 22 states have call predecessors, (26), 26 states have return successors, (37), 27 states have call predecessors, (37), 26 states have call successors, (37) [2022-11-21 16:10:06,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 270 transitions. [2022-11-21 16:10:06,354 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 270 transitions. Word has length 49 [2022-11-21 16:10:06,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:10:06,357 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 270 transitions. [2022-11-21 16:10:06,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:10:06,357 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 270 transitions. [2022-11-21 16:10:06,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 16:10:06,359 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:10:06,361 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:10:06,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:10:06,361 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:10:06,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:10:06,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1736726981, now seen corresponding path program 1 times [2022-11-21 16:10:06,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:10:06,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392045736] [2022-11-21 16:10:06,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:10:06,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:10:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:06,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:10:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:10:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:06,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:10:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:06,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-21 16:10:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:06,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:10:06,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:10:06,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392045736] [2022-11-21 16:10:06,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392045736] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:10:06,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:10:06,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:10:06,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347301150] [2022-11-21 16:10:06,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:10:06,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:10:06,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:10:06,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:10:06,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:10:06,608 INFO L87 Difference]: Start difference. First operand 218 states and 270 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 16:10:06,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:10:06,899 INFO L93 Difference]: Finished difference Result 432 states and 535 transitions. [2022-11-21 16:10:06,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:10:06,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-11-21 16:10:06,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:10:06,906 INFO L225 Difference]: With dead ends: 432 [2022-11-21 16:10:06,906 INFO L226 Difference]: Without dead ends: 221 [2022-11-21 16:10:06,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:10:06,910 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 127 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:10:06,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 389 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:10:06,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-11-21 16:10:06,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 216. [2022-11-21 16:10:06,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 163 states have (on average 1.2453987730061349) internal successors, (203), 172 states have internal predecessors, (203), 26 states have call successors, (26), 22 states have call predecessors, (26), 26 states have return successors, (37), 27 states have call predecessors, (37), 26 states have call successors, (37) [2022-11-21 16:10:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 266 transitions. [2022-11-21 16:10:06,953 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 266 transitions. Word has length 51 [2022-11-21 16:10:06,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:10:06,954 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 266 transitions. [2022-11-21 16:10:06,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 16:10:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 266 transitions. [2022-11-21 16:10:06,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-21 16:10:06,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:10:06,956 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:10:06,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:10:06,957 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:10:06,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:10:06,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1340244461, now seen corresponding path program 1 times [2022-11-21 16:10:06,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:10:06,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191548165] [2022-11-21 16:10:06,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:10:06,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:10:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:07,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:10:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 16:10:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:07,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:10:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:07,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 16:10:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:07,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:10:07,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:10:07,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191548165] [2022-11-21 16:10:07,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191548165] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:10:07,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:10:07,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 16:10:07,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6620119] [2022-11-21 16:10:07,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:10:07,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 16:10:07,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:10:07,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 16:10:07,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:10:07,163 INFO L87 Difference]: Start difference. First operand 216 states and 266 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-21 16:10:07,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:10:07,905 INFO L93 Difference]: Finished difference Result 433 states and 540 transitions. [2022-11-21 16:10:07,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-21 16:10:07,906 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 53 [2022-11-21 16:10:07,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:10:07,908 INFO L225 Difference]: With dead ends: 433 [2022-11-21 16:10:07,909 INFO L226 Difference]: Without dead ends: 275 [2022-11-21 16:10:07,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2022-11-21 16:10:07,911 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 438 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:10:07,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 410 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 16:10:07,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-11-21 16:10:07,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 218. [2022-11-21 16:10:07,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 164 states have (on average 1.2073170731707317) internal successors, (198), 174 states have internal predecessors, (198), 26 states have call successors, (26), 22 states have call predecessors, (26), 27 states have return successors, (32), 27 states have call predecessors, (32), 26 states have call successors, (32) [2022-11-21 16:10:07,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 256 transitions. [2022-11-21 16:10:07,939 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 256 transitions. Word has length 53 [2022-11-21 16:10:07,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:10:07,939 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 256 transitions. [2022-11-21 16:10:07,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-21 16:10:07,940 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 256 transitions. [2022-11-21 16:10:07,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-21 16:10:07,941 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:10:07,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:10:07,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:10:07,942 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:10:07,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:10:07,943 INFO L85 PathProgramCache]: Analyzing trace with hash -768900197, now seen corresponding path program 1 times [2022-11-21 16:10:07,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:10:07,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134889671] [2022-11-21 16:10:07,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:10:07,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:10:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:10:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:08,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 16:10:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:08,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:10:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:08,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:10:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:10:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:08,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:10:08,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:10:08,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134889671] [2022-11-21 16:10:08,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134889671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:10:08,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:10:08,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:10:08,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214429847] [2022-11-21 16:10:08,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:10:08,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:10:08,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:10:08,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:10:08,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:10:08,087 INFO L87 Difference]: Start difference. First operand 218 states and 256 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 16:10:08,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:10:08,509 INFO L93 Difference]: Finished difference Result 417 states and 499 transitions. [2022-11-21 16:10:08,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:10:08,509 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2022-11-21 16:10:08,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:10:08,511 INFO L225 Difference]: With dead ends: 417 [2022-11-21 16:10:08,512 INFO L226 Difference]: Without dead ends: 257 [2022-11-21 16:10:08,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:10:08,514 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 156 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:10:08,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 316 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 16:10:08,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-11-21 16:10:08,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 218. [2022-11-21 16:10:08,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 164 states have (on average 1.201219512195122) internal successors, (197), 174 states have internal predecessors, (197), 26 states have call successors, (26), 22 states have call predecessors, (26), 27 states have return successors, (32), 27 states have call predecessors, (32), 26 states have call successors, (32) [2022-11-21 16:10:08,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 255 transitions. [2022-11-21 16:10:08,543 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 255 transitions. Word has length 55 [2022-11-21 16:10:08,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:10:08,544 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 255 transitions. [2022-11-21 16:10:08,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 16:10:08,544 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 255 transitions. [2022-11-21 16:10:08,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-21 16:10:08,545 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:10:08,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:10:08,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:10:08,546 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:10:08,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:10:08,547 INFO L85 PathProgramCache]: Analyzing trace with hash -696926305, now seen corresponding path program 1 times [2022-11-21 16:10:08,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:10:08,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580633619] [2022-11-21 16:10:08,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:10:08,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:10:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:08,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:10:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:08,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 