./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8 --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 12ff1c3352fe657a44d5503b0c0550124efd9c84e66a259e2d68c9ba31095791 --- 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-e04fb08 [2022-11-16 12:46:08,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:46:08,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:46:08,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:46:08,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:46:08,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:46:08,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:46:08,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:46:08,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:46:08,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:46:08,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:46:08,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:46:08,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:46:08,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:46:08,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:46:08,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:46:08,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:46:08,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:46:08,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:46:08,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:46:08,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:46:08,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:46:08,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:46:08,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:46:08,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:46:08,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:46:08,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:46:08,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:46:08,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:46:08,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:46:08,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:46:08,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:46:08,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:46:08,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:46:08,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:46:08,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:46:08,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:46:08,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:46:08,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:46:08,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:46:08,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:46:08,138 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:46:08,178 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:46:08,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:46:08,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:46:08,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:46:08,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:46:08,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:46:08,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:46:08,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:46:08,181 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:46:08,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:46:08,181 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:46:08,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:46:08,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:46:08,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:46:08,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:46:08,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:46:08,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:46:08,183 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:46:08,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:46:08,183 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:46:08,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:46:08,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:46:08,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:46:08,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:46:08,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:46:08,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:46:08,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:46:08,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:46:08,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:46:08,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:46:08,192 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:46:08,192 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:46:08,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:46:08,193 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_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12ff1c3352fe657a44d5503b0c0550124efd9c84e66a259e2d68c9ba31095791 [2022-11-16 12:46:08,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:46:08,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:46:08,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:46:08,494 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:46:08,495 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:46:08,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c [2022-11-16 12:46:08,575 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/data/5ca279282/0668ae56adec4fc39b3139c5c646f8a6/FLAG397e93d24 [2022-11-16 12:46:09,179 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:46:09,180 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c [2022-11-16 12:46:09,192 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/data/5ca279282/0668ae56adec4fc39b3139c5c646f8a6/FLAG397e93d24 [2022-11-16 12:46:09,465 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/data/5ca279282/0668ae56adec4fc39b3139c5c646f8a6 [2022-11-16 12:46:09,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:46:09,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:46:09,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:46:09,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:46:09,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:46:09,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:46:09" (1/1) ... [2022-11-16 12:46:09,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef5ee76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:09, skipping insertion in model container [2022-11-16 12:46:09,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:46:09" (1/1) ... [2022-11-16 12:46:09,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:46:09,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:46:09,881 WARN L229 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_ba513ea1-499d-49dc-a96f-49ce376c2a20/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c[18376,18389] [2022-11-16 12:46:09,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:46:09,899 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:46:09,992 WARN L229 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_ba513ea1-499d-49dc-a96f-49ce376c2a20/sv-benchmarks/c/product-lines/minepump_spec5_product61.cil.c[18376,18389] [2022-11-16 12:46:09,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:46:10,014 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:46:10,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:10 WrapperNode [2022-11-16 12:46:10,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:46:10,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:46:10,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:46:10,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:46:10,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:10" (1/1) ... [2022-11-16 12:46:10,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:10" (1/1) ... [2022-11-16 12:46:10,069 INFO L138 Inliner]: procedures = 59, calls = 163, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 294 [2022-11-16 12:46:10,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:46:10,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:46:10,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:46:10,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:46:10,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:10" (1/1) ... [2022-11-16 12:46:10,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:10" (1/1) ... [2022-11-16 12:46:10,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:10" (1/1) ... [2022-11-16 12:46:10,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:10" (1/1) ... [2022-11-16 12:46:10,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:10" (1/1) ... [2022-11-16 12:46:10,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:10" (1/1) ... [2022-11-16 12:46:10,097 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:10" (1/1) ... [2022-11-16 12:46:10,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:10" (1/1) ... [2022-11-16 12:46:10,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:46:10,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:46:10,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:46:10,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:46:10,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:10" (1/1) ... [2022-11-16 12:46:10,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:46:10,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:10,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:46:10,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:46:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:46:10,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 12:46:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 12:46:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 12:46:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 12:46:10,203 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 12:46:10,203 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 12:46:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 12:46:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 12:46:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 12:46:10,204 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 12:46:10,204 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:46:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:46:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-16 12:46:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-16 12:46:10,205 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-16 12:46:10,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-16 12:46:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 12:46:10,206 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 12:46:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:46:10,206 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 12:46:10,206 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 12:46:10,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:46:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:46:10,291 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:46:10,293 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:46:10,761 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:46:10,782 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:46:10,783 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:46:10,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:46:10 BoogieIcfgContainer [2022-11-16 12:46:10,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:46:10,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:46:10,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:46:10,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:46:10,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:46:09" (1/3) ... [2022-11-16 