./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d13ffd2557e7d7902d8a5eac414f9fb7393252d85c14855e86000741be6847f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:24:17,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:24:17,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:24:17,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:24:17,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:24:17,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:24:17,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:24:17,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:24:17,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:24:17,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:24:17,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:24:17,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:24:17,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:24:17,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:24:17,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:24:17,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:24:17,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:24:17,159 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:24:17,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:24:17,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:24:17,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:24:17,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:24:17,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:24:17,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:24:17,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:24:17,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:24:17,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:24:17,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:24:17,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:24:17,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:24:17,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:24:17,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:24:17,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:24:17,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:24:17,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:24:17,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:24:17,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:24:17,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:24:17,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:24:17,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:24:17,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:24:17,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 11:24:17,241 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:24:17,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:24:17,253 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:24:17,253 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:24:17,254 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:24:17,255 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:24:17,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:24:17,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:24:17,256 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:24:17,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:24:17,257 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:24:17,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:24:17,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:24:17,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:24:17,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:24:17,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:24:17,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:24:17,258 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:24:17,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:24:17,259 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:24:17,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:24:17,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:24:17,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:24:17,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:24:17,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:24:17,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:24:17,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:24:17,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:24:17,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:24:17,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:24:17,262 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:24:17,262 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:24:17,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:24:17,262 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_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d13ffd2557e7d7902d8a5eac414f9fb7393252d85c14855e86000741be6847f [2022-11-20 11:24:17,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:24:17,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:24:17,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:24:17,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:24:17,601 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:24:17,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c [2022-11-20 11:24:20,624 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:24:20,898 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:24:20,902 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c [2022-11-20 11:24:20,919 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/data/a7270028f/589599892a7f44d6b4448bf71a01dfae/FLAG9b2f7db3b [2022-11-20 11:24:20,932 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/data/a7270028f/589599892a7f44d6b4448bf71a01dfae [2022-11-20 11:24:20,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:24:20,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:24:20,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:24:20,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:24:20,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:24:20,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:24:20" (1/1) ... [2022-11-20 11:24:20,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37c3d891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:20, skipping insertion in model container [2022-11-20 11:24:20,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:24:20" (1/1) ... [2022-11-20 11:24:20,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:24:20,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:24:21,178 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c[1605,1618] [2022-11-20 11:24:21,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:24:21,372 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:24:21,390 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c[1605,1618] [2022-11-20 11:24:21,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:24:21,475 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:24:21,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:21 WrapperNode [2022-11-20 11:24:21,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:24:21,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:24:21,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:24:21,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:24:21,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:21" (1/1) ... [2022-11-20 11:24:21,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:21" (1/1) ... [2022-11-20 11:24:21,524 INFO L138 Inliner]: procedures = 58, calls = 106, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 227 [2022-11-20 11:24:21,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:24:21,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:24:21,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:24:21,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:24:21,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:21" (1/1) ... [2022-11-20 11:24:21,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:21" (1/1) ... [2022-11-20 11:24:21,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:21" (1/1) ... [2022-11-20 11:24:21,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:21" (1/1) ... [2022-11-20 11:24:21,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:21" (1/1) ... [2022-11-20 11:24:21,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:21" (1/1) ... [2022-11-20 11:24:21,549 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:21" (1/1) ... [2022-11-20 11:24:21,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:21" (1/1) ... [2022-11-20 11:24:21,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:24:21,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:24:21,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:24:21,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:24:21,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:21" (1/1) ... [2022-11-20 11:24:21,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:24:21,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:24:21,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:24:21,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:24:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:24:21,649 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 11:24:21,649 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 11:24:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 11:24:21,650 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 11:24:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 11:24:21,650 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 11:24:21,650 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-20 11:24:21,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-20 11:24:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 11:24:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 11:24:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 11:24:21,652 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 11:24:21,652 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-20 11:24:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-20 11:24:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-20 11:24:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-20 11:24:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-20 11:24:21,653 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-20 11:24:21,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:24:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 11:24:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 11:24:21,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:24:21,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:24:21,773 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:24:21,776 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:24:22,106 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:24:22,114 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:24:22,114 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 11:24:22,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:24:22 BoogieIcfgContainer [2022-11-20 11:24:22,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:24:22,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:24:22,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:24:22,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:24:22,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:24:20" (1/3) ... [2022-11-20 11:24:22,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5571bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:24:22, skipping insertion in model container [2022-11-20 11:24:22,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:24:21" (2/3) ... [2022-11-20 11:24:22,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5571bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:24:22, skipping insertion in model container [2022-11-20 11:24:22,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:24:22" (3/3) ... [2022-11-20 11:24:22,127 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product62.cil.c [2022-11-20 11:24:22,147 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:24:22,147 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:24:22,201 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:24:22,208 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;@23871484, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:24:22,208 