16:10:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:08,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:10:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:08,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:10:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:08,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:10:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:08,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:10:08,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:10:08,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580633619] [2022-11-21 16:10:08,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580633619] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:10:08,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:10:08,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:10:08,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212714485] [2022-11-21 16:10:08,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:10:08,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:10:08,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:10:08,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:10:08,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:10:08,682 INFO L87 Difference]: Start difference. First operand 218 states and 255 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-21 16:10:09,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:10:09,378 INFO L93 Difference]: Finished difference Result 536 states and 657 transitions. [2022-11-21 16:10:09,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-21 16:10:09,379 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 55 [2022-11-21 16:10:09,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:10:09,382 INFO L225 Difference]: With dead ends: 536 [2022-11-21 16:10:09,382 INFO L226 Difference]: Without dead ends: 376 [2022-11-21 16:10:09,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2022-11-21 16:10:09,384 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 388 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:10:09,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 343 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 16:10:09,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-11-21 16:10:09,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 347. [2022-11-21 16:10:09,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 259 states have (on average 1.193050193050193) internal successors, (309), 275 states have internal predecessors, (309), 46 states have call successors, (46), 35 states have call predecessors, (46), 41 states have return successors, (60), 44 states have call predecessors, (60), 46 states have call successors, (60) [2022-11-21 16:10:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 415 transitions. [2022-11-21 16:10:09,457 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 415 transitions. Word has length 55 [2022-11-21 16:10:09,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:10:09,458 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 415 transitions. [2022-11-21 16:10:09,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-21 16:10:09,458 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 415 transitions. [2022-11-21 16:10:09,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-21 16:10:09,460 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:10:09,460 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:10:09,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 16:10:09,461 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:10:09,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:10:09,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1626295211, now seen corresponding path program 1 times [2022-11-21 16:10:09,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:10:09,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195716466] [2022-11-21 16:10:09,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:10:09,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:10:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:09,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 16:10:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 16:10:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:09,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 16:10:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:09,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:10:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:09,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:10:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-21 16:10:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:09,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 16:10:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:09,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 16:10:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:09,703 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 16:10:09,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:10:09,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195716466] [2022-11-21 16:10:09,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195716466] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:10:09,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334922427] [2022-11-21 16:10:09,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:10:09,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:10:09,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:10:09,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:10:09,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:10:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:10:09,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-21 16:10:09,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:10:10,128 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-21 16:10:10,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 16:10:10,545 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-21 16:10:10,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334922427] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 16:10:10,545 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 16:10:10,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 9] total 20 [2022-11-21 16:10:10,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509998543] [2022-11-21 16:10:10,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 16:10:10,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-21 16:10:10,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:10:10,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-21 16:10:10,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2022-11-21 16:10:10,549 INFO L87 Difference]: Start difference. First operand 347 states and 415 transitions. Second operand has 20 states, 20 states have (on average 6.6) internal successors, (132), 14 states have internal predecessors, (132), 6 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 6 states have call successors, (22) [2022-11-21 16:10:13,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:10:13,033 INFO L93 Difference]: Finished difference Result 1073 states and 1374 transitions. [2022-11-21 16:10:13,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-11-21 16:10:13,035 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.6) internal successors, (132), 14 states have internal predecessors, (132), 6 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 6 states have call successors, (22) Word has length 89 [2022-11-21 16:10:13,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:10:13,036 INFO L225 Difference]: With dead ends: 1073 [2022-11-21 16:10:13,036 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 16:10:13,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 187 SyntacticMatches, 7 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1217 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1031, Invalid=3525, Unknown=0, NotChecked=0, Total=4556 [2022-11-21 16:10:13,042 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 738 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 1792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:10:13,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 763 Invalid, 1792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-21 16:10:13,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 16:10:13,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 16:10:13,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:10:13,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 16:10:13,045 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2022-11-21 16:10:13,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:10:13,045 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:10:13,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.6) internal successors, (132), 14 states have internal predecessors, (132), 6 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 6 states have call successors, (22) [2022-11-21 16:10:13,046 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:10:13,046 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 16:10:13,049 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:10:13,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:10:13,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-21 16:10:13,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 16:10:18,996 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 296 303) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) [2022-11-21 16:10:18,996 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 296 303) no Hoare annotation was computed. [2022-11-21 16:10:18,997 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 296 303) no Hoare annotation was computed. [2022-11-21 16:10:18,997 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 203 209) no Hoare annotation was computed. [2022-11-21 16:10:18,997 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 203 209) the Hoare annotation is: true [2022-11-21 16:10:18,997 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 426 437) no Hoare annotation was computed. [2022-11-21 16:10:18,997 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 426 437) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0)) .cse3) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-21 16:10:18,997 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 426 437) no Hoare annotation was computed. [2022-11-21 16:10:18,998 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 438 446) the Hoare annotation is: true [2022-11-21 16:10:18,998 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 438 446) no Hoare annotation was computed. [2022-11-21 16:10:18,998 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 438 446) no Hoare annotation was computed. [2022-11-21 16:10:18,998 INFO L902 garLoopResultBuilder]: At program point L929(lines 904 933) the Hoare annotation is: true [2022-11-21 16:10:19,001 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 904 933) no Hoare annotation was computed. [2022-11-21 16:10:19,002 INFO L899 garLoopResultBuilder]: For program point L925(line 925) no Hoare annotation was computed. [2022-11-21 16:10:19,002 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 904 933) the Hoare annotation is: true [2022-11-21 16:10:19,003 INFO L899 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2022-11-21 16:10:19,003 INFO L902 garLoopResultBuilder]: At program point L918-1(lines 918 922) the Hoare annotation is: true [2022-11-21 16:10:19,003 INFO L899 garLoopResultBuilder]: For program point L915(line 915) no Hoare annotation was computed. [2022-11-21 16:10:19,003 INFO L902 garLoopResultBuilder]: At program point L914-2(lines 914 928) the Hoare annotation is: true [2022-11-21 16:10:19,004 INFO L902 garLoopResultBuilder]: At program point L910(line 910) the Hoare annotation is: true [2022-11-21 16:10:19,004 INFO L899 garLoopResultBuilder]: For program point L910-1(line 910) no Hoare annotation was computed. [2022-11-21 16:10:19,004 INFO L895 garLoopResultBuilder]: At program point L320(lines 315 323) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (or .cse0 (and (<= 1 ~pumpRunning~0) (not (= |timeShift_isPumpRunning_#res#1| 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1| 0)) .cse1 .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2))) [2022-11-21 16:10:19,009 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~systemActive~0))) (let ((.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse9)) (.cse7 (and .cse1 .cse4 .cse2 .cse9 .cse8)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 .cse2 .cse3) (not (<= 1 |old(~pumpRunning~0)|)) (and .cse4 .cse2 .cse3) .cse5)) (or (not (<= |old(~waterLevel~0)| 1)) .cse6 .cse0 .cse7) (or .cse6 .cse0 .cse7 (and (<= 1 ~pumpRunning~0) .cse8) .cse5)))) [2022-11-21 16:10:19,010 INFO L899 garLoopResultBuilder]: For program point L510-1(line 510) no Hoare annotation was computed. [2022-11-21 16:10:19,010 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 279) no Hoare annotation was computed. [2022-11-21 16:10:19,011 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 284) no Hoare annotation was computed. [2022-11-21 16:10:19,011 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 179 202) no Hoare annotation was computed. [2022-11-21 16:10:19,011 INFO L895 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-21 16:10:19,011 INFO L899 garLoopResultBuilder]: For program point L309-1(line 309) no Hoare annotation was computed. [2022-11-21 16:10:19,012 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 532) no Hoare annotation was computed. [2022-11-21 16:10:19,012 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 190 196) no Hoare annotation was computed. [2022-11-21 16:10:19,013 INFO L895 garLoopResultBuilder]: At program point L475(lines 470 478) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= ~pumpRunning~0 0)) (.cse5 (or (not .cse1) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1| 0))) (.cse9 (<= ~waterLevel~0 1)) (.cse13 (= 1 ~systemActive~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (<= |timeShift_getWaterLevel_#res#1| 1))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and .cse12 .cse8 .cse5 .cse9 .cse13 .cse6 .cse11)) (.cse2 (not .cse13)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse4) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 (and (<= 1 ~pumpRunning~0) .cse5 .cse6) .cse2 .cse4 .cse3) (let ((.