12:46:10,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa8131e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:46:10, skipping insertion in model container [2022-11-16 12:46:10,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:46:10" (2/3) ... [2022-11-16 12:46:10,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa8131e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:46:10, skipping insertion in model container [2022-11-16 12:46:10,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:46:10" (3/3) ... [2022-11-16 12:46:10,812 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61.cil.c [2022-11-16 12:46:10,842 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:46:10,842 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:46:10,966 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:46:10,978 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;@1a29ca25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:46:10,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:46:10,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 93 states have internal predecessors, (113), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-16 12:46:11,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 12:46:11,009 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:11,010 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:11,012 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:11,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:11,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1729313638, now seen corresponding path program 1 times [2022-11-16 12:46:11,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:11,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191906405] [2022-11-16 12:46:11,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:11,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:11,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 12:46:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:11,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:46:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:11,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 12:46:11,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:11,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191906405] [2022-11-16 12:46:11,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191906405] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:11,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:11,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:46:11,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445865316] [2022-11-16 12:46:11,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:11,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:46:11,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:11,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:46:11,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:46:11,389 INFO L87 Difference]: Start difference. First operand has 113 states, 83 states have (on average 1.3614457831325302) internal successors, (113), 93 states have internal predecessors, (113), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:46:11,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:11,479 INFO L93 Difference]: Finished difference Result 217 states and 292 transitions. [2022-11-16 12:46:11,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:46:11,481 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-16 12:46:11,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:11,505 INFO L225 Difference]: With dead ends: 217 [2022-11-16 12:46:11,513 INFO L226 Difference]: Without dead ends: 104 [2022-11-16 12:46:11,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:46:11,526 INFO L413 NwaCegarLoop]: 143 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, 143 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 [2022-11-16 12:46:11,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:46:11,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-16 12:46:11,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-16 12:46:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 76 states have (on average 1.3026315789473684) internal successors, (99), 85 states have internal predecessors, (99), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-16 12:46:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 134 transitions. [2022-11-16 12:46:11,614 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 134 transitions. Word has length 32 [2022-11-16 12:46:11,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:11,615 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 134 transitions. [2022-11-16 12:46:11,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:46:11,617 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 134 transitions. [2022-11-16 12:46:11,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 12:46:11,627 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:11,628 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:11,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:46:11,629 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:11,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:11,630 INFO L85 PathProgramCache]: Analyzing trace with hash 79270819, now seen corresponding path program 1 times [2022-11-16 12:46:11,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:11,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463253630] [2022-11-16 12:46:11,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:11,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:11,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 12:46:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:11,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 12:46:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 12:46:11,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:11,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463253630] [2022-11-16 12:46:11,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463253630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:11,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:11,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:46:11,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255117912] [2022-11-16 12:46:11,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:11,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:46:11,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:11,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:46:11,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:46:11,786 INFO L87 Difference]: Start difference. First operand 104 states and 134 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:46:11,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:11,808 INFO L93 Difference]: Finished difference Result 173 states and 223 transitions. [2022-11-16 12:46:11,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:46:11,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-16 12:46:11,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:11,810 INFO L225 Difference]: With dead ends: 173 [2022-11-16 12:46:11,810 INFO L226 Difference]: Without dead ends: 95 [2022-11-16 12:46:11,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:46:11,813 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 12 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 226 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 [2022-11-16 12:46:11,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 226 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:46:11,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-16 12:46:11,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-11-16 12:46:11,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 79 states have internal predecessors, (92), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-16 12:46:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 122 transitions. [2022-11-16 12:46:11,826 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 122 transitions. Word has length 33 [2022-11-16 12:46:11,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:11,826 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 122 transitions. [2022-11-16 12:46:11,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 12:46:11,827 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 122 transitions. [2022-11-16 12:46:11,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 12:46:11,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:11,829 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] [2022-11-16 12:46:11,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:46:11,829 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:11,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:11,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1908446694, now seen corresponding path program 1 times [2022-11-16 12:46:11,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:11,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982466089] [2022-11-16 12:46:11,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:11,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:12,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:12,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:46:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 12:46:12,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:12,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982466089] [2022-11-16 12:46:12,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982466089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:12,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:12,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:46:12,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831613504] [2022-11-16 12:46:12,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:12,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:46:12,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:12,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:46:12,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:46:12,102 INFO L87 Difference]: Start difference. First operand 95 states and 122 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:46:12,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:12,318 INFO L93 Difference]: Finished difference Result 182 states and 237 transitions. [2022-11-16 12:46:12,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:46:12,319 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-11-16 12:46:12,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:12,323 INFO L225 Difference]: With dead ends: 182 [2022-11-16 12:46:12,324 INFO L226 Difference]: Without dead ends: 95 [2022-11-16 12:46:12,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:46:12,332 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 150 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:12,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 257 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:46:12,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-11-16 12:46:12,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-11-16 12:46:12,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 70 states have (on average 1.3) internal successors, (91), 79 states have internal predecessors, (91), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-16 12:46:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 121 transitions. [2022-11-16 12:46:12,351 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 121 transitions. Word has length 37 [2022-11-16 12:46:12,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:12,354 