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:24:22,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 91 states have internal predecessors, (111), 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) [2022-11-20 11:24:22,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 11:24:22,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:24:22,225 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:24:22,226 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:24:22,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:24:22,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1444919738, now seen corresponding path program 1 times [2022-11-20 11:24:22,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:24:22,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904103743] [2022-11-20 11:24:22,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:22,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:24:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:22,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:24:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:24:22,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:24:22,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904103743] [2022-11-20 11:24:22,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904103743] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:24:22,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:24:22,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:24:22,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402614323] [2022-11-20 11:24:22,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:24:22,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 11:24:22,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:24:22,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 11:24:22,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:24:22,557 INFO L87 Difference]: Start difference. First operand has 111 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 91 states have internal predecessors, (111), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:24:22,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:24:22,618 INFO L93 Difference]: Finished difference Result 214 states and 289 transitions. [2022-11-20 11:24:22,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 11:24:22,620 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-20 11:24:22,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:24:22,630 INFO L225 Difference]: With dead ends: 214 [2022-11-20 11:24:22,630 INFO L226 Difference]: Without dead ends: 102 [2022-11-20 11:24:22,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:24:22,640 INFO L413 NwaCegarLoop]: 141 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, 141 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:24:22,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:24:22,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-11-20 11:24:22,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2022-11-20 11:24:22,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 74 states have (on average 1.3108108108108107) internal successors, (97), 83 states have internal predecessors, (97), 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) [2022-11-20 11:24:22,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 132 transitions. [2022-11-20 11:24:22,691 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 132 transitions. Word has length 25 [2022-11-20 11:24:22,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:24:22,692 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 132 transitions. [2022-11-20 11:24:22,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:24:22,692 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 132 transitions. [2022-11-20 11:24:22,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 11:24:22,695 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:24:22,695 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:24:22,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:24:22,695 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:24:22,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:24:22,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1097025375, now seen corresponding path program 1 times [2022-11-20 11:24:22,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:24:22,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608573970] [2022-11-20 11:24:22,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:22,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:24:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:22,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 11:24:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:24:22,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:24:22,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608573970] [2022-11-20 11:24:22,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608573970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:24:22,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:24:22,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:24:22,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900961173] [2022-11-20 11:24:22,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:24:22,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:24:22,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:24:22,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:24:22,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:24:22,878 INFO L87 Difference]: Start difference. First operand 102 states and 132 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:24:22,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:24:22,901 INFO L93 Difference]: Finished difference Result 169 states and 219 transitions. [2022-11-20 11:24:22,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:24:22,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-20 11:24:22,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:24:22,904 INFO L225 Difference]: With dead ends: 169 [2022-11-20 11:24:22,904 INFO L226 Difference]: Without dead ends: 93 [2022-11-20 11:24:22,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:24:22,906 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 13 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:24:22,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 221 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:24:22,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-20 11:24:22,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-11-20 11:24:22,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 77 states have internal predecessors, (90), 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) [2022-11-20 11:24:22,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 120 transitions. [2022-11-20 11:24:22,920 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 120 transitions. Word has length 26 [2022-11-20 11:24:22,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:24:22,921 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 120 transitions. [2022-11-20 11:24:22,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:24:22,921 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2022-11-20 11:24:22,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 11:24:22,923 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:24:22,923 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:24:22,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:24:22,923 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:24:22,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:24:22,924 INFO L85 PathProgramCache]: Analyzing trace with hash 2131311946, now seen corresponding path program 1 times [2022-11-20 11:24:22,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:24:22,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763167585] [2022-11-20 11:24:22,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:22,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:24:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:23,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:24:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:24:23,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:24:23,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763167585] [2022-11-20 11:24:23,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763167585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:24:23,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:24:23,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:24:23,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680187534] [2022-11-20 11:24:23,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:24:23,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:24:23,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:24:23,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:24:23,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:24:23,139 INFO L87 Difference]: Start difference. First operand 93 states and 120 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:24:23,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:24:23,230 INFO L93 Difference]: Finished difference Result 179 states and 234 transitions. [2022-11-20 11:24:23,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:24:23,231 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-11-20 11:24:23,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:24:23,233 INFO L225 Difference]: With dead ends: 179 [2022-11-20 11:24:23,233 INFO L226 Difference]: Without dead ends: 93 [2022-11-20 11:24:23,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:24:23,235 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 145 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:24:23,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 307 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:24:23,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-20 11:24:23,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-11-20 11:24:23,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 77 states have internal predecessors, (89), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-20 11:24:23,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 119 transitions. [2022-11-20 11:24:23,271 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 119 transitions. Word has length 31 [2022-11-20 11:24:23,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:24:23,272 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 119 transitions. [2022-11-20 11:24:23,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:24:23,275 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 119 transitions. [2022-11-20 11:24:23,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 11:24:23,277 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:24:23,277 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:24:23,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:24:23,277 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:24:23,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:24:23,278 INFO L85 PathProgramCache]: Analyzing trace with hash 394218810, now seen corresponding path program 1 times [2022-11-20 11:24:23,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:24:23,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550962873] [2022-11-20 11:24:23,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:23,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:24:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:23,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:24:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:23,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:24:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:23,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:24:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:23,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 11:24:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:23,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:24:23,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:24:23,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550962873] [2022-11-20 11:24:23,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550962873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:24:23,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:24:23,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:24:23,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673581182] [2022-11-20 