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse2 .cse7 (and .cse8 .cse5 .cse9 .cse10 .cse11) .cse3 (and .cse12 .cse5 .cse9 .cse10 .cse11))) (or .cse1 .cse2 .cse7 .cse3))))) [2022-11-21 16:10:19,013 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-21 16:10:19,014 INFO L895 garLoopResultBuilder]: At program point L277(line 277) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-21 16:10:19,014 INFO L895 garLoopResultBuilder]: At program point L273(line 273) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-21 16:10:19,015 INFO L895 garLoopResultBuilder]: At program point L282(line 282) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2022-11-21 16:10:19,015 INFO L895 garLoopResultBuilder]: At program point L282-1(lines 263 287) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~systemActive~0))) (let ((.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse9)) (.cse7 (and .cse1 .cse4 .cse2 .cse9 .cse8)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 .cse2 .cse3) (not (<= 1 |old(~pumpRunning~0)|)) (and .cse4 .cse2 .cse3) .cse5)) (or (not (<= |old(~waterLevel~0)| 1)) .cse6 .cse0 .cse7) (or .cse6 .cse0 .cse7 (and (<= 1 ~pumpRunning~0) .cse8) .cse5)))) [2022-11-21 16:10:19,015 INFO L895 garLoopResultBuilder]: At program point L311(lines 304 314) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-21 16:10:19,015 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-21 16:10:19,016 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 410) no Hoare annotation was computed. [2022-11-21 16:10:19,016 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 182 201) no Hoare annotation was computed. [2022-11-21 16:10:19,016 INFO L895 garLoopResultBuilder]: At program point L406-2(lines 402 413) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-21 16:10:19,016 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 179 202) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse1) .cse0 .cse2))) [2022-11-21 16:10:19,017 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 179 202) no Hoare annotation was computed. [2022-11-21 16:10:19,017 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 528) no Hoare annotation was computed. [2022-11-21 16:10:19,017 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-21 16:10:19,017 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 531) no Hoare annotation was computed. [2022-11-21 16:10:19,018 INFO L895 garLoopResultBuilder]: At program point L518-1(lines 503 535) the Hoare annotation is: (let ((.cse18 (= ~methaneLevelCritical~0 0))) (let ((.cse21 (not .cse18)) (.cse22 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1| 0))) (let ((.cse20 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse19 (not .cse22)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (or .cse21 .cse22)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= 1 ~systemActive~0)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~3#1| 1)) (.cse8 (<= |timeShift_getWaterLevel_#res#1| 1))) (let ((.cse15 (and .cse11 .cse3 .cse4 .cse5 .cse6 .cse17 .cse7 .cse8)) (.cse16 (and .cse11 .cse3 .cse5 .cse6 .cse21 .cse19 .cse17)) (.cse2 (and .cse10 .cse11 .cse5 .cse6 .cse21 .cse19)) (.cse9 (and .cse3 .cse5 .cse6 .cse21 .cse19 .cse20)) (.cse14 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not .cse6)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (and .cse10 .cse11 .cse4 .cse5 .cse6 .cse7 .cse8) .cse12) (or .cse13 .cse14 .cse15 .cse16 .cse0) (or .cse14 .cse15 .cse16 (and .cse10 .cse4 .cse17) .cse0 .cse12) (or .cse18 .cse0 .cse1 .cse2 .cse9 .cse12) (or .cse14 .cse18 .cse0 .cse19 .cse12) (or .cse13 .cse0 .cse1 .cse20)))))) [2022-11-21 16:10:19,018 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 992) no Hoare annotation was computed. [2022-11-21 16:10:19,018 INFO L899 garLoopResultBuilder]: For program point L985-2(lines 985 992) no Hoare annotation was computed. [2022-11-21 16:10:19,018 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 151) no Hoare annotation was computed. [2022-11-21 16:10:19,019 INFO L895 garLoopResultBuilder]: At program point L147-2(lines 141 152) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2))) [2022-11-21 16:10:19,019 INFO L895 garLoopResultBuilder]: At program point L77(lines 73 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-21 16:10:19,019 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 137) no Hoare annotation was computed. [2022-11-21 16:10:19,020 INFO L899 garLoopResultBuilder]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2022-11-21 16:10:19,020 INFO L902 garLoopResultBuilder]: At program point L994(lines 975 997) the Hoare annotation is: true [2022-11-21 16:10:19,020 INFO L902 garLoopResultBuilder]: At program point L160(lines 101 164) the Hoare annotation is: true [2022-11-21 16:10:19,020 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 16:10:19,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 16:10:19,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 16:10:19,021 INFO L895 garLoopResultBuilder]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse0 .cse1))) [2022-11-21 16:10:19,023 INFO L895 garLoopResultBuilder]: At program point L962(lines 958 964) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-21 16:10:19,023 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 16:10:19,024 INFO L895 garLoopResultBuilder]: At program point L157(lines 110 158) the Hoare annotation is: false [2022-11-21 16:10:19,024 INFO L899 garLoopResultBuilder]: For program point L112(lines 111 156) no Hoare annotation was computed. [2022-11-21 16:10:19,024 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 152) no Hoare annotation was computed. [2022-11-21 16:10:19,024 INFO L895 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2))) [2022-11-21 16:10:19,025 INFO L895 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-21 16:10:19,025 INFO L895 garLoopResultBuilder]: At program point L154(lines 111 156) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse0 .cse1))) [2022-11-21 16:10:19,025 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 127) no Hoare annotation was computed. [2022-11-21 16:10:19,026 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2022-11-21 16:10:19,026 INFO L895 garLoopResultBuilder]: At program point L84(lines 80 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-21 16:10:19,028 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed. [2022-11-21 16:10:19,029 INFO L902 garLoopResultBuilder]: At program point L972(lines 965 974) the Hoare annotation is: true [2022-11-21 16:10:19,029 INFO L895 garLoopResultBuilder]: At program point L225(line 225) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) .cse2 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1| 0)))))) [2022-11-21 16:10:19,029 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 211 235) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2022-11-21 16:10:19,029 INFO L899 garLoopResultBuilder]: For program point L219(lines 219 227) no Hoare annotation was computed. [2022-11-21 16:10:19,030 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 232) no Hoare annotation was computed. [2022-11-21 16:10:19,030 INFO L895 garLoopResultBuilder]: At program point L488(lines 479 492) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse7 (= 1 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 1))) (let ((.cse3 (not .cse6)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse7)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse6 (not .cse5) .