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 121 transitions. [2022-11-16 12:46:12,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 12:46:12,355 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 121 transitions. [2022-11-16 12:46:12,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-16 12:46:12,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:12,363 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:12,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:46:12,364 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:12,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:12,366 INFO L85 PathProgramCache]: Analyzing trace with hash 366477468, now seen corresponding path program 1 times [2022-11-16 12:46:12,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:12,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170796956] [2022-11-16 12:46:12,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:12,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:12,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:12,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:46:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:12,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:46:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-16 12:46:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:12,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 12:46:12,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:12,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170796956] [2022-11-16 12:46:12,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170796956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:12,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:12,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:46:12,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568614420] [2022-11-16 12:46:12,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:12,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:46:12,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:12,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:46:12,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:46:12,527 INFO L87 Difference]: Start difference. First operand 95 states and 121 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 12:46:12,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:12,773 INFO L93 Difference]: Finished difference Result 270 states and 348 transitions. [2022-11-16 12:46:12,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:46:12,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (5), 2 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 50 [2022-11-16 12:46:12,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:12,777 INFO L225 Difference]: With dead ends: 270 [2022-11-16 12:46:12,777 INFO L226 Difference]: Without dead ends: 183 [2022-11-16 12:46:12,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:46:12,779 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 193 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:12,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 223 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:46:12,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-16 12:46:12,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 177. [2022-11-16 12:46:12,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 132 states have (on average 1.2727272727272727) internal successors, (168), 141 states have internal predecessors, (168), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33) [2022-11-16 12:46:12,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 223 transitions. [2022-11-16 12:46:12,809 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 223 transitions. Word has length 50 [2022-11-16 12:46:12,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:12,810 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 223 transitions. [2022-11-16 12:46:12,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 12:46:12,810 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 223 transitions. [2022-11-16 12:46:12,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-16 12:46:12,813 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:12,814 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:12,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:46:12,817 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:12,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:12,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1653642302, now seen corresponding path program 1 times [2022-11-16 12:46:12,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:12,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291245098] [2022-11-16 12:46:12,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:12,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:13,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:13,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:46:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:13,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:46:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:46:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:13,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:46:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:13,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 12:46:13,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:13,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291245098] [2022-11-16 12:46:13,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291245098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:13,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:13,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:46:13,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002430946] [2022-11-16 12:46:13,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:13,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:46:13,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:13,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:46:13,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:46:13,065 INFO L87 Difference]: Start difference. First operand 177 states and 223 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-16 12:46:13,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:13,446 INFO L93 Difference]: Finished difference Result 502 states and 666 transitions. [2022-11-16 12:46:13,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 12:46:13,447 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 58 [2022-11-16 12:46:13,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:13,452 INFO L225 Difference]: With dead ends: 502 [2022-11-16 12:46:13,452 INFO L226 Difference]: Without dead ends: 333 [2022-11-16 12:46:13,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-11-16 12:46:13,455 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 247 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:13,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 437 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 12:46:13,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2022-11-16 12:46:13,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 285. [2022-11-16 12:46:13,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 214 states have (on average 1.2616822429906542) internal successors, (270), 226 states have internal predecessors, (270), 36 states have call successors, (36), 29 states have call predecessors, (36), 34 states have return successors, (55), 38 states have call predecessors, (55), 36 states have call successors, (55) [2022-11-16 12:46:13,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 361 transitions. [2022-11-16 12:46:13,495 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 361 transitions. Word has length 58 [2022-11-16 12:46:13,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:13,495 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 361 transitions. [2022-11-16 12:46:13,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-16 12:46:13,496 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 361 transitions. [2022-11-16 12:46:13,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-16 12:46:13,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:13,497 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:13,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:46:13,497 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:13,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:13,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1794190912, now seen corresponding path program 1 times [2022-11-16 12:46:13,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:13,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342409713] [2022-11-16 12:46:13,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:13,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:13,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:46:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:13,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:46:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:13,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:46:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:13,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-16 12:46:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:13,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 12:46:13,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:13,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342409713] [2022-11-16 12:46:13,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342409713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:13,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:13,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:46:13,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10632361] [2022-11-16 12:46:13,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:13,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:46:13,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:13,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:46:13,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:46:13,770 INFO L87 Difference]: Start difference. First operand 285 states and 361 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:46:14,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:14,172 INFO L93 Difference]: Finished difference Result 579 states and 742 transitions. [2022-11-16 12:46:14,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 12:46:14,173 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2022-11-16 12:46:14,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:14,180 INFO L225 Difference]: With dead ends: 579 [2022-11-16 12:46:14,181 INFO L226 Difference]: Without dead ends: 302 [2022-11-16 12:46:14,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-16 12:46:14,184 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 164 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:14,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 505 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 12:46:14,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2022-11-16 12:46:14,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 282. [2022-11-16 12:46:14,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 211 states have (on average 1.2369668246445498) internal successors, (261), 223 states have internal predecessors, (261), 36 states have call successors, (36), 29 states have call predecessors, (36), 34 states have return successors, (55), 38 states have call predecessors, (55), 36 states have call successors, (55) [2022-11-16 12:46:14,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 352 transitions. [2022-11-16 12:46:14,233 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 352 transitions. Word has length 58 [2022-11-16 12:46:14,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:14,235 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 352 transitions. [2022-11-16 12:46:14,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:46:14,235 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 352 transitions. [2022-11-16 12:46:14,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-16 12:46:14,237 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:14,237 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:14,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:46:14,237 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:14,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:14,238 INFO L85 PathProgramCache]: Analyzing trace with hash 2009941831, now seen corresponding path program 1 times [2022-11-16 12:46:14,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:14,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472648247] [2022-11-16 12:46:14,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:14,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:46:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:46:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:46:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:46:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 12:46:14,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:14,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472648247] [2022-11-16 12:46:14,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472648247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:14,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:14,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:46:14,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391452691] [2022-11-16 12:46:14,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:14,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:46:14,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:14,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:46:14,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:46:14,418 INFO L87 Difference]: Start difference. First operand 282 states and 352 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:46:14,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:14,625 INFO L93 Difference]: Finished difference Result 574 states and 741 transitions. [2022-11-16 12:46:14,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:46:14,626 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (6), 2 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 64 [2022-11-16 12:46:14,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:14,628 INFO L225 Difference]: With dead ends: 574 [2022-11-16 12:46:14,629 INFO L226 Difference]: Without dead ends: 300 [2022-11-16 12:46:14,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:46:14,631 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 81 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:14,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 408 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:46:14,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2022-11-16 12:46:14,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 288. [2022-11-16 12:46:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 217 states have (on average 1.2304147465437787) internal successors, (267), 229 states have internal predecessors, (267), 36 states have call successors, (36), 29 states have call predecessors, (36), 34 states have return successors, (55), 38 states have call predecessors, (55), 36 states have call successors, (55) [2022-11-16 12:46:14,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 358 transitions. [2022-11-16 12:46:14,663 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 358 transitions. Word has length 64 [2022-11-16 12:46:14,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:14,664 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 358 transitions. [2022-11-16 12:46:14,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:46:14,664 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 358 transitions. [2022-11-16 12:46:14,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-16 12:46:14,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:14,667 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:14,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:46:14,667 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:14,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:14,668 INFO L85 PathProgramCache]: Analyzing trace with hash -898822071, now seen corresponding path program 1 times [2022-11-16 12:46:14,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:14,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95578767] [2022-11-16 12:46:14,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:14,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:46:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 12:46:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:46:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:46:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-16 12:46:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:14,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 12:46:14,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:14,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95578767] [2022-11-16 12:46:14,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95578767] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:14,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:14,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:46:14,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686954196] [2022-11-16 12:46:14,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:14,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:46:14,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:14,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:46:14,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:46:14,854 INFO L87 Difference]: Start difference. First operand 288 states and 358 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:46:15,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:15,088 INFO L93 Difference]: Finished difference Result 520 states and 660 transitions. [2022-11-16 12:46:15,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:46:15,088 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (6), 2 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 64 [2022-11-16 12:46:15,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:15,090 INFO L225 Difference]: With dead ends: 520 [2022-11-16 12:46:15,091 INFO L226 Difference]: Without dead ends: 240 [2022-11-16 12:46:15,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:46:15,092 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 115 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:15,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 457 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:46:15,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2022-11-16 12:46:15,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 235. [2022-11-16 12:46:15,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 176 states have (on average 1.2102272727272727) internal successors, (213), 186 states have internal predecessors, (213), 30 states have call successors, (30), 24 states have call predecessors, (30), 28 states have return successors, (41), 31 states have call predecessors, (41), 30 states have call successors, (41) [2022-11-16 12:46:15,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 284 transitions. [2022-11-16 12:46:15,125 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 284 transitions. Word has length 64 [2022-11-16 12:46:15,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:15,126 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 284 transitions. [2022-11-16 12:46:15,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:46:15,126 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 284 transitions. [2022-11-16 12:46:15,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-16 12:46:15,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:15,127 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:15,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:46:15,128 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:15,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:15,128 INFO L85 PathProgramCache]: Analyzing trace with hash -767563483, now seen corresponding path program 1 times [2022-11-16 12:46:15,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:15,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113303122] [2022-11-16 12:46:15,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:15,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:46:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 12:46:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-16 12:46:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:46:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:46:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 12:46:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:15,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 12:46:15,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:15,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113303122] [2022-11-16 12:46:15,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113303122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:46:15,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:46:15,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 12:46:15,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961721011] [2022-11-16 12:46:15,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:46:15,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 12:46:15,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:15,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 12:46:15,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:46:15,448 INFO L87 Difference]: Start difference. First operand 235 states and 284 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2022-11-16 12:46:16,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:16,798 INFO L93 Difference]: Finished difference Result 853 states and 1117 transitions. [2022-11-16 12:46:16,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-16 12:46:16,799 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) Word has length 68 [2022-11-16 12:46:16,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:16,803 INFO L225 Difference]: With dead ends: 853 [2022-11-16 12:46:16,803 INFO L226 Difference]: Without dead ends: 681 [2022-11-16 12:46:16,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2022-11-16 12:46:16,806 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 697 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:16,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 709 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-16 12:46:16,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2022-11-16 12:46:16,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 605. [2022-11-16 12:46:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 448 states have (on average 1.2098214285714286) internal successors, (542), 476 states have internal predecessors, (542), 82 states have call successors, (82), 62 states have call predecessors, (82), 74 states have return successors, (132), 84 states have call predecessors, (132), 82 states have call successors, (132) [2022-11-16 12:46:16,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 756 transitions. [2022-11-16 12:46:16,889 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 756 transitions. Word has length 68 [2022-11-16 12:46:16,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:16,889 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 756 transitions. [2022-11-16 12:46:16,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 8 states have internal predecessors, (53), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 5 states have call successors, (6) [2022-11-16 12:46:16,890 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 756 transitions. [2022-11-16 12:46:16,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-16 12:46:16,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:16,892 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:16,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 12:46:16,892 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:16,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:16,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1564090535, now seen corresponding path program 1 times [2022-11-16 12:46:16,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:16,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294861507] [2022-11-16 12:46:16,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:16,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:46:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 12:46:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:46:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:46:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:46:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-16 12:46:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 12:46:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 12:46:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 12:46:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:46:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 12:46:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,195 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-16 12:46:17,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:17,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294861507] [2022-11-16 12:46:17,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294861507] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:46:17,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255216026] [2022-11-16 12:46:17,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:17,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:17,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:17,203 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:46:17,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:46:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:17,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 12:46:17,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:17,609 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 30 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:46:17,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:46:17,931 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-16 12:46:17,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255216026] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:46:17,931 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:46:17,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2022-11-16 12:46:17,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122550617] [2022-11-16 12:46:17,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:46:17,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-16 12:46:17,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:17,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-16 12:46:17,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-11-16 12:46:17,934 INFO L87 Difference]: Start difference. First operand 605 states and 756 transitions. Second operand has 16 states, 16 states have (on average 8.875) internal successors, (142), 11 states have internal predecessors, (142), 5 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 5 states have call successors, (23) [2022-11-16 12:46:19,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:19,817 INFO L93 Difference]: Finished difference Result 1294 states and 1660 transitions. [2022-11-16 12:46:19,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-16 12:46:19,818 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 8.875) internal successors, (142), 11 states have internal predecessors, (142), 5 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 5 states have call successors, (23) Word has length 121 [2022-11-16 12:46:19,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:19,824 INFO L225 Difference]: With dead ends: 1294 [2022-11-16 12:46:19,824 INFO L226 Difference]: Without dead ends: 750 [2022-11-16 12:46:19,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 275 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=353, Invalid=1627, Unknown=0, NotChecked=0, Total=1980 [2022-11-16 12:46:19,828 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 554 mSDsluCounter, 1153 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 1625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:19,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 1329 Invalid, 1625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-16 12:46:19,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2022-11-16 12:46:19,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 666. [2022-11-16 12:46:19,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 488 states have (on average 1.1967213114754098) internal successors, (584), 524 states have internal predecessors, (584), 92 states have call successors, (92), 76 states have call predecessors, (92), 85 states have return successors, (124), 89 states have call predecessors, (124), 92 states have call successors, (124) [2022-11-16 12:46:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 800 transitions. [2022-11-16 12:46:19,942 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 800 transitions. Word has length 121 [2022-11-16 12:46:19,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:19,943 INFO L495 AbstractCegarLoop]: Abstraction has 666 states and 800 transitions. [2022-11-16 12:46:19,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.875) internal successors, (142), 11 states have internal predecessors, (142), 5 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (23), 7 states have call predecessors, (23), 5 states have call successors, (23) [2022-11-16 12:46:19,943 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 800 transitions. [2022-11-16 12:46:19,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-16 12:46:19,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:46:19,947 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 12:46:19,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:20,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 12:46:20,154 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:46:20,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:46:20,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1147724611, now seen corresponding path program 1 times [2022-11-16 12:46:20,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:46:20,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000425969] [2022-11-16 12:46:20,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:20,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:46:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:46:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 12:46:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 12:46:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:46:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:46:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-16 12:46:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:46:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 12:46:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 12:46:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:46:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 12:46:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:46:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:46:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 12:46:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-16 12:46:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-16 12:46:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:46:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:46:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-16 12:46:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,525 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 66 proven. 5 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-16 12:46:20,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:46:20,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000425969] [2022-11-16 12:46:20,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000425969] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:46:20,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641863256] [2022-11-16 12:46:20,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:46:20,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:46:20,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:46:20,528 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:46:20,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:46:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:46:20,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 12:46:20,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:46:21,143 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 163 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-16 12:46:21,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:46:21,859 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 77 proven. 39 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-16 12:46:21,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641863256] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:46:21,860 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 12:46:21,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25 [2022-11-16 12:46:21,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383634638] [2022-11-16 12:46:21,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 12:46:21,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-16 12:46:21,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:46:21,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-16 12:46:21,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2022-11-16 12:46:21,864 INFO L87 Difference]: Start difference. First operand 666 states and 800 transitions. Second operand has 25 states, 25 states have (on average 8.96) internal successors, (224), 21 states have internal predecessors, (224), 9 states have call successors, (41), 9 states have call predecessors, (41), 9 states have return successors, (40), 8 states have call predecessors, (40), 9 states have call successors, (40) [2022-11-16 12:46:23,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:46:23,548 INFO L93 Difference]: Finished difference Result 1381 states and 1712 transitions. [2022-11-16 12:46:23,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-16 12:46:23,548 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.96) internal successors, (224), 21 states have internal predecessors, (224), 9 states have call successors, (41), 9 states have call predecessors, (41), 9 states have return successors, (40), 8 states have call predecessors, (40), 9 states have call successors, (40) Word has length 211 [2022-11-16 12:46:23,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:46:23,550 INFO L225 Difference]: With dead ends: 1381 [2022-11-16 12:46:23,551 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:46:23,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 452 SyntacticMatches, 5 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=487, Invalid=1769, Unknown=0, NotChecked=0, Total=2256 [2022-11-16 12:46:23,558 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 743 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 1581 mSolverCounterSat, 287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 746 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 1581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:46:23,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [746 Valid, 881 Invalid, 1868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 1581 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 12:46:23,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:46:23,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:46:23,559 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) [2022-11-16 12:46:23,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:46:23,560 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 211 [2022-11-16 12:46:23,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:46:23,560 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:46:23,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.96) internal successors, (224), 21 states have internal predecessors, (224), 9 states have call successors, (41), 9 states have call predecessors, (41), 9 states have return successors, (40), 8 states have call predecessors, (40), 9 states have call successors, (40) [2022-11-16 12:46:23,561 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:46:23,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:46:23,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:46:23,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:46:23,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-16 12:46:23,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:46:30,816 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 270 277) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) [2022-11-16 12:46:30,816 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 270 277) no Hoare annotation was computed. [2022-11-16 12:46:30,816 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 270 277) no Hoare annotation was computed. [2022-11-16 12:46:30,816 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2022-11-16 12:46:30,816 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2022-11-16 12:46:30,817 INFO L895 garLoopResultBuilder]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or .cse2 (not (<= 1 |old(~pumpRunning~0)|)) .cse3 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 12:46:30,817 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2022-11-16 12:46:30,817 INFO L895 garLoopResultBuilder]: At program point L368(lines 353 371) 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)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-16 12:46:30,817 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 366) no Hoare annotation was computed. [2022-11-16 12:46:30,817 INFO L899 garLoopResultBuilder]: For program point L362-2(lines 362 366) no Hoare annotation was computed. [2022-11-16 12:46:30,818 INFO L895 garLoopResultBuilder]: At program point L472(lines 467 475) 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)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-16 12:46:30,818 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 194 218) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (= 2 ~waterLevel~0))))) [2022-11-16 12:46:30,818 INFO L895 garLoopResultBuilder]: At program point L208(line 208) 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)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-16 12:46:30,818 INFO L895 garLoopResultBuilder]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-16 12:46:30,819 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 194 218) no Hoare annotation was computed. [2022-11-16 12:46:30,819 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 210) no Hoare annotation was computed. [2022-11-16 12:46:30,819 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 215) no Hoare annotation was computed. [2022-11-16 12:46:30,819 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 289 297) no Hoare annotation was computed. [2022-11-16 12:46:30,819 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 289 297) the Hoare annotation is: true [2022-11-16 12:46:30,819 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 289 297) no Hoare annotation was computed. [2022-11-16 12:46:30,819 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 400 411) the Hoare annotation is: true [2022-11-16 12:46:30,820 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 400 411) no Hoare annotation was computed. [2022-11-16 12:46:30,820 INFO L899 garLoopResultBuilder]: For program point L404-1(lines 400 411) no Hoare annotation was computed. [2022-11-16 12:46:30,820 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 941 970) no Hoare annotation was computed. [2022-11-16 12:46:30,820 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 941 970) the Hoare annotation is: true [2022-11-16 12:46:30,820 INFO L899 garLoopResultBuilder]: For program point L955(lines 955 959) no Hoare annotation was computed. [2022-11-16 12:46:30,820 INFO L902 garLoopResultBuilder]: At program point L955-1(lines 955 959) the Hoare annotation is: true [2022-11-16 12:46:30,822 INFO L899 garLoopResultBuilder]: For program point L952(line 952) no Hoare annotation was computed. [2022-11-16 12:46:30,823 INFO L902 garLoopResultBuilder]: At program point L951-2(lines 951 965) the Hoare annotation is: true [2022-11-16 12:46:30,823 INFO L902 garLoopResultBuilder]: At program point L947(line 947) the Hoare annotation is: true [2022-11-16 12:46:30,823 INFO L899 garLoopResultBuilder]: For program point L947-1(line 947) no Hoare annotation was computed. [2022-11-16 12:46:30,823 INFO L902 garLoopResultBuilder]: At program point L966(lines 941 970) the Hoare annotation is: true [2022-11-16 12:46:30,823 INFO L899 garLoopResultBuilder]: For program point L962(line 962) no Hoare annotation was computed. [2022-11-16 12:46:30,823 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 147 153) no Hoare annotation was computed. [2022-11-16 12:46:30,824 INFO L895 garLoopResultBuilder]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-11-16 12:46:30,824 INFO L895 garLoopResultBuilder]: At program point L936(lines 931 938) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse2))) [2022-11-16 12:46:30,824 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 133 159) no Hoare annotation was computed. [2022-11-16 12:46:30,824 INFO L895 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-11-16 12:46:30,825 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-11-16 12:46:30,825 INFO L899 garLoopResultBuilder]: For program point L226-1(line 226) no Hoare annotation was computed. [2022-11-16 12:46:30,825 INFO L895 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (let ((.cse16 (<= 1 ~pumpRunning~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse13 (<= ~waterLevel~0 1)) (.cse17 (= 1 ~systemActive~0)) (.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse5 (and .cse11 .cse0 .cse13 .cse17 .cse18 .cse3)) (.cse7 (and .cse16 .cse8 .cse11 .cse13 .cse17 .cse18 .cse3)) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not .cse17)) (.cse1 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (and .cse0 .cse1 .cse2 .cse3) .cse4 .cse5 .cse6 .cse7 (and .cse8 .cse1 .cse2 .cse3) .cse9 .cse10) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5 .cse6 .cse7 .cse10) (let ((.cse12 (= ~waterLevel~0 1))) (or .cse4 .cse6 (not (< 1 |old(~waterLevel~0)|)) (and .cse8 .cse11 .cse12 .cse3) (and .cse11 .cse0 .cse12 .cse3) .cse9)) (let ((.cse14 (= 2 ~waterLevel~0)) (.cse15 (= 2 |timeShift_getWaterLevel_#res#1|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse4 (and .cse0 .cse1 .cse13 .cse2) (and .cse0 .cse14 .cse15 .cse2) .cse9 (and .cse16 .cse14 .cse15 .cse2)))))) [2022-11-16 12:46:30,826 INFO L895 garLoopResultBuilder]: At program point L858(line 858) the Hoare annotation is: (let ((.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) (and .cse5 .cse0 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 (and .cse5 .cse0 .cse1) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-16 12:46:30,826 INFO L899 garLoopResultBuilder]: For program point L858-1(line 858) no Hoare annotation was computed. [2022-11-16 12:46:30,826 INFO L895 garLoopResultBuilder]: At program point L239(line 239) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse2 (not (< 1 |old(~waterLevel~0)|)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-16 12:46:30,826 INFO L895 garLoopResultBuilder]: At program point L239-1(lines 220 244) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (<= ~waterLevel~0 1)) (.cse11 (= 1 ~systemActive~0)) (.cse13 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse10 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (and .cse4 .cse9 .cse12 .cse11 .cse13 .cse10)) (.cse7 (and .cse0 .cse12 .cse11 .cse13 .cse10)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse11)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1) .cse2 .cse3 (and .cse4 (= 2 ~waterLevel~0) .cse1)) (or .cse2 .cse5 (not (= |old(~waterLevel~0)| 2)) .cse6 .cse7) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse5 .cse6 .cse7 .cse8) (or (and .cse9 .cse1 .cse10) .cse2 .cse5 .cse6 .cse7 (and .cse0 .cse1 .cse10) .cse3 .cse8) (or .cse2 .cse5 (not (< 1 |old(~waterLevel~0)|)) (= ~waterLevel~0 1) .cse3)))) [2022-11-16 12:46:30,826 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2022-11-16 12:46:30,827 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 885) no Hoare annotation was computed. [2022-11-16 12:46:30,827 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 136 158) no Hoare annotation was computed. [2022-11-16 12:46:30,827 INFO L899 garLoopResultBuilder]: For program point L871(lines 871 888) no Hoare annotation was computed. [2022-11-16 12:46:30,827 INFO L895 garLoopResultBuilder]: At program point L871-1(lines 863 891) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse18 (<= 1 ~pumpRunning~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse19 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| ~waterLevel~0)) (.cse20 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse21 (<= ~waterLevel~0 1)) (.cse8 (= 1 ~systemActive~0)) (.cse22 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse10 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse15 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse7 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1|))) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (and .cse18 .cse11 .cse19 .cse20 .cse21 .cse8 .cse22 .cse10)) (.cse1 (and .cse19 .cse20 .cse5 .cse21 .cse8 .cse22 .cse10)) (.cse3 (not .cse8)) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse16 (not (< 1 |old(~waterLevel~0)|))) (.cse17 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse11 .cse6 .cse7 .cse8 .cse9 .cse10) .cse12) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse12) (let ((.cse13 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| 2)) (.cse14 (= 2 |timeShift_getWaterLevel_#res#1|))) (or (and .cse11 .cse5 .cse13 .cse14 .cse8 .cse9) .cse15 .cse3 .cse16 .cse17 (and .cse18 .cse13 .cse14 .cse9))) (or .cse2 .cse15 .cse3 (and .cse11 .cse5 .cse6 .cse7 .cse8 .cse9)) (or .cse0 .cse1 .cse3 .cse4 (not (= |old(~waterLevel~0)| 2))) (or .cse3 .cse4 .cse16 (= ~waterLevel~0 1) .cse17)))) [2022-11-16 12:46:30,828 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 384) no Hoare annotation was computed. [2022-11-16 12:46:30,828 INFO L895 garLoopResultBuilder]: At program point L380-2(lines 376 387) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) .cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not .cse7)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse0 (= ~waterLevel~0 1) .cse1) .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse6) (or (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse5)))) [2022-11-16 12:46:30,828 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 882) no Hoare annotation was computed. [2022-11-16 12:46:30,828 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 236) no Hoare annotation was computed. [2022-11-16 12:46:30,828 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 241) no Hoare annotation was computed. [2022-11-16 12:46:30,828 INFO L895 garLoopResultBuilder]: At program point L860(lines 853 862) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= |old(~waterLevel~0)| 2))) (or .cse3 .cse1 .cse4 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-16 12:46:30,829 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 133 159) the Hoare annotation is: (let ((.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (or .cse2 .cse4 (not (< 1 |old(~waterLevel~0)|)) (and .cse5 .cse0 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 (and .cse5 .cse0 .cse1) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-16 12:46:30,829 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 133 159) no Hoare annotation was computed. [2022-11-16 12:46:30,829 INFO L895 garLoopResultBuilder]: At program point L873(line 873) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| ~waterLevel~0)) (.cse15 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse18 (<= ~waterLevel~0 1)) (.cse17 (= 1 ~systemActive~0)) (.cse19 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (< |timeShift_getWaterLevel_#res#1| 2)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (and .cse14 .cse15 .cse2 .cse18 .cse17 .cse19 .cse6)) (.cse1 (and .cse9 .cse14 .cse15 .cse18 .cse19 .cse6)) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse7 (not .cse17)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse13 (not (< 1 |old(~waterLevel~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse4 (not (<= 2 |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1|)))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 (and .cse9 .cse3 .cse4 .cse5 .cse6) .cse10 .cse11)) (or (not (<= |old(~waterLevel~0)| 1)) .cse12 .cse7 (and .cse2 .cse3 .cse5 (< |timeShift___utac_acc__Specification5_spec__3_~tmp~10#1| 2))) (or .cse12 .cse7 .cse13 .cse10) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse7 .cse8 .cse11) (let ((.cse16 (= ~waterLevel~0 1))) (or .cse7 .cse8 .cse13 (and .cse14 .cse15 .cse2 .cse16 .cse6) .cse10 (and .cse9 .cse14 .cse15 .cse16 .cse6)))))) [2022-11-16 12:46:30,829 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2022-11-16 12:46:30,830 INFO L899 garLoopResultBuilder]: For program point L873-1(line 873) no Hoare annotation was computed. [2022-11-16 12:46:30,830 INFO L899 garLoopResultBuilder]: For program point L935(line 935) no Hoare annotation was computed. [2022-11-16 12:46:30,830 INFO L902 garLoopResultBuilder]: At program point L1010(lines 1002 1012) the Hoare annotation is: true [2022-11-16 12:46:30,830 INFO L895 garLoopResultBuilder]: At program point L911(lines 907 913) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 12:46:30,830 INFO L895 garLoopResultBuilder]: At program point L110(lines 63 111) the Hoare annotation is: false [2022-11-16 12:46:30,830 INFO L899 garLoopResultBuilder]: For program point L65(lines 64 109) no Hoare annotation was computed. [2022-11-16 12:46:30,831 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:46:30,831 INFO L899 garLoopResultBuilder]: For program point L1023(lines 1023 1030) no Hoare annotation was computed. [2022-11-16 12:46:30,831 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 105) no Hoare annotation was computed. [2022-11-16 12:46:30,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:46:30,831 INFO L899 garLoopResultBuilder]: For program point L1023-2(lines 1023 1030) no Hoare annotation was computed. [2022-11-16 12:46:30,831 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:46:30,832 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~11#1| ~systemActive~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse1 (< 1 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-11-16 12:46:30,832 INFO L895 garLoopResultBuilder]: At program point L850(lines 845 852) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~11#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 12:46:30,832 INFO L895 garLoopResultBuilder]: At program point L107(lines 64 109) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~11#1| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-11-16 12:46:30,832 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed. [2022-11-16 12:46:30,832 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2022-11-16 12:46:30,832 INFO L902 garLoopResultBuilder]: At program point L1032(lines 1013 1035) the Hoare annotation is: true [2022-11-16 12:46:30,833 INFO L895 garLoopResultBuilder]: At program point L999(lines 995 1001) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~11#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 12:46:30,833 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-16 12:46:30,833 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:46:30,833 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2022-11-16 12:46:30,833 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 94 105) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~11#1| ~systemActive~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse1 (< 1 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-11-16 12:46:30,833 INFO L895 garLoopResultBuilder]: At program point L926(lines 921 929) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 12:46:30,834 INFO L895 garLoopResultBuilder]: At program point L918(lines 914 920) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 12:46:30,834 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2022-11-16 12:46:30,834 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2022-11-16 12:46:30,834 INFO L902 garLoopResultBuilder]: At program point L113(lines 54 117) the Hoare annotation is: true [2022-11-16 12:46:30,834 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~11#1| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5))) [2022-11-16 12:46:30,834 INFO L899 garLoopResultBuilder]: For program point L258-1(line 258) no Hoare annotation was computed. [2022-11-16 12:46:30,835 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 168 192) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (= 2 ~waterLevel~0))))) [2022-11-16 12:46:30,835 INFO L895 garLoopResultBuilder]: At program point L349(lines 334 352) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 (= 2 ~waterLevel~0)) (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (not (<= ~waterLevel~0 2)))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 12:46:30,835 INFO L895 garLoopResultBuilder]: At program point L250(lines 245 252) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 1)))) (and (or (<= 1 ~pumpRunning~0) .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 .cse2))) [2022-11-16 12:46:30,835 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 347) no Hoare annotation was computed. [2022-11-16 12:46:30,835 INFO L895 garLoopResultBuilder]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1|))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 12:46:30,836 INFO L899 garLoopResultBuilder]: For program point L343-2(lines 343 347) no Hoare annotation was computed. [2022-11-16 12:46:30,836 INFO L899 garLoopResultBuilder]: For program point L176(lines 176 184) no Hoare annotation was computed. [2022-11-16 12:46:30,836 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 189) no Hoare annotation was computed. [2022-11-16 12:46:30,836 INFO L899 garLoopResultBuilder]: For program point L457(lines 457 463) no Hoare annotation was computed. [2022-11-16 12:46:30,836 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 168 192) no Hoare annotation was computed. [2022-11-16 12:46:30,836 INFO L895 garLoopResultBuilder]: At program point L187(line 187) 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)) (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-16 12:46:30,837 INFO L899 garLoopResultBuilder]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2022-11-16 12:46:30,837 INFO L895 garLoopResultBuilder]: At program point L462(lines 453 466) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (let ((.cse1 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2)) (and .cse1 (= 2 ~waterLevel~0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse1 .cse2))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse2) (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 12:46:30,837 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 266) no Hoare annotation was computed. [2022-11-16 12:46:30,837 INFO L895 garLoopResultBuilder]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (= 2 ~waterLevel~0))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 .cse2))) [2022-11-16 12:46:30,837 INFO L895 garLoopResultBuilder]: At program point L260-2(lines 253 269) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse2 .cse0 .cse1) (or (<= 1 ~pumpRunning~0) .cse2 (= ~pumpRunning~0 0) .cse0 (not (= 2 ~waterLevel~0))))) [2022-11-16 12:46:30,838 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 388 399) no Hoare annotation was computed. [2022-11-16 12:46:30,838 INFO L899 garLoopResultBuilder]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2022-11-16 12:46:30,838 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 388 399) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3) (or .cse5 .cse4 .cse0 .cse3) (or .cse5 .cse0 .cse1 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 12:46:30,838 INFO L902 garLoopResultBuilder]: At program point L417(lines 412 420) the Hoare annotation is: true [2022-11-16 12:46:30,838 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 278 288) the Hoare annotation is: true [2022-11-16 12:46:30,838 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 278 288) no Hoare annotation was computed. [2022-11-16 12:46:30,839 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 278 288) no Hoare annotation was computed. [2022-11-16 12:46:30,842 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:46:30,844 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:46:30,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:46:30 BoogieIcfgContainer [2022-11-16 12:46:30,875 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:46:30,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:46:30,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:46:30,876 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:46:30,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:46:10" (3/4) ... [2022-11-16 12:46:30,880 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:46:30,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 12:46:30,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 12:46:30,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 12:46:30,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 12:46:30,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 12:46:30,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 12:46:30,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 12:46:30,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:46:30,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-16 12:46:30,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-16 12:46:30,894 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2022-11-16 12:46:30,894 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 12:46:30,895 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 12:46:30,895 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 12:46:30,896 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:46:30,896 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:46:30,897 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:46:30,919 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 12:46:30,919 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 12:46:30,920 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 12:46:30,920 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && waterLevel <= 1) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) || (((((1 <= pumpRunning && 2 == waterLevel) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0)) || (((((pumpRunning == 0 && 2 == waterLevel) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0)) || (((((pumpRunning == 0 && waterLevel <= 1) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) [2022-11-16 12:46:30,921 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-16 12:46:30,921 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-16 12:46:30,921 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp <= waterLevel) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || ((((((tmp <= waterLevel && \result <= waterLevel) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((pumpRunning == 0 && \result < 2) && !(2 <= tmp)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((pumpRunning == \old(pumpRunning) && \result < 2) && !(2 <= tmp)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp <= waterLevel) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || ((((((tmp <= waterLevel && \result <= waterLevel) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == 2) && 2 == \result) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && tmp == 2) && 2 == \result) && \old(waterLevel) == waterLevel))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result < 2) && !(2 <= tmp)) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && (((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp <= waterLevel) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || ((((((tmp <= waterLevel && \result <= waterLevel) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-11-16 12:46:30,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-11-16 12:46:30,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-16 12:46:30,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || (((\result <= waterLevel && pumpRunning == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) [2022-11-16 12:46:30,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-11-16 12:46:30,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1))) && ((((1 <= pumpRunning || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(1 == systemActive)) || !(2 == waterLevel)) [2022-11-16 12:46:30,923 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || ((pumpRunning == 0 && 2 == waterLevel) && \result == 0)) || ((1 <= \result && pumpRunning == 0) && waterLevel <= 1)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-11-16 12:46:30,924 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(2 == waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) [2022-11-16 12:46:30,924 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-11-16 12:46:30,924 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && 2 == waterLevel)) || ((((1 <= \result && pumpRunning == 0) && tmp___0 == 0) && 1 <= tmp) && \result == 0)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) [2022-11-16 12:46:30,955 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:46:30,956 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:46:30,956 INFO L158 Benchmark]: Toolchain (without parser) took 21487.15ms. Allocated memory was 100.7MB in the beginning and 220.2MB in the end (delta: 119.5MB). Free memory was 55.5MB in the beginning and 116.7MB in the end (delta: -61.2MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2022-11-16 12:46:30,957 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 100.7MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:46:30,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.47ms. Allocated memory is still 100.7MB. Free memory was 55.3MB in the beginning and 67.6MB in the end (delta: -12.3MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-11-16 12:46:30,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.51ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 65.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:46:30,958 INFO L158 Benchmark]: Boogie Preprocessor took 30.95ms. Allocated memory is still 100.7MB. Free memory was 65.0MB in the beginning and 63.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:46:30,958 INFO L158 Benchmark]: RCFGBuilder took 689.17ms. Allocated memory is still 100.7MB. Free memory was 63.1MB in the beginning and 42.6MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 12:46:30,959 INFO L158 Benchmark]: TraceAbstraction took 20082.81ms. Allocated memory was 100.7MB in the beginning and 220.2MB in the end (delta: 119.5MB). Free memory was 41.9MB in the beginning and 123.0MB in the end (delta: -81.1MB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. [2022-11-16 12:46:30,959 INFO L158 Benchmark]: Witness Printer took 79.58ms. Allocated memory is still 220.2MB. Free memory was 123.0MB in the beginning and 116.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 12:46:30,961 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 100.7MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 544.47ms. Allocated memory is still 100.7MB. Free memory was 55.3MB in the beginning and 67.6MB in the end (delta: -12.3MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.51ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 65.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.95ms. Allocated memory is still 100.7MB. Free memory was 65.0MB in the beginning and 63.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 689.17ms. Allocated memory is still 100.7MB. Free memory was 63.1MB in the beginning and 42.6MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 20082.81ms. Allocated memory was 100.7MB in the beginning and 220.2MB in the end (delta: 119.5MB). Free memory was 41.9MB in the beginning and 123.0MB in the end (delta: -81.1MB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. * Witness Printer took 79.58ms. Allocated memory is still 220.2MB. Free memory was 123.0MB in the beginning and 116.7MB 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: 935]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.9s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3004 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2956 mSDsluCounter, 5575 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4300 mSDsCounter, 1058 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4914 IncrementalHoareTripleChecker+Invalid, 5972 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1058 mSolverCounterUnsat, 1275 mSDtfsCounter, 4914 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1008 GetRequests, 826 SyntacticMatches, 10 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1276 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=666occurred in iteration=10, InterpolantAutomatonStates: 150, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 251 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 1802 PreInvPairs, 2059 NumberOfFragments, 3008 HoareAnnotationTreeSize, 1802 FomulaSimplifications, 2019 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 52 FomulaSimplificationsInter, 18242 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1128 NumberOfCodeBlocks, 1128 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1445 ConstructedInterpolants, 0 QuantifiedInterpolants, 2775 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1304 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 745/825 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: ((((((((((((pumpRunning == 0 && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == \old(pumpRunning) && \result < 2) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || (((((\result <= waterLevel && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && \result <= waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || (((\result <= waterLevel && pumpRunning == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && \result < 2) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && 2 == waterLevel) && 2 == \result) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || ((pumpRunning == 0 && 2 == waterLevel) && \result == 0)) || ((1 <= \result && pumpRunning == 0) && waterLevel <= 1)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(2 == waterLevel)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 995]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1013]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: ((((((((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp <= waterLevel) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || ((((((tmp <= waterLevel && \result <= waterLevel) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((pumpRunning == 0 && \result < 2) && !(2 <= tmp)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((pumpRunning == \old(pumpRunning) && \result < 2) && !(2 <= tmp)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp <= waterLevel) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || ((((((tmp <= waterLevel && \result <= waterLevel) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == 2) && 2 == \result) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 < \old(waterLevel))) || !(\old(waterLevel) <= 2)) || (((1 <= pumpRunning && tmp == 2) && 2 == \result) && \old(waterLevel) == waterLevel))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result < 2) && !(2 <= tmp)) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && (((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && tmp <= waterLevel) && \result <= waterLevel) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || ((((((tmp <= waterLevel && \result <= waterLevel) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 < \old(waterLevel))) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && waterLevel <= 1) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) || (((((1 <= pumpRunning && 2 == waterLevel) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0)) || (((((pumpRunning == 0 && 2 == waterLevel) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0)) || (((((pumpRunning == 0 && waterLevel <= 1) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1))) && ((((1 <= pumpRunning || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(1 == systemActive)) || !(2 == waterLevel)) - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && 2 == waterLevel)) || ((((1 <= \result && pumpRunning == 0) && tmp___0 == 0) && 1 <= tmp) && \result == 0)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) || !(1 <= switchedOnBeforeTS)) RESULT: Ultimate proved your program to be correct! [2022-11-16 12:46:31,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba513ea1-499d-49dc-a96f-49ce376c2a20/bin/uautomizer-tPACEb0tL8/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