11:24:23,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:24:23,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:24:23,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:24:23,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:24:23,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:24:23,529 INFO L87 Difference]: Start difference. First operand 93 states and 119 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-20 11:24:23,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:24:23,937 INFO L93 Difference]: Finished difference Result 271 states and 345 transitions. [2022-11-20 11:24:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:24:23,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2022-11-20 11:24:23,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:24:23,940 INFO L225 Difference]: With dead ends: 271 [2022-11-20 11:24:23,940 INFO L226 Difference]: Without dead ends: 185 [2022-11-20 11:24:23,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:24:23,943 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 232 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:24:23,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 326 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 11:24:23,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-11-20 11:24:23,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 179. [2022-11-20 11:24:23,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 133 states have (on average 1.2481203007518797) internal successors, (166), 142 states have internal predecessors, (166), 22 states have call successors, (22), 18 states have call predecessors, (22), 23 states have return successors, (29), 24 states have call predecessors, (29), 22 states have call successors, (29) [2022-11-20 11:24:23,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 217 transitions. [2022-11-20 11:24:23,983 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 217 transitions. Word has length 46 [2022-11-20 11:24:23,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:24:23,983 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 217 transitions. [2022-11-20 11:24:23,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-20 11:24:23,984 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 217 transitions. [2022-11-20 11:24:23,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-20 11:24:23,985 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:24:23,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:24:23,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:24:23,986 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:24:23,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:24:23,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1565999890, now seen corresponding path program 1 times [2022-11-20 11:24:23,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:24:23,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301925102] [2022-11-20 11:24:23,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:23,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:24:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:24,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:24:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:24,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:24:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:24,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:24:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:24:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:24,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:24:24,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:24:24,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301925102] [2022-11-20 11:24:24,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301925102] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:24:24,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:24:24,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:24:24,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798141503] [2022-11-20 11:24:24,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:24:24,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:24:24,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:24:24,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:24:24,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:24:24,210 INFO L87 Difference]: Start difference. First operand 179 states and 217 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 11:24:24,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:24:24,520 INFO L93 Difference]: Finished difference Result 458 states and 576 transitions. [2022-11-20 11:24:24,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:24:24,521 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2022-11-20 11:24:24,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:24:24,528 INFO L225 Difference]: With dead ends: 458 [2022-11-20 11:24:24,528 INFO L226 Difference]: Without dead ends: 286 [2022-11-20 11:24:24,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-20 11:24:24,540 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 161 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:24:24,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 419 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 11:24:24,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-11-20 11:24:24,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 278. [2022-11-20 11:24:24,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 207 states have (on average 1.2367149758454106) internal successors, (256), 219 states have internal predecessors, (256), 35 states have call successors, (35), 30 states have call predecessors, (35), 35 states have return successors, (48), 37 states have call predecessors, (48), 35 states have call successors, (48) [2022-11-20 11:24:24,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 339 transitions. [2022-11-20 11:24:24,602 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 339 transitions. Word has length 52 [2022-11-20 11:24:24,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:24:24,604 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 339 transitions. [2022-11-20 11:24:24,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 11:24:24,604 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 339 transitions. [2022-11-20 11:24:24,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 11:24:24,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:24:24,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:24:24,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:24:24,609 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:24:24,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:24:24,609 INFO L85 PathProgramCache]: Analyzing trace with hash 862642872, now seen corresponding path program 1 times [2022-11-20 11:24:24,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:24:24,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274923765] [2022-11-20 11:24:24,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:24,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:24:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:24,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:24:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:24,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 11:24:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:24,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:24:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:24:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:24,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 11:24:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:24,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:24:24,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:24:24,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274923765] [2022-11-20 11:24:24,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274923765] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:24:24,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:24:24,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:24:24,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200728278] [2022-11-20 11:24:24,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:24:24,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:24:24,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:24:24,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:24:24,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:24:24,778 INFO L87 Difference]: Start difference. First operand 278 states and 339 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 11:24:25,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:24:25,522 INFO L93 Difference]: Finished difference Result 670 states and 856 transitions. [2022-11-20 11:24:25,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 11:24:25,522 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2022-11-20 11:24:25,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:24:25,527 INFO L225 Difference]: With dead ends: 670 [2022-11-20 11:24:25,528 INFO L226 Difference]: Without dead ends: 498 [2022-11-20 11:24:25,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-11-20 11:24:25,530 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 368 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:24:25,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 333 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 11:24:25,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2022-11-20 11:24:25,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 464. [2022-11-20 11:24:25,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 343 states have (on average 1.215743440233236) internal successors, (417), 365 states have internal predecessors, (417), 60 states have call successors, (60), 46 states have call predecessors, (60), 60 states have return successors, (95), 64 states have call predecessors, (95), 60 states have call successors, (95) [2022-11-20 11:24:25,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 572 transitions. [2022-11-20 11:24:25,596 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 572 transitions. Word has length 56 [2022-11-20 11:24:25,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:24:25,596 INFO L495 AbstractCegarLoop]: Abstraction has 464 states and 572 transitions. [2022-11-20 11:24:25,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 11:24:25,597 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 572 transitions. [2022-11-20 11:24:25,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 11:24:25,599 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:24:25,600 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:24:25,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 11:24:25,600 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:24:25,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:24:25,601 INFO L85 PathProgramCache]: Analyzing trace with hash 924682486, now seen corresponding path program 1 times [2022-11-20 11:24:25,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:24:25,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372711967] [2022-11-20 11:24:25,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:25,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:24:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:25,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:24:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:25,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 11:24:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:25,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:24:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:25,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:24:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:25,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 11:24:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:25,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:24:25,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:24:25,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372711967] [2022-11-20 11:24:25,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372711967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:24:25,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:24:25,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:24:25,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803497636] [2022-11-20 11:24:25,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:24:25,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:24:25,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:24:25,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:24:25,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:24:25,738 INFO L87 Difference]: Start difference. First operand 464 states and 572 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 11:24:26,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:24:26,152 INFO L93 Difference]: Finished difference Result 860 states and 1070 transitions. [2022-11-20 11:24:26,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 11:24:26,153 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2022-11-20 11:24:26,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:24:26,161 INFO L225 Difference]: With dead ends: 860 [2022-11-20 11:24:26,162 INFO L226 Difference]: Without dead ends: 498 [2022-11-20 11:24:26,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:24:26,166 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 186 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:24:26,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 286 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 11:24:26,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2022-11-20 11:24:26,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 464. [2022-11-20 11:24:26,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 343 states have (on average 1.2128279883381925) internal successors, (416), 365 states have internal predecessors, (416), 60 states have call successors, (60), 46 states have call predecessors, (60), 60 states have return successors, (95), 64 states have call predecessors, (95), 60 states have call successors, (95) [2022-11-20 11:24:26,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 571 transitions. [2022-11-20 11:24:26,234 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 571 transitions. Word has length 56 [2022-11-20 11:24:26,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:24:26,234 INFO L495 AbstractCegarLoop]: Abstraction has 464 states and 571 transitions. [2022-11-20 11:24:26,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 11:24:26,235 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 571 transitions. [2022-11-20 11:24:26,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 11:24:26,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:24:26,237 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:24:26,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 11:24:26,237 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:24:26,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:24:26,237 INFO L85 PathProgramCache]: Analyzing trace with hash 790668980, now seen corresponding path program 1 times [2022-11-20 11:24:26,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:24:26,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694195195] [2022-11-20 11:24:26,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:26,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:24:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:26,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:24:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:26,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 11:24:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:26,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:24:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:26,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:24:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:26,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 11:24:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:26,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:24:26,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:24:26,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694195195] [2022-11-20 11:24:26,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694195195] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:24:26,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:24:26,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 11:24:26,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23329979] [2022-11-20 11:24:26,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:24:26,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 11:24:26,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:24:26,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 11:24:26,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:24:26,443 INFO L87 Difference]: Start difference. First operand 464 states and 571 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 11:24:26,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:24:26,933 INFO L93 Difference]: Finished difference Result 950 states and 1185 transitions. [2022-11-20 11:24:26,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 11:24:26,934 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2022-11-20 11:24:26,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:24:26,937 INFO L225 Difference]: With dead ends: 950 [2022-11-20 11:24:26,937 INFO L226 Difference]: Without dead ends: 493 [2022-11-20 11:24:26,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2022-11-20 11:24:26,943 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 223 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:24:26,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 432 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 11:24:26,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2022-11-20 11:24:26,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 467. [2022-11-20 11:24:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 348 states have (on average 1.206896551724138) internal successors, (420), 369 states have internal predecessors, (420), 59 states have call successors, (59), 45 states have call predecessors, (59), 59 states have return successors, (94), 63 states have call predecessors, (94), 59 states have call successors, (94) [2022-11-20 11:24:27,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 573 transitions. [2022-11-20 11:24:27,003 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 573 transitions. Word has length 56 [2022-11-20 11:24:27,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:24:27,004 INFO L495 AbstractCegarLoop]: Abstraction has 467 states and 573 transitions. [2022-11-20 11:24:27,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 11:24:27,004 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 573 transitions. [2022-11-20 11:24:27,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 11:24:27,006 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:24:27,006 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:24:27,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 11:24:27,007 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:24:27,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:24:27,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1116274415, now seen corresponding path program 1 times [2022-11-20 11:24:27,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:24:27,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753740985] [2022-11-20 11:24:27,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:27,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:24:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:27,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:24:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:27,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 11:24:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:27,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:24:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:24:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:27,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:24:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:27,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 11:24:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:27,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 11:24:27,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:24:27,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753740985] [2022-11-20 11:24:27,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753740985] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:24:27,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973816478] [2022-11-20 11:24:27,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:27,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:24:27,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:24:27,411 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:24:27,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 11:24:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:27,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-20 11:24:27,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:24:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:24:27,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:24:27,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973816478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:24:27,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:24:27,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2022-11-20 11:24:27,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096702626] [2022-11-20 11:24:27,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:24:27,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:24:27,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:24:27,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:24:27,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-11-20 11:24:27,956 INFO L87 Difference]: Start difference. First operand 467 states and 573 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 11:24:28,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:24:28,202 INFO L93 Difference]: Finished difference Result 1368 states and 1709 transitions. [2022-11-20 11:24:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 11:24:28,212 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2022-11-20 11:24:28,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:24:28,218 INFO L225 Difference]: With dead ends: 1368 [2022-11-20 11:24:28,218 INFO L226 Difference]: Without dead ends: 908 [2022-11-20 11:24:28,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 68 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2022-11-20 11:24:28,222 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 74 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:24:28,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 733 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:24:28,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2022-11-20 11:24:28,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 906. [2022-11-20 11:24:28,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 673 states have (on average 1.1961367013372957) internal successors, (805), 711 states have internal predecessors, (805), 117 states have call successors, (117), 90 states have call predecessors, (117), 115 states have return successors, (189), 123 states have call predecessors, (189), 117 states have call successors, (189) [2022-11-20 11:24:28,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1111 transitions. [2022-11-20 11:24:28,331 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1111 transitions. Word has length 65 [2022-11-20 11:24:28,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:24:28,331 INFO L495 AbstractCegarLoop]: Abstraction has 906 states and 1111 transitions. [2022-11-20 11:24:28,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 11:24:28,332 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1111 transitions. [2022-11-20 11:24:28,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-20 11:24:28,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:24:28,334 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] [2022-11-20 11:24:28,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:24:28,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:24:28,540 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:24:28,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:24:28,541 INFO L85 PathProgramCache]: Analyzing trace with hash -930662327, now seen corresponding path program 1 times [2022-11-20 11:24:28,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:24:28,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333743612] [2022-11-20 11:24:28,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:28,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:24:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:28,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:24:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:28,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 11:24:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:28,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:24:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:28,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:24:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:28,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:24:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:28,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 11:24:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:28,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 11:24:28,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:24:28,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333743612] [2022-11-20 11:24:28,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333743612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:24:28,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:24:28,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-20 11:24:28,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128369312] [2022-11-20 11:24:28,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:24:28,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 11:24:28,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:24:28,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 11:24:28,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:24:28,747 INFO L87 Difference]: Start difference. First operand 906 states and 1111 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 11:24:29,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:24:29,419 INFO L93 Difference]: Finished difference Result 1828 states and 2237 transitions. [2022-11-20 11:24:29,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 11:24:29,419 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2022-11-20 11:24:29,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:24:29,424 INFO L225 Difference]: With dead ends: 1828 [2022-11-20 11:24:29,424 INFO L226 Difference]: Without dead ends: 929 [2022-11-20 11:24:29,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2022-11-20 11:24:29,428 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 355 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:24:29,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 618 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 11:24:29,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2022-11-20 11:24:29,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 906. [2022-11-20 11:24:29,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 673 states have (on average 1.1812778603268945) internal successors, (795), 711 states have internal predecessors, (795), 117 states have call successors, (117), 90 states have call predecessors, (117), 115 states have return successors, (174), 123 states have call predecessors, (174), 117 states have call successors, (174) [2022-11-20 11:24:29,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1086 transitions. [2022-11-20 11:24:29,518 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1086 transitions. Word has length 66 [2022-11-20 11:24:29,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:24:29,519 INFO L495 AbstractCegarLoop]: Abstraction has 906 states and 1086 transitions. [2022-11-20 11:24:29,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 11:24:29,520 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1086 transitions. [2022-11-20 11:24:29,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 11:24:29,522 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:24:29,523 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, 1] [2022-11-20 11:24:29,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 11:24:29,523 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:24:29,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:24:29,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1947456301, now seen corresponding path program 1 times [2022-11-20 11:24:29,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:24:29,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441385152] [2022-11-20 11:24:29,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:29,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:24:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:29,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:24:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:29,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:24:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:29,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-20 11:24:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:29,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:24:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:29,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:24:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:29,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:24:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:29,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-20 11:24:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:29,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 11:24:29,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:24:29,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441385152] [2022-11-20 11:24:29,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441385152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:24:29,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:24:29,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 11:24:29,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862675494] [2022-11-20 11:24:29,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:24:29,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 11:24:29,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:24:29,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 11:24:29,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:24:29,736 INFO L87 Difference]: Start difference. First operand 906 states and 1086 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 11:24:31,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:24:31,152 INFO L93 Difference]: Finished difference Result 1806 states and 2184 transitions. [2022-11-20 11:24:31,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-20 11:24:31,153 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 69 [2022-11-20 11:24:31,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:24:31,158 INFO L225 Difference]: With dead ends: 1806 [2022-11-20 11:24:31,158 INFO L226 Difference]: Without dead ends: 907 [2022-11-20 11:24:31,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=262, Invalid=1070, Unknown=0, NotChecked=0, Total=1332 [2022-11-20 11:24:31,162 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 426 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 1621 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 1869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 1621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 11:24:31,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 293 Invalid, 1869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [248 Valid, 1621 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 11:24:31,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2022-11-20 11:24:31,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 874. [2022-11-20 11:24:31,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 641 states have (on average 1.1528861154446177) internal successors, (739), 679 states have internal predecessors, (739), 117 states have call successors, (117), 90 states have call predecessors, (117), 115 states have return successors, (168), 123 states have call predecessors, (168), 117 states have call successors, (168) [2022-11-20 11:24:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1024 transitions. [2022-11-20 11:24:31,258 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1024 transitions. Word has length 69 [2022-11-20 11:24:31,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:24:31,258 INFO L495 AbstractCegarLoop]: Abstraction has 874 states and 1024 transitions. [2022-11-20 11:24:31,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 11:24:31,259 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1024 transitions. [2022-11-20 11:24:31,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-20 11:24:31,268 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:24:31,269 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:24:31,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 11:24:31,269 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:24:31,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:24:31,270 INFO L85 PathProgramCache]: Analyzing trace with hash 20560600, now seen corresponding path program 1 times [2022-11-20 11:24:31,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:24:31,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984590312] [2022-11-20 11:24:31,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:31,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:24:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:31,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:24:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:31,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:24:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:31,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:24:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:31,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:24:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:31,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:24:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:31,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:24:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:31,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:24:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:31,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 11:24:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:31,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:24:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 11:24:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:31,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-20 11:24:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:31,877 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 11:24:31,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:24:31,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984590312] [2022-11-20 11:24:31,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984590312] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:24:31,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498017349] [2022-11-20 11:24:31,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:24:31,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:24:31,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:24:31,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:24:31,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 11:24:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:24:31,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-20 11:24:32,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:24:32,168 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 11:24:32,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:24:32,482 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-20 11:24:32,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498017349] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:24:32,483 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:24:32,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8, 9] total 23 [2022-11-20 11:24:32,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311273021] [2022-11-20 11:24:32,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:24:32,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-20 11:24:32,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:24:32,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-20 11:24:32,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2022-11-20 11:24:32,485 INFO L87 Difference]: Start difference. First operand 874 states and 1024 transitions. Second operand has 23 states, 23 states have (on average 5.3478260869565215) internal successors, (123), 16 states have internal predecessors, (123), 7 states have call successors, (25), 9 states have call predecessors, (25), 11 states have return successors, (25), 9 states have call predecessors, (25), 7 states have call successors, (25) [2022-11-20 11:24:35,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:24:35,556 INFO L93 Difference]: Finished difference Result 1808 states and 2190 transitions. [2022-11-20 11:24:35,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-11-20 11:24:35,557 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 5.3478260869565215) internal successors, (123), 16 states have internal predecessors, (123), 7 states have call successors, (25), 9 states have call predecessors, (25), 11 states have return successors, (25), 9 states have call predecessors, (25), 7 states have call successors, (25) Word has length 107 [2022-11-20 11:24:35,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:24:35,558 INFO L225 Difference]: With dead ends: 1808 [2022-11-20 11:24:35,558 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 11:24:35,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 236 SyntacticMatches, 10 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2534 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1811, Invalid=6561, Unknown=0, NotChecked=0, Total=8372 [2022-11-20 11:24:35,566 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 1299 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 2028 mSolverCounterSat, 616 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 2644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 616 IncrementalHoareTripleChecker+Valid, 2028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:24:35,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 704 Invalid, 2644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [616 Valid, 2028 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-20 11:24:35,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 11:24:35,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 11:24:35,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:24:35,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 11:24:35,567 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 107 [2022-11-20 11:24:35,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:24:35,568 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:24:35,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.3478260869565215) internal successors, (123), 16 states have internal predecessors, (123), 7 states have call successors, (25), 9 states have call predecessors, (25), 11 states have return successors, (25), 9 states have call predecessors, (25), 7 states have call successors, (25) [2022-11-20 11:24:35,568 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:24:35,568 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 11:24:35,571 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:24:35,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:24:35,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-20 11:24:35,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 11:24:43,484 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 751 758) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (= 0 ~systemActive~0)) [2022-11-20 11:24:43,484 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 751 758) no Hoare annotation was computed. [2022-11-20 11:24:43,485 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 751 758) no Hoare annotation was computed. [2022-11-20 11:24:43,485 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 641 647) no Hoare annotation was computed. [2022-11-20 11:24:43,485 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 641 647) the Hoare annotation is: true [2022-11-20 11:24:43,485 INFO L895 garLoopResultBuilder]: At program point L566(lines 561 569) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1))) [2022-11-20 11:24:43,486 INFO L895 garLoopResultBuilder]: At program point L694(line 694) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse0 .cse1))) [2022-11-20 11:24:43,486 INFO L899 garLoopResultBuilder]: For program point L694-1(lines 675 699) no Hoare annotation was computed. [2022-11-20 11:24:43,486 INFO L895 garLoopResultBuilder]: At program point L849(lines 834 852) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1))) [2022-11-20 11:24:43,486 INFO L899 garLoopResultBuilder]: For program point L843(lines 843 847) no Hoare annotation was computed. [2022-11-20 11:24:43,487 INFO L899 garLoopResultBuilder]: For program point L843-2(lines 843 847) no Hoare annotation was computed. [2022-11-20 11:24:43,487 INFO L895 garLoopResultBuilder]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1))) [2022-11-20 11:24:43,487 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 675 699) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse0 .cse1))) [2022-11-20 11:24:43,487 INFO L895 garLoopResultBuilder]: At program point L685(line 685) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1))) [2022-11-20 11:24:43,488 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 675 699) no Hoare annotation was computed. [2022-11-20 11:24:43,488 INFO L899 garLoopResultBuilder]: For program point L683(lines 683 691) no Hoare annotation was computed. [2022-11-20 11:24:43,488 INFO L899 garLoopResultBuilder]: For program point L679(lines 679 696) no Hoare annotation was computed. [2022-11-20 11:24:43,488 INFO L899 garLoopResultBuilder]: For program point L498-1(lines 494 505) no Hoare annotation was computed. [2022-11-20 11:24:43,488 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 494 505) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 0 |old(~methaneLevelCritical~0)|))) (.cse3 (= 0 ~systemActive~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3))) [2022-11-20 11:24:43,489 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 494 505) no Hoare annotation was computed. [2022-11-20 11:24:43,489 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 931 960) no Hoare annotation was computed. [2022-11-20 11:24:43,489 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 931 960) the Hoare annotation is: true [2022-11-20 11:24:43,489 INFO L902 garLoopResultBuilder]: At program point L956(lines 931 960) the Hoare annotation is: true [2022-11-20 11:24:43,489 INFO L899 garLoopResultBuilder]: For program point L952(line 952) no Hoare annotation was computed. [2022-11-20 11:24:43,489 INFO L899 garLoopResultBuilder]: For program point L945(lines 945 949) no Hoare annotation was computed. [2022-11-20 11:24:43,490 INFO L902 garLoopResultBuilder]: At program point L945-1(lines 945 949) the Hoare annotation is: true [2022-11-20 11:24:43,490 INFO L899 garLoopResultBuilder]: For program point L942(line 942) no Hoare annotation was computed. [2022-11-20 11:24:43,490 INFO L902 garLoopResultBuilder]: At program point L941-2(lines 941 955) the Hoare annotation is: true [2022-11-20 11:24:43,490 INFO L902 garLoopResultBuilder]: At program point L937(line 937) the Hoare annotation is: true [2022-11-20 11:24:43,490 INFO L899 garLoopResultBuilder]: For program point L937-1(line 937) no Hoare annotation was computed. [2022-11-20 11:24:43,491 INFO L895 garLoopResultBuilder]: At program point L543(lines 538 546) the Hoare annotation is: (let ((.cse8 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0)) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 .cse3 .cse2 .cse4) (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse6 .cse7 .cse8) .cse9 .cse1 .cse2 .cse4 (and .cse10 .cse5 .cse6 .cse7 .cse8))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse8) (let ((.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and (<= 1 ~pumpRunning~0) .cse6 .cse11) (and .cse10 .cse5 .cse6 .cse11) .cse1 .cse2 .cse4)) (or .cse9 .cse3 .cse2 .cse4))) [2022-11-20 11:24:43,491 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 87) no Hoare annotation was computed. [2022-11-20 11:24:43,491 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 90) no Hoare annotation was computed. [2022-11-20 11:24:43,492 INFO L895 garLoopResultBuilder]: At program point L77-1(lines 62 94) the Hoare annotation is: (let ((.cse1 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0))) (let ((.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1| 1)) (.cse11 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse3 (not (<= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 0 ~methaneLevelCritical~0))) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (not (<= 1 |old(~pumpRunning~0)|))) (.cse15 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse16 (not .cse1)) (.cse7 (= 0 ~systemActive~0)) (.cse8 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (<= 1 ~pumpRunning~0) .cse1 .cse2) .cse3 (and .cse4 .cse5 .cse1 .cse2) .cse6 .cse7 .cse8) (or (and .cse4 .cse5 .cse9 .cse1 .cse10 .cse11) (and .cse12 .cse5 .cse9 .cse1 .cse10 .cse11) .cse13 .cse3 .cse6 .cse7 .cse8) (or .cse14 .cse13 .cse15 .cse10 .cse7) (or .cse0 .cse15 (and .cse4 .cse2 .cse16) .cse7 .cse8) (or .cse14 .cse0 (and .cse9 .cse11) .cse3 .cse6 .cse7) (or (and .cse12 .cse5 .cse16) .cse13 .cse15 (and .cse4 .cse5 .cse16) .cse7 .cse8)))) [2022-11-20 11:24:43,492 INFO L895 garLoopResultBuilder]: At program point L775(lines 770 778) the Hoare annotation is: (let ((.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 (and (<= 1 ~pumpRunning~0) (not (= |timeShift_isPumpRunning_#res#1| 0)) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse3 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse3 .cse1 .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse3 .cse1))) [2022-11-20 11:24:43,492 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 617 640) no Hoare annotation was computed. [2022-11-20 11:24:43,492 INFO L899 garLoopResultBuilder]: For program point L709(lines 709 717) no Hoare annotation was computed. [2022-11-20 11:24:43,493 INFO L895 garLoopResultBuilder]: At program point L69(line 69) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (let ((.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse6) (not (<= 1 |old(~pumpRunning~0)|)) (and .cse1 .cse5 .cse6) .cse7 .cse3 .cse4)) (or (and .cse1 .cse5 .cse2) .cse0 (not (<= ~methaneLevelCritical~0 0)) .cse7 (and (<= 1 ~pumpRunning~0) .cse2) .cse3 .cse4))) [2022-11-20 11:24:43,493 INFO L899 garLoopResultBuilder]: For program point L69-1(line 69) no Hoare annotation was computed. [2022-11-20 11:24:43,493 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 722) no Hoare annotation was computed. [2022-11-20 11:24:43,493 INFO L899 garLoopResultBuilder]: For program point L474(lines 474 478) no Hoare annotation was computed. [2022-11-20 11:24:43,494 INFO L895 garLoopResultBuilder]: At program point L474-2(lines 470 481) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2))) [2022-11-20 11:24:43,494 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-20 11:24:43,494 INFO L899 garLoopResultBuilder]: For program point L628-1(lines 628 634) no Hoare annotation was computed. [2022-11-20 11:24:43,494 INFO L895 garLoopResultBuilder]: At program point L715(line 715) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2))) [2022-11-20 11:24:43,494 INFO L895 garLoopResultBuilder]: At program point L711(line 711) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2))) [2022-11-20 11:24:43,495 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 91) no Hoare annotation was computed. [2022-11-20 11:24:43,495 INFO L895 garLoopResultBuilder]: At program point L707(line 707) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2))) [2022-11-20 11:24:43,495 INFO L899 garLoopResultBuilder]: For program point L707-1(line 707) no Hoare annotation was computed. [2022-11-20 11:24:43,495 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 .cse2))) [2022-11-20 11:24:43,496 INFO L895 garLoopResultBuilder]: At program point L720(line 720) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2))) [2022-11-20 11:24:43,496 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 617 640) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 .cse2 .cse3))) [2022-11-20 11:24:43,496 INFO L895 garLoopResultBuilder]: At program point L720-1(lines 701 725) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (let ((.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse6) (not (<= 1 |old(~pumpRunning~0)|)) (and .cse1 .cse5 .cse6) .cse7 .cse3 .cse4)) (or (and .cse1 .cse5 .cse2) .cse0 (not (<= ~methaneLevelCritical~0 0)) .cse7 (and (<= 1 ~pumpRunning~0) .cse2) .cse3 .cse4))) [2022-11-20 11:24:43,496 INFO L899 garLoopResultBuilder]: For program point L621-1(lines 620 639) no Hoare annotation was computed. [2022-11-20 11:24:43,497 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 617 640) no Hoare annotation was computed. [2022-11-20 11:24:43,497 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-20 11:24:43,497 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 506 514) the Hoare annotation is: true [2022-11-20 11:24:43,497 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 506 514) no Hoare annotation was computed. [2022-11-20 11:24:43,497 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 506 514) no Hoare annotation was computed. [2022-11-20 11:24:43,498 INFO L895 garLoopResultBuilder]: At program point L989(lines 985 991) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~11#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-20 11:24:43,498 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 915) no Hoare annotation was computed. [2022-11-20 11:24:43,498 INFO L895 garLoopResultBuilder]: At program point L589(lines 585 591) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-20 11:24:43,498 INFO L895 garLoopResultBuilder]: At program point L911-2(lines 903 916) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~11#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-11-20 11:24:43,499 INFO L899 garLoopResultBuilder]: For program point L874(lines 873 920) no Hoare annotation was computed. [2022-11-20 11:24:43,499 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 916) no Hoare annotation was computed. [2022-11-20 11:24:43,499 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 11:24:43,499 INFO L895 garLoopResultBuilder]: At program point L895(line 895) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~11#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-11-20 11:24:43,499 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 11:24:43,500 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 11:24:43,500 INFO L902 garLoopResultBuilder]: At program point L924(lines 863 928) the Hoare annotation is: true [2022-11-20 11:24:43,500 INFO L895 garLoopResultBuilder]: At program point L858(lines 853 860) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~11#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-11-20 11:24:43,500 INFO L899 garLoopResultBuilder]: For program point L883(lines 883 889) no Hoare annotation was computed. [2022-11-20 11:24:43,500 INFO L899 garLoopResultBuilder]: For program point L883-1(lines 883 889) no Hoare annotation was computed. [2022-11-20 11:24:43,501 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 879) no Hoare annotation was computed. [2022-11-20 11:24:43,501 INFO L902 garLoopResultBuilder]: At program point L999(lines 992 1001) the Hoare annotation is: true [2022-11-20 11:24:43,501 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 11:24:43,501 INFO L895 garLoopResultBuilder]: At program point L921(lines 872 922) the Hoare annotation is: false [2022-11-20 11:24:43,501 INFO L899 garLoopResultBuilder]: For program point L1012(lines 1012 1019) no Hoare annotation was computed. [2022-11-20 11:24:43,501 INFO L899 garLoopResultBuilder]: For program point L1012-2(lines 1012 1019) no Hoare annotation was computed. [2022-11-20 11:24:43,502 INFO L899 garLoopResultBuilder]: For program point L893(lines 893 899) no Hoare annotation was computed. [2022-11-20 11:24:43,502 INFO L902 garLoopResultBuilder]: At program point L1021(lines 1002 1024) the Hoare annotation is: true [2022-11-20 11:24:43,502 INFO L895 garLoopResultBuilder]: At program point L604(lines 599 607) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-20 11:24:43,502 INFO L899 garLoopResultBuilder]: For program point L893-1(lines 893 899) no Hoare annotation was computed. [2022-11-20 11:24:43,502 INFO L895 garLoopResultBuilder]: At program point L918(lines 873 920) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~11#1| 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse8 (<= ~waterLevel~0 2)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse5 .cse8 .cse6) (and .cse7 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse2 .cse3 .cse5 .cse8 .cse6))) [2022-11-20 11:24:43,503 INFO L895 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (<= ~waterLevel~0 1)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~11#1| 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse8 (<= ~waterLevel~0 2)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse5 .cse8 .cse6) (and .cse7 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse9 .cse2 .cse3 .cse5 .cse8 .cse6))) [2022-11-20 11:24:43,503 INFO L895 garLoopResultBuilder]: At program point L596(lines 592 598) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-20 11:24:43,503 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 649 673) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse0 .cse1))) [2022-11-20 11:24:43,503 INFO L895 garLoopResultBuilder]: At program point L830(lines 815 833) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 1))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not .cse1) .cse2) (let ((.cse3 (= ~pumpRunning~0 0))) (or (and .cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0 .cse2 (and .cse3 .cse1))))) [2022-11-20 11:24:43,504 INFO L895 garLoopResultBuilder]: At program point L731(lines 726 733) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not .cse1) .cse2) (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~7#1|))) (or (and .cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0) .cse4 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~4#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) .cse5 (and .cse3 .cse1 .cse4) .cse6 .cse0 .cse2)) (or .cse5 (not (<= 1 ~methaneLevelCritical~0)) .cse6 .cse2))) [2022-11-20 11:24:43,504 INFO L899 garLoopResultBuilder]: For program point L824(lines 824 828) no Hoare annotation was computed. [2022-11-20 11:24:43,504 INFO L895 garLoopResultBuilder]: At program point L663(line 663) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 1))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not .cse1) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0 .cse2 (and (= ~pumpRunning~0 0) .cse1)))) [2022-11-20 11:24:43,504 INFO L899 garLoopResultBuilder]: For program point L824-2(lines 824 828) no Hoare annotation was computed. [2022-11-20 11:24:43,505 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 665) no Hoare annotation was computed. [2022-11-20 11:24:43,505 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 670) no Hoare annotation was computed. [2022-11-20 11:24:43,505 INFO L895 garLoopResultBuilder]: At program point L556(lines 547 560) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 1))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not .cse1) .cse2) (let ((.cse3 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (not (<= ~waterLevel~0 2)) .cse0 .cse2 (and .cse3 .cse1))))) [2022-11-20 11:24:43,505 INFO L895 garLoopResultBuilder]: At program point L668(line 668) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0 .cse1))) [2022-11-20 11:24:43,505 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 649 673) no Hoare annotation was computed. [2022-11-20 11:24:43,506 INFO L899 garLoopResultBuilder]: For program point L668-1(lines 649 673) no Hoare annotation was computed. [2022-11-20 11:24:43,506 INFO L899 garLoopResultBuilder]: For program point L551(lines 551 557) no Hoare annotation was computed. [2022-11-20 11:24:43,506 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 747) no Hoare annotation was computed. [2022-11-20 11:24:43,506 INFO L895 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 1))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not .cse1) .cse2) (let ((.cse3 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0 (and .cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~4#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) .cse2 (and .cse3 .cse1))))) [2022-11-20 11:24:43,507 INFO L895 garLoopResultBuilder]: At program point L741-2(lines 734 750) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (<= ~waterLevel~0 1)) (.cse12 (not (<= ~waterLevel~0 2))) (.cse2 (= 0 ~systemActive~0)) (.cse4 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0)) (.cse6 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|)) (.cse7 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|)) (.cse8 (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~4#1|)) (.cse9 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse11 (<= ~methaneLevelCritical~0 0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not .cse1) .cse2) (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~7#1|))) (or (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) .cse10 (and .cse3 .cse1 .cse5) (not .cse11) .cse12 .cse0 .cse2)) (let ((.cse13 (= ~pumpRunning~0 0)) (.cse14 (or (not (= 0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~7#1|)) (and (< 0 (+ ~methaneLevelCritical~0 1)) .cse11)))) (or .cse10 (and .cse13 .cse1 .cse14) (not (<= 1 ~methaneLevelCritical~0)) .cse12 .cse2 (and .cse13 .cse4 .cse6 .cse7 .cse14 .cse8 .cse9))))) [2022-11-20 11:24:43,507 INFO L899 garLoopResultBuilder]: For program point L739-1(line 739) no Hoare annotation was computed. [2022-11-20 11:24:43,507 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 482 493) no Hoare annotation was computed. [2022-11-20 11:24:43,507 INFO L899 garLoopResultBuilder]: For program point L486-1(lines 482 493) no Hoare annotation was computed. [2022-11-20 11:24:43,507 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 482 493) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse7 (not (<= 0 ~methaneLevelCritical~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3 .cse4 .cse6) (or .cse0 .cse5 .cse7 .cse3 .cse4) (or .cse2 (not (<= ~methaneLevelCritical~0 0)) .cse7 .cse3 .cse4 .cse6))) [2022-11-20 11:24:43,508 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 759 769) the Hoare annotation is: true [2022-11-20 11:24:43,508 INFO L902 garLoopResultBuilder]: At program point L764(line 764) the Hoare annotation is: true [2022-11-20 11:24:43,508 INFO L899 garLoopResultBuilder]: For program point L764-1(line 764) no Hoare annotation was computed. [2022-11-20 11:24:43,508 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 759 769) no Hoare annotation was computed. [2022-11-20 11:24:43,508 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 759 769) no Hoare annotation was computed. [2022-11-20 11:24:43,511 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:24:43,514 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:24:43,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:24:43 BoogieIcfgContainer [2022-11-20 11:24:43,541 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:24:43,541 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:24:43,541 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:24:43,542 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:24:43,542 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:24:22" (3/4) ... [2022-11-20 11:24:43,545 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:24:43,551 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-20 11:24:43,552 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 11:24:43,552 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 11:24:43,552 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 11:24:43,552 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 11:24:43,552 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-20 11:24:43,553 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 11:24:43,553 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 11:24:43,553 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-20 11:24:43,553 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-20 11:24:43,560 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 11:24:43,560 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 11:24:43,561 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 11:24:43,561 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:24:43,562 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:24:43,586 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-20 11:24:43,586 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-20 11:24:43,586 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && !(0 == systemActive)) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((1 <= pumpRunning && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) [2022-11-20 11:24:43,587 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-20 11:24:43,588 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-20 11:24:43,588 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) || ((((((1 <= pumpRunning && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) [2022-11-20 11:24:43,589 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical <= 0)) || (((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((((((((pumpRunning == 0 && waterLevel <= 1) && tmp___0 <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1) || (((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp___0 <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || waterLevel <= \old(waterLevel)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(tmp == 0))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (tmp___0 <= 1 && \result <= 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && !(tmp == 0)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && waterLevel <= 1) && !(tmp == 0))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-20 11:24:43,589 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || \result == 1) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || \result <= 1)) && (((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-20 11:24:43,590 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= \old(pumpRunning)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) && ((((((((((((1 <= pumpRunning && tmp == 0) && methaneLevelCritical == tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp) && \result == 0) || !(\old(pumpRunning) == 0)) || ((1 <= pumpRunning && waterLevel <= 1) && methaneLevelCritical == tmp)) || !(methaneLevelCritical <= 0)) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && waterLevel <= 1) && (!(0 == tmp) || (0 < methaneLevelCritical + 1 && methaneLevelCritical <= 0)))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || 0 == systemActive) || ((((((pumpRunning == 0 && tmp == 0) && 1 <= \result) && 1 <= tmp___0) && (!(0 == tmp) || (0 < methaneLevelCritical + 1 && methaneLevelCritical <= 0))) && 1 <= tmp) && \result == 0)) [2022-11-20 11:24:43,590 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= \old(pumpRunning)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) && (((((((((((1 <= pumpRunning && tmp == 0) && methaneLevelCritical == tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp) && \result == 0) || !(\old(pumpRunning) == 0)) || ((1 <= pumpRunning && waterLevel <= 1) && methaneLevelCritical == tmp)) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || 0 == systemActive) [2022-11-20 11:24:43,590 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2022-11-20 11:24:43,591 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (pumpRunning == 0 && waterLevel <= 1)) [2022-11-20 11:24:43,591 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2022-11-20 11:24:43,591 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && !(\result == 0)) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2022-11-20 11:24:43,591 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) && (((((((((pumpRunning == 0 && tmp == 0) && 1 <= \result) && 1 <= tmp___0) && \result == 0) || !(\old(pumpRunning) == 0)) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (pumpRunning == 0 && waterLevel <= 1)) [2022-11-20 11:24:43,592 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-20 11:24:43,615 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:24:43,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:24:43,616 INFO L158 Benchmark]: Toolchain (without parser) took 22679.94ms. Allocated memory was 148.9MB in the beginning and 270.5MB in the end (delta: 121.6MB). Free memory was 104.2MB in the beginning and 204.6MB in the end (delta: -100.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2022-11-20 11:24:43,617 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 148.9MB. Free memory was 118.2MB in the beginning and 118.1MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:24:43,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.77ms. Allocated memory is still 148.9MB. Free memory was 104.2MB in the beginning and 84.8MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 11:24:43,617 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.84ms. Allocated memory is still 148.9MB. Free memory was 84.8MB in the beginning and 82.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:24:43,618 INFO L158 Benchmark]: Boogie Preprocessor took 28.40ms. Allocated memory is still 148.9MB. Free memory was 82.7MB in the beginning and 81.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:24:43,618 INFO L158 Benchmark]: RCFGBuilder took 563.29ms. Allocated memory is still 148.9MB. Free memory was 81.1MB in the beginning and 62.8MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 11:24:43,619 INFO L158 Benchmark]: TraceAbstraction took 21420.75ms. Allocated memory was 148.9MB in the beginning and 270.5MB in the end (delta: 121.6MB). Free memory was 62.2MB in the beginning and 210.9MB in the end (delta: -148.7MB). Peak memory consumption was 110.9MB. Max. memory is 16.1GB. [2022-11-20 11:24:43,619 INFO L158 Benchmark]: Witness Printer took 74.52ms. Allocated memory is still 270.5MB. Free memory was 210.9MB in the beginning and 204.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 11:24:43,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 148.9MB. Free memory was 118.2MB in the beginning and 118.1MB in the end (delta: 140.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.77ms. Allocated memory is still 148.9MB. Free memory was 104.2MB in the beginning and 84.8MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.84ms. Allocated memory is still 148.9MB. Free memory was 84.8MB in the beginning and 82.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.40ms. Allocated memory is still 148.9MB. Free memory was 82.7MB in the beginning and 81.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 563.29ms. Allocated memory is still 148.9MB. Free memory was 81.1MB in the beginning and 62.8MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21420.75ms. Allocated memory was 148.9MB in the beginning and 270.5MB in the end (delta: 121.6MB). Free memory was 62.2MB in the beginning and 210.9MB in the end (delta: -148.7MB). Peak memory consumption was 110.9MB. Max. memory is 16.1GB. * Witness Printer took 74.52ms. Allocated memory is still 270.5MB. Free memory was 210.9MB in the beginning and 204.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 111 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.3s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3513 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3482 mSDsluCounter, 4813 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3643 mSDsCounter, 1419 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6300 IncrementalHoareTripleChecker+Invalid, 7719 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1419 mSolverCounterUnsat, 1170 mSDtfsCounter, 6300 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 654 GetRequests, 423 SyntacticMatches, 12 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2977 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=906occurred in iteration=9, InterpolantAutomatonStates: 192, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 166 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 2597 PreInvPairs, 2945 NumberOfFragments, 2334 HoareAnnotationTreeSize, 2597 FomulaSimplifications, 2998 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 51 FomulaSimplificationsInter, 17416 FormulaSimplificationTreeSizeReductionInter, 7.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 827 NumberOfCodeBlocks, 827 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 919 ConstructedInterpolants, 0 QuantifiedInterpolants, 2208 SizeOfPredicates, 7 NumberOfNonLiveVariables, 609 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 96/135 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: 941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1002]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (pumpRunning == 0 && waterLevel <= 1)) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || \result == 1) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || \result <= 1)) && (((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel)) || (((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) && (((((((((pumpRunning == 0 && tmp == 0) && 1 <= \result) && 1 <= tmp___0) && \result == 0) || !(\old(pumpRunning) == 0)) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (pumpRunning == 0 && waterLevel <= 1)) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) || ((((((1 <= pumpRunning && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical <= 0)) || (((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((((((((pumpRunning == 0 && waterLevel <= 1) && tmp___0 <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1) || (((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp___0 <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || waterLevel <= \old(waterLevel)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(tmp == 0))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (tmp___0 <= 1 && \result <= 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && !(tmp == 0)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && waterLevel <= 1) && !(tmp == 0))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: ((((!(1 <= \old(pumpRunning)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) && ((((((((((((1 <= pumpRunning && tmp == 0) && methaneLevelCritical == tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp) && \result == 0) || !(\old(pumpRunning) == 0)) || ((1 <= pumpRunning && waterLevel <= 1) && methaneLevelCritical == tmp)) || !(methaneLevelCritical <= 0)) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && waterLevel <= 1) && (!(0 == tmp) || (0 < methaneLevelCritical + 1 && methaneLevelCritical <= 0)))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || 0 == systemActive) || ((((((pumpRunning == 0 && tmp == 0) && 1 <= \result) && 1 <= tmp___0) && (!(0 == tmp) || (0 < methaneLevelCritical + 1 && methaneLevelCritical <= 0))) && 1 <= tmp) && \result == 0)) - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: ((((!(1 <= \old(pumpRunning)) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) && (((((((((((1 <= pumpRunning && tmp == 0) && methaneLevelCritical == tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp) && \result == 0) || !(\old(pumpRunning) == 0)) || ((1 <= pumpRunning && waterLevel <= 1) && methaneLevelCritical == tmp)) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && !(0 == systemActive)) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((1 <= pumpRunning && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) || !(1 <= \old(pumpRunning))) || !(0 <= methaneLevelCritical)) || !(waterLevel <= 1)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && !(\result == 0)) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-20 11:24:43,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cc4d76d-064e-4d3a-a421-f56e17ac77bc/bin/uautomizer-ug76WZFUDN/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