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse3) (or .cse0 .cse1 .cse2 (and .cse4 .cse5) (not (<= ~waterLevel~0 2)))))) [2022-11-21 16:10:19,030 INFO L895 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-21 16:10:19,030 INFO L899 garLoopResultBuilder]: For program point L230-1(lines 211 235) no Hoare annotation was computed. [2022-11-21 16:10:19,031 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 211 235) no Hoare annotation was computed. [2022-11-21 16:10:19,031 INFO L895 garLoopResultBuilder]: At program point L375(lines 360 378) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (<= ~waterLevel~0 1))) (let ((.cse3 (not .cse7)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse6)) (.cse2 (and .cse4 .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) .cse7 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) .cse6 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse3) (or .cse0 (and .cse4 .cse5 .cse6 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|)) .cse1 (not (<= ~waterLevel~0 2)) .cse2)))) [2022-11-21 16:10:19,031 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 373) no Hoare annotation was computed. [2022-11-21 16:10:19,031 INFO L899 garLoopResultBuilder]: For program point L369-2(lines 369 373) no Hoare annotation was computed. [2022-11-21 16:10:19,032 INFO L895 garLoopResultBuilder]: At program point L293(lines 288 295) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= ~waterLevel~0 2)) (and (<= 1 ~pumpRunning~0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~1#1|))) (or .cse2 .cse0 .cse1))) [2022-11-21 16:10:19,032 INFO L899 garLoopResultBuilder]: For program point L483(lines 483 489) no Hoare annotation was computed. [2022-11-21 16:10:19,032 INFO L899 garLoopResultBuilder]: For program point L418-1(lines 414 425) no Hoare annotation was computed. [2022-11-21 16:10:19,032 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 414 425) no Hoare annotation was computed. [2022-11-21 16:10:19,033 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 414 425) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1 (not (<= |old(~waterLevel~0)| 2))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2022-11-21 16:10:19,033 INFO L895 garLoopResultBuilder]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-21 16:10:19,034 INFO L899 garLoopResultBuilder]: For program point L256-1(lines 237 261) no Hoare annotation was computed. [2022-11-21 16:10:19,034 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 237 261) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2022-11-21 16:10:19,035 INFO L895 garLoopResultBuilder]: At program point L498(lines 493 501) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-21 16:10:19,036 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 237 261) no Hoare annotation was computed. [2022-11-21 16:10:19,036 INFO L895 garLoopResultBuilder]: At program point L251(line 251) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-21 16:10:19,036 INFO L895 garLoopResultBuilder]: At program point L247(line 247) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-21 16:10:19,037 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 253) no Hoare annotation was computed. [2022-11-21 16:10:19,037 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 258) no Hoare annotation was computed. [2022-11-21 16:10:19,037 INFO L895 garLoopResultBuilder]: At program point L394(lines 379 397) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-21 16:10:19,037 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 392) no Hoare annotation was computed. [2022-11-21 16:10:19,038 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 392) no Hoare annotation was computed. [2022-11-21 16:10:19,042 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:10:19,044 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:10:19,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:10:19 BoogieIcfgContainer [2022-11-21 16:10:19,121 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:10:19,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:10:19,123 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:10:19,123 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:10:19,124 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:10:02" (3/4) ... [2022-11-21 16:10:19,127 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:10:19,135 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-21 16:10:19,136 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-21 16:10:19,137 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-21 16:10:19,137 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-21 16:10:19,137 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-21 16:10:19,137 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-21 16:10:19,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-21 16:10:19,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-21 16:10:19,139 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-11-21 16:10:19,151 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-21 16:10:19,152 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 16:10:19,153 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 16:10:19,153 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:10:19,154 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:10:19,193 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-21 16:10:19,194 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2022-11-21 16:10:19,195 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0))) || (((((pumpRunning == 0 && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1)) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && waterLevel <= \old(waterLevel))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp___0 <= 1) && \result <= 1)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp___0 <= 1) && \result <= 1)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && (!(methaneLevelCritical == 0) || tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0))) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(tmp == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || waterLevel <= \old(waterLevel)) [2022-11-21 16:10:19,195 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-21 16:10:19,196 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && \result <= 1))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && (!(methaneLevelCritical == 0) || tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1))) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) [2022-11-21 16:10:19,196 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-11-21 16:10:19,197 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || !(waterLevel <= 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) [2022-11-21 16:10:19,198 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-11-21 16:10:19,198 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && !(\result == 0)) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) [2022-11-21 16:10:19,198 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) || !(waterLevel <= 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && 1 <= \result) && 1 <= tmp___0)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) [2022-11-21 16:10:19,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-21 16:10:19,203 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (((1 <= pumpRunning && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) [2022-11-21 16:10:19,266 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:10:19,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:10:19,267 INFO L158 Benchmark]: Toolchain (without parser) took 17887.95ms. Allocated memory was 182.5MB in the beginning and 274.7MB in the end (delta: 92.3MB). Free memory was 139.3MB in the beginning and 118.5MB in the end (delta: 20.8MB). Peak memory consumption was 114.5MB. Max. memory is 16.1GB. [2022-11-21 16:10:19,268 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 134.2MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:10:19,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.41ms. Allocated memory is still 182.5MB. Free memory was 139.3MB in the beginning and 120.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 16:10:19,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.41ms. Allocated memory is still 182.5MB. Free memory was 120.5MB in the beginning and 118.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:10:19,270 INFO L158 Benchmark]: Boogie Preprocessor took 37.66ms. Allocated memory is still 182.5MB. Free memory was 118.0MB in the beginning and 116.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:10:19,270 INFO L158 Benchmark]: RCFGBuilder took 679.40ms. Allocated memory is still 182.5MB. Free memory was 116.6MB in the beginning and 151.4MB in the end (delta: -34.8MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-11-21 16:10:19,271 INFO L158 Benchmark]: TraceAbstraction took 16405.66ms. Allocated memory was 182.5MB in the beginning and 274.7MB in the end (delta: 92.3MB). Free memory was 150.7MB in the beginning and 124.8MB in the end (delta: 25.9MB). Peak memory consumption was 158.7MB. Max. memory is 16.1GB. [2022-11-21 16:10:19,271 INFO L158 Benchmark]: Witness Printer took 144.45ms. Allocated memory is still 274.7MB. Free memory was 124.8MB in the beginning and 118.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 16:10:19,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 134.2MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.41ms. Allocated memory is still 182.5MB. Free memory was 139.3MB in the beginning and 120.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.41ms. Allocated memory is still 182.5MB. Free memory was 120.5MB in the beginning and 118.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.66ms. Allocated memory is still 182.5MB. Free memory was 118.0MB in the beginning and 116.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 679.40ms. Allocated memory is still 182.5MB. Free memory was 116.6MB in the beginning and 151.4MB in the end (delta: -34.8MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * TraceAbstraction took 16405.66ms. Allocated memory was 182.5MB in the beginning and 274.7MB in the end (delta: 92.3MB). Free memory was 150.7MB in the beginning and 124.8MB in the end (delta: 25.9MB). Peak memory consumption was 158.7MB. Max. memory is 16.1GB. * Witness Printer took 144.45ms. Allocated memory is still 274.7MB. Free memory was 124.8MB in the beginning and 118.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.2s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2566 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2525 mSDsluCounter, 4020 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2886 mSDsCounter, 921 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3313 IncrementalHoareTripleChecker+Invalid, 4234 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 921 mSolverCounterUnsat, 1134 mSDtfsCounter, 3313 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 450 GetRequests, 286 SyntacticMatches, 7 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1434 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=347occurred in iteration=11, InterpolantAutomatonStates: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 182 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 1364 PreInvPairs, 1631 NumberOfFragments, 1902 HoareAnnotationTreeSize, 1364 FomulaSimplifications, 216 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 47 FomulaSimplificationsInter, 22540 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 738 ConstructedInterpolants, 0 QuantifiedInterpolants, 1535 SizeOfPredicates, 4 NumberOfNonLiveVariables, 311 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 60/81 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: 80]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && \result <= 1))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && (!(methaneLevelCritical == 0) || tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1))) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (((1 <= pumpRunning && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || !(waterLevel <= 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && !(\result == 0)) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) || !(waterLevel <= 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && 1 <= \result) && 1 <= tmp___0)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: ((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0))) || (((((pumpRunning == 0 && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1)) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && waterLevel <= \old(waterLevel))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp___0 <= 1) && \result <= 1)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp___0 <= 1) && \result <= 1)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && (!(methaneLevelCritical == 0) || tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0))) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(tmp == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || waterLevel <= \old(waterLevel)) - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-21 16:10:19,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc4a2b-e33b-4141-8490-dbd596e50a9a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE