./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 73b8e020dd9d30fdd676c81009d4f1b850aa716d63ef29ce3d475a261546f853 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:40:49,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:40:49,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:40:49,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:40:49,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:40:49,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:40:49,690 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:40:49,691 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:40:49,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:40:49,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:40:49,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:40:49,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:40:49,699 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:40:49,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:40:49,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:40:49,702 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:40:49,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:40:49,703 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:40:49,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:40:49,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:40:49,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:40:49,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:40:49,705 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:40:49,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:40:49,706 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:40:49,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:40:49,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:40:49,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:40:49,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:49,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:40:49,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:40:49,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:40:49,712 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:40:49,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:40:49,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:40:49,713 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:40:49,713 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:40:49,714 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:40:49,714 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:40:49,714 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73b8e020dd9d30fdd676c81009d4f1b850aa716d63ef29ce3d475a261546f853 [2023-11-19 07:40:50,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:40:50,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:40:50,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:40:50,110 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:40:50,111 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:40:50,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2023-11-19 07:40:53,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:40:53,594 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:40:53,595 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2023-11-19 07:40:53,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/data/ea8dde396/6a6e4aa4e65042a2889a12120f5d67d4/FLAG47ad77d65 [2023-11-19 07:40:53,639 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/data/ea8dde396/6a6e4aa4e65042a2889a12120f5d67d4 [2023-11-19 07:40:53,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:40:53,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:40:53,645 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:53,645 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:40:53,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:40:53,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:53" (1/1) ... [2023-11-19 07:40:53,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3340b8b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:53, skipping insertion in model container [2023-11-19 07:40:53,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:53" (1/1) ... [2023-11-19 07:40:53,717 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:40:54,038 WARN L240 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_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c[15211,15224] [2023-11-19 07:40:54,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:54,098 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:40:54,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2023-11-19 07:40:54,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [101] [2023-11-19 07:40:54,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [206] [2023-11-19 07:40:54,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [572] [2023-11-19 07:40:54,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [670] [2023-11-19 07:40:54,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [705] [2023-11-19 07:40:54,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [714] [2023-11-19 07:40:54,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [923] [2023-11-19 07:40:54,164 WARN L240 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_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c[15211,15224] [2023-11-19 07:40:54,175 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:54,200 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:40:54,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:54 WrapperNode [2023-11-19 07:40:54,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:54,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:54,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:40:54,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:40:54,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:54" (1/1) ... [2023-11-19 07:40:54,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:54" (1/1) ... [2023-11-19 07:40:54,274 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 214 [2023-11-19 07:40:54,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:54,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:40:54,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:40:54,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:40:54,289 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:54" (1/1) ... [2023-11-19 07:40:54,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:54" (1/1) ... [2023-11-19 07:40:54,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:54" (1/1) ... [2023-11-19 07:40:54,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:54" (1/1) ... [2023-11-19 07:40:54,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:54" (1/1) ... [2023-11-19 07:40:54,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:54" (1/1) ... [2023-11-19 07:40:54,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:54" (1/1) ... [2023-11-19 07:40:54,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:54" (1/1) ... [2023-11-19 07:40:54,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:40:54,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:40:54,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:40:54,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:40:54,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:54" (1/1) ... [2023-11-19 07:40:54,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:54,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:54,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:54,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:40:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:40:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 07:40:54,414 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 07:40:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 07:40:54,414 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 07:40:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 07:40:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 07:40:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 07:40:54,415 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 07:40:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-19 07:40:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-19 07:40:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-19 07:40:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-19 07:40:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-19 07:40:54,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-19 07:40:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:40:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 07:40:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 07:40:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:40:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:40:54,499 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:40:54,501 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:40:54,794 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:40:54,804 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:40:54,805 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:40:54,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:54 BoogieIcfgContainer [2023-11-19 07:40:54,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:40:54,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:40:54,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:40:54,817 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:40:54,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:40:53" (1/3) ... [2023-11-19 07:40:54,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec4a15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:54, skipping insertion in model container [2023-11-19 07:40:54,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:54" (2/3) ... [2023-11-19 07:40:54,819 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec4a15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:54, skipping insertion in model container [2023-11-19 07:40:54,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:54" (3/3) ... [2023-11-19 07:40:54,820 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2023-11-19 07:40:54,842 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:40:54,842 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:40:54,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:40:54,909 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=LoopHeads, 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;@525b1395, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:40:54,909 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:40:54,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 75 states have (on average 1.36) internal successors, (102), 83 states have internal predecessors, (102), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 07:40:54,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 07:40:54,931 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:54,932 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] [2023-11-19 07:40:54,933 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:54,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:54,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1607314381, now seen corresponding path program 1 times [2023-11-19 07:40:54,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:54,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130052765] [2023-11-19 07:40:54,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:54,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:55,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 07:40:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:40:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:40:55,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:55,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130052765] [2023-11-19 07:40:55,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130052765] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:55,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:55,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:40:55,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432768048] [2023-11-19 07:40:55,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:55,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:40:55,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:55,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:40:55,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:40:55,368 INFO L87 Difference]: Start difference. First operand has 99 states, 75 states have (on average 1.36) internal successors, (102), 83 states have internal predecessors, (102), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:40:55,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:55,416 INFO L93 Difference]: Finished difference Result 189 states and 254 transitions. [2023-11-19 07:40:55,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:40:55,419 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2023-11-19 07:40:55,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:55,429 INFO L225 Difference]: With dead ends: 189 [2023-11-19 07:40:55,430 INFO L226 Difference]: Without dead ends: 90 [2023-11-19 07:40:55,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:40:55,438 INFO L413 NwaCegarLoop]: 124 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, 124 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 [2023-11-19 07:40:55,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:40:55,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-19 07:40:55,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-11-19 07:40:55,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 68 states have (on average 1.2941176470588236) internal successors, (88), 75 states have internal predecessors, (88), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 07:40:55,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2023-11-19 07:40:55,524 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 115 transitions. Word has length 32 [2023-11-19 07:40:55,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:55,525 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 115 transitions. [2023-11-19 07:40:55,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:40:55,527 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 115 transitions. [2023-11-19 07:40:55,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 07:40:55,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:55,532 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] [2023-11-19 07:40:55,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:40:55,533 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:55,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:55,534 INFO L85 PathProgramCache]: Analyzing trace with hash -824221923, now seen corresponding path program 1 times [2023-11-19 07:40:55,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:55,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675486071] [2023-11-19 07:40:55,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:55,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:55,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:40:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:55,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:40:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:55,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:40:55,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:55,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675486071] [2023-11-19 07:40:55,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675486071] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:55,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:55,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:40:55,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361887869] [2023-11-19 07:40:55,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:55,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:40:55,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:55,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:40:55,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:40:55,703 INFO L87 Difference]: Start difference. First operand 90 states and 115 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:40:55,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:55,727 INFO L93 Difference]: Finished difference Result 144 states and 184 transitions. [2023-11-19 07:40:55,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:40:55,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2023-11-19 07:40:55,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:55,731 INFO L225 Difference]: With dead ends: 144 [2023-11-19 07:40:55,731 INFO L226 Difference]: Without dead ends: 81 [2023-11-19 07:40:55,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:40:55,735 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 13 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 187 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 [2023-11-19 07:40:55,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 187 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:40:55,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-19 07:40:55,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-19 07:40:55,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 69 states have internal predecessors, (81), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 07:40:55,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 103 transitions. [2023-11-19 07:40:55,752 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 103 transitions. Word has length 33 [2023-11-19 07:40:55,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:55,752 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 103 transitions. [2023-11-19 07:40:55,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:40:55,753 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 103 transitions. [2023-11-19 07:40:55,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 07:40:55,756 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:55,756 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] [2023-11-19 07:40:55,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:40:55,757 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:55,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:55,758 INFO L85 PathProgramCache]: Analyzing trace with hash 534456794, now seen corresponding path program 1 times [2023-11-19 07:40:55,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:55,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597905554] [2023-11-19 07:40:55,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:55,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:55,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:40:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:55,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 07:40:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:55,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:40:55,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:55,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597905554] [2023-11-19 07:40:55,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597905554] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:55,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:55,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:40:55,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970057668] [2023-11-19 07:40:55,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:55,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:40:55,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:55,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:40:55,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:40:55,928 INFO L87 Difference]: Start difference. First operand 81 states and 103 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:40:56,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:56,010 INFO L93 Difference]: Finished difference Result 154 states and 199 transitions. [2023-11-19 07:40:56,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:40:56,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2023-11-19 07:40:56,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:56,013 INFO L225 Difference]: With dead ends: 154 [2023-11-19 07:40:56,014 INFO L226 Difference]: Without dead ends: 81 [2023-11-19 07:40:56,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:40:56,017 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 126 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 254 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 [2023-11-19 07:40:56,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 254 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:40:56,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-19 07:40:56,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-19 07:40:56,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 69 states have internal predecessors, (80), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 07:40:56,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 102 transitions. [2023-11-19 07:40:56,040 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 102 transitions. Word has length 38 [2023-11-19 07:40:56,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:56,042 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 102 transitions. [2023-11-19 07:40:56,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-19 07:40:56,043 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 102 transitions. [2023-11-19 07:40:56,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 07:40:56,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:56,050 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] [2023-11-19 07:40:56,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:40:56,050 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:56,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:56,051 INFO L85 PathProgramCache]: Analyzing trace with hash -216434858, now seen corresponding path program 1 times [2023-11-19 07:40:56,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:56,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697611471] [2023-11-19 07:40:56,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:56,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:56,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:40:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:56,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:40:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:56,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:40:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:56,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:40:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:56,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:40:56,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:56,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697611471] [2023-11-19 07:40:56,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697611471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:56,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:56,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:40:56,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587860484] [2023-11-19 07:40:56,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:56,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:40:56,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:56,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:40:56,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:40:56,285 INFO L87 Difference]: Start difference. First operand 81 states and 102 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), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:40:56,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:56,593 INFO L93 Difference]: Finished difference Result 238 states and 300 transitions. [2023-11-19 07:40:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:40:56,604 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), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 48 [2023-11-19 07:40:56,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:56,607 INFO L225 Difference]: With dead ends: 238 [2023-11-19 07:40:56,607 INFO L226 Difference]: Without dead ends: 165 [2023-11-19 07:40:56,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:40:56,610 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 207 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:56,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 287 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:40:56,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-11-19 07:40:56,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 159. [2023-11-19 07:40:56,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 122 states have (on average 1.2540983606557377) internal successors, (153), 130 states have internal predecessors, (153), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2023-11-19 07:40:56,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 194 transitions. [2023-11-19 07:40:56,650 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 194 transitions. Word has length 48 [2023-11-19 07:40:56,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:56,651 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 194 transitions. [2023-11-19 07:40:56,651 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), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-19 07:40:56,651 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 194 transitions. [2023-11-19 07:40:56,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 07:40:56,655 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:56,656 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] [2023-11-19 07:40:56,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:40:56,656 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:56,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:56,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1219044606, now seen corresponding path program 1 times [2023-11-19 07:40:56,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:56,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772225700] [2023-11-19 07:40:56,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:56,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:56,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:40:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:56,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:40:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:56,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:40:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:56,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-19 07:40:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:56,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:40:56,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:56,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772225700] [2023-11-19 07:40:56,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772225700] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:56,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:56,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:40:56,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450717391] [2023-11-19 07:40:56,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:56,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:40:56,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:56,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:40:56,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:40:56,879 INFO L87 Difference]: Start difference. First operand 159 states and 194 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, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 07:40:57,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:57,167 INFO L93 Difference]: Finished difference Result 314 states and 384 transitions. [2023-11-19 07:40:57,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 07:40:57,168 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, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2023-11-19 07:40:57,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:57,171 INFO L225 Difference]: With dead ends: 314 [2023-11-19 07:40:57,171 INFO L226 Difference]: Without dead ends: 163 [2023-11-19 07:40:57,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:40:57,173 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 141 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:57,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 399 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:40:57,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-11-19 07:40:57,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 157. [2023-11-19 07:40:57,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 120 states have (on average 1.225) internal successors, (147), 128 states have internal predecessors, (147), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2023-11-19 07:40:57,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 188 transitions. [2023-11-19 07:40:57,194 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 188 transitions. Word has length 54 [2023-11-19 07:40:57,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:57,195 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 188 transitions. [2023-11-19 07:40:57,195 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, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 07:40:57,195 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 188 transitions. [2023-11-19 07:40:57,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 07:40:57,196 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:57,196 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] [2023-11-19 07:40:57,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:40:57,197 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:57,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:57,197 INFO L85 PathProgramCache]: Analyzing trace with hash 175038302, now seen corresponding path program 1 times [2023-11-19 07:40:57,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:57,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109510084] [2023-11-19 07:40:57,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:57,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:57,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:40:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:40:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:57,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:40:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:57,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-19 07:40:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:57,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:40:57,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:57,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109510084] [2023-11-19 07:40:57,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109510084] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:57,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:57,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:40:57,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186850473] [2023-11-19 07:40:57,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:57,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:40:57,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:57,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:40:57,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:40:57,380 INFO L87 Difference]: Start difference. First operand 157 states and 188 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 07:40:57,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:57,569 INFO L93 Difference]: Finished difference Result 316 states and 385 transitions. [2023-11-19 07:40:57,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:40:57,570 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 60 [2023-11-19 07:40:57,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:57,576 INFO L225 Difference]: With dead ends: 316 [2023-11-19 07:40:57,576 INFO L226 Difference]: Without dead ends: 167 [2023-11-19 07:40:57,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:40:57,582 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 66 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:57,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 346 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:40:57,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-19 07:40:57,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 160. [2023-11-19 07:40:57,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 123 states have (on average 1.2195121951219512) internal successors, (150), 131 states have internal predecessors, (150), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2023-11-19 07:40:57,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 191 transitions. [2023-11-19 07:40:57,622 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 191 transitions. Word has length 60 [2023-11-19 07:40:57,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:57,624 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 191 transitions. [2023-11-19 07:40:57,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 07:40:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 191 transitions. [2023-11-19 07:40:57,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 07:40:57,626 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:57,627 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] [2023-11-19 07:40:57,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:40:57,627 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:57,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:57,628 INFO L85 PathProgramCache]: Analyzing trace with hash 2098266336, now seen corresponding path program 1 times [2023-11-19 07:40:57,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:57,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686346886] [2023-11-19 07:40:57,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:57,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:57,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:40:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:57,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:40:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:57,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:40:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:57,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-19 07:40:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:57,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:40:57,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:57,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686346886] [2023-11-19 07:40:57,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686346886] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:57,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:57,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:40:57,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114388205] [2023-11-19 07:40:57,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:57,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:40:57,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:57,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:40:57,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:40:57,823 INFO L87 Difference]: Start difference. First operand 160 states and 191 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 07:40:58,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:58,061 INFO L93 Difference]: Finished difference Result 322 states and 391 transitions. [2023-11-19 07:40:58,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:40:58,062 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 60 [2023-11-19 07:40:58,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:58,066 INFO L225 Difference]: With dead ends: 322 [2023-11-19 07:40:58,066 INFO L226 Difference]: Without dead ends: 170 [2023-11-19 07:40:58,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:40:58,073 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 105 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:58,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 384 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:40:58,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-11-19 07:40:58,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 162. [2023-11-19 07:40:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 125 states have (on average 1.216) internal successors, (152), 133 states have internal predecessors, (152), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2023-11-19 07:40:58,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 193 transitions. [2023-11-19 07:40:58,100 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 193 transitions. Word has length 60 [2023-11-19 07:40:58,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:58,101 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 193 transitions. [2023-11-19 07:40:58,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 07:40:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 193 transitions. [2023-11-19 07:40:58,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 07:40:58,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:58,103 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] [2023-11-19 07:40:58,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:40:58,103 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:58,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:58,104 INFO L85 PathProgramCache]: Analyzing trace with hash -810497566, now seen corresponding path program 1 times [2023-11-19 07:40:58,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:58,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901594858] [2023-11-19 07:40:58,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:58,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:58,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:40:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:58,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:40:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:58,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:40:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:58,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-19 07:40:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:58,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:40:58,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:58,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901594858] [2023-11-19 07:40:58,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901594858] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:58,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:58,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:40:58,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792832463] [2023-11-19 07:40:58,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:58,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:40:58,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:58,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:40:58,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:40:58,218 INFO L87 Difference]: Start difference. First operand 162 states and 193 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-19 07:40:58,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:58,442 INFO L93 Difference]: Finished difference Result 448 states and 559 transitions. [2023-11-19 07:40:58,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:40:58,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 60 [2023-11-19 07:40:58,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:58,446 INFO L225 Difference]: With dead ends: 448 [2023-11-19 07:40:58,446 INFO L226 Difference]: Without dead ends: 294 [2023-11-19 07:40:58,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:40:58,447 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 218 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:58,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 285 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:40:58,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2023-11-19 07:40:58,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 292. [2023-11-19 07:40:58,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 223 states have (on average 1.201793721973094) internal successors, (268), 235 states have internal predecessors, (268), 36 states have call successors, (36), 31 states have call predecessors, (36), 32 states have return successors, (51), 36 states have call predecessors, (51), 36 states have call successors, (51) [2023-11-19 07:40:58,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 355 transitions. [2023-11-19 07:40:58,477 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 355 transitions. Word has length 60 [2023-11-19 07:40:58,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:58,477 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 355 transitions. [2023-11-19 07:40:58,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-19 07:40:58,478 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 355 transitions. [2023-11-19 07:40:58,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 07:40:58,479 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:58,479 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] [2023-11-19 07:40:58,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:40:58,479 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:58,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:58,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1779897540, now seen corresponding path program 1 times [2023-11-19 07:40:58,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:58,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038430622] [2023-11-19 07:40:58,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:58,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:58,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:40:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:58,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:40:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:58,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:40:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:58,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:40:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:58,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 07:40:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:58,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:40:58,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:58,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038430622] [2023-11-19 07:40:58,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038430622] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:58,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:58,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:40:58,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703445111] [2023-11-19 07:40:58,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:58,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:40:58,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:58,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:40:58,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:40:58,697 INFO L87 Difference]: Start difference. First operand 292 states and 355 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-19 07:40:59,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:40:59,335 INFO L93 Difference]: Finished difference Result 842 states and 1051 transitions. [2023-11-19 07:40:59,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-19 07:40:59,335 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 64 [2023-11-19 07:40:59,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:40:59,340 INFO L225 Difference]: With dead ends: 842 [2023-11-19 07:40:59,340 INFO L226 Difference]: Without dead ends: 609 [2023-11-19 07:40:59,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=503, Unknown=0, NotChecked=0, Total=650 [2023-11-19 07:40:59,343 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 432 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:40:59,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 580 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:40:59,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2023-11-19 07:40:59,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 542. [2023-11-19 07:40:59,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 414 states have (on average 1.1956521739130435) internal successors, (495), 438 states have internal predecessors, (495), 66 states have call successors, (66), 55 states have call predecessors, (66), 61 states have return successors, (90), 66 states have call predecessors, (90), 66 states have call successors, (90) [2023-11-19 07:40:59,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 651 transitions. [2023-11-19 07:40:59,400 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 651 transitions. Word has length 64 [2023-11-19 07:40:59,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:40:59,401 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 651 transitions. [2023-11-19 07:40:59,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 7 states have internal predecessors, (51), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-19 07:40:59,401 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 651 transitions. [2023-11-19 07:40:59,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 07:40:59,403 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:59,403 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:40:59,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:40:59,403 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:59,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:59,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2079059227, now seen corresponding path program 1 times [2023-11-19 07:40:59,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:59,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204378690] [2023-11-19 07:40:59,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:59,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:40:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:40:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:40:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:40:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-19 07:40:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-19 07:40:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-19 07:40:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:40:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-11-19 07:40:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 07:40:59,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:59,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204378690] [2023-11-19 07:40:59,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204378690] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:40:59,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537288002] [2023-11-19 07:40:59,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:59,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:40:59,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:59,691 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:40:59,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:40:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:59,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:40:59,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:00,045 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 29 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:41:00,045 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:41:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 07:41:00,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537288002] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:41:00,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:41:00,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2023-11-19 07:41:00,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555954163] [2023-11-19 07:41:00,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:41:00,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-19 07:41:00,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:00,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-19 07:41:00,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2023-11-19 07:41:00,290 INFO L87 Difference]: Start difference. First operand 542 states and 651 transitions. Second operand has 16 states, 16 states have (on average 7.875) internal successors, (126), 11 states have internal predecessors, (126), 5 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 7 states have call predecessors, (20), 5 states have call successors, (20) [2023-11-19 07:41:01,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:01,728 INFO L93 Difference]: Finished difference Result 1191 states and 1465 transitions. [2023-11-19 07:41:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-19 07:41:01,729 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.875) internal successors, (126), 11 states have internal predecessors, (126), 5 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 7 states have call predecessors, (20), 5 states have call successors, (20) Word has length 108 [2023-11-19 07:41:01,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:41:01,735 INFO L225 Difference]: With dead ends: 1191 [2023-11-19 07:41:01,735 INFO L226 Difference]: Without dead ends: 706 [2023-11-19 07:41:01,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 242 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=349, Invalid=1631, Unknown=0, NotChecked=0, Total=1980 [2023-11-19 07:41:01,739 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 417 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1631 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:41:01,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1631 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 07:41:01,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2023-11-19 07:41:01,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 614. [2023-11-19 07:41:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 464 states have (on average 1.1939655172413792) internal successors, (554), 496 states have internal predecessors, (554), 77 states have call successors, (77), 66 states have call predecessors, (77), 72 states have return successors, (101), 74 states have call predecessors, (101), 77 states have call successors, (101) [2023-11-19 07:41:01,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 732 transitions. [2023-11-19 07:41:01,826 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 732 transitions. Word has length 108 [2023-11-19 07:41:01,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:41:01,828 INFO L495 AbstractCegarLoop]: Abstraction has 614 states and 732 transitions. [2023-11-19 07:41:01,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.875) internal successors, (126), 11 states have internal predecessors, (126), 5 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 7 states have call predecessors, (20), 5 states have call successors, (20) [2023-11-19 07:41:01,828 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 732 transitions. [2023-11-19 07:41:01,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-19 07:41:01,834 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:01,835 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:01,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:02,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 07:41:02,048 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:02,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:02,048 INFO L85 PathProgramCache]: Analyzing trace with hash 333181080, now seen corresponding path program 1 times [2023-11-19 07:41:02,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:02,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327753808] [2023-11-19 07:41:02,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:02,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:41:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:41:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:41:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:41:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-19 07:41:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:41:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:41:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:41:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-11-19 07:41:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:41:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-11-19 07:41:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-11-19 07:41:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-19 07:41:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:41:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-19 07:41:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,475 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-19 07:41:02,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:02,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327753808] [2023-11-19 07:41:02,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327753808] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:41:02,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427251560] [2023-11-19 07:41:02,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:02,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:41:02,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:02,478 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:41:02,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:41:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:02,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:41:02,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:02,930 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 162 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 07:41:02,930 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:41:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 82 proven. 42 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-19 07:41:03,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427251560] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:41:03,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:41:03,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 11] total 26 [2023-11-19 07:41:03,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979203085] [2023-11-19 07:41:03,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:41:03,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-19 07:41:03,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:03,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-19 07:41:03,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=534, Unknown=0, NotChecked=0, Total=650 [2023-11-19 07:41:03,516 INFO L87 Difference]: Start difference. First operand 614 states and 732 transitions. Second operand has 26 states, 26 states have (on average 7.884615384615385) internal successors, (205), 21 states have internal predecessors, (205), 9 states have call successors, (34), 8 states have call predecessors, (34), 10 states have return successors, (36), 9 states have call predecessors, (36), 9 states have call successors, (36) [2023-11-19 07:41:05,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:05,869 INFO L93 Difference]: Finished difference Result 1795 states and 2235 transitions. [2023-11-19 07:41:05,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-19 07:41:05,869 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 7.884615384615385) internal successors, (205), 21 states have internal predecessors, (205), 9 states have call successors, (34), 8 states have call predecessors, (34), 10 states have return successors, (36), 9 states have call predecessors, (36), 9 states have call successors, (36) Word has length 196 [2023-11-19 07:41:05,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:41:05,877 INFO L225 Difference]: With dead ends: 1795 [2023-11-19 07:41:05,878 INFO L226 Difference]: Without dead ends: 1189 [2023-11-19 07:41:05,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 420 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1336 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=964, Invalid=4438, Unknown=0, NotChecked=0, Total=5402 [2023-11-19 07:41:05,884 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 1018 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 1903 mSolverCounterSat, 390 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 2293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 1903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:41:05,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 1268 Invalid, 2293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [390 Valid, 1903 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-19 07:41:05,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2023-11-19 07:41:06,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1089. [2023-11-19 07:41:06,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 829 states have (on average 1.1399276236429432) internal successors, (945), 874 states have internal predecessors, (945), 138 states have call successors, (138), 121 states have call predecessors, (138), 121 states have return successors, (160), 127 states have call predecessors, (160), 138 states have call successors, (160) [2023-11-19 07:41:06,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1243 transitions. [2023-11-19 07:41:06,039 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1243 transitions. Word has length 196 [2023-11-19 07:41:06,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:41:06,039 INFO L495 AbstractCegarLoop]: Abstraction has 1089 states and 1243 transitions. [2023-11-19 07:41:06,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.884615384615385) internal successors, (205), 21 states have internal predecessors, (205), 9 states have call successors, (34), 8 states have call predecessors, (34), 10 states have return successors, (36), 9 states have call predecessors, (36), 9 states have call successors, (36) [2023-11-19 07:41:06,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1243 transitions. [2023-11-19 07:41:06,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-11-19 07:41:06,048 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:06,048 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:06,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:06,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-19 07:41:06,269 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:06,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:06,270 INFO L85 PathProgramCache]: Analyzing trace with hash 940649722, now seen corresponding path program 1 times [2023-11-19 07:41:06,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:06,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365482458] [2023-11-19 07:41:06,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:06,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:41:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:41:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:41:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:41:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-19 07:41:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:41:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:41:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:41:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-19 07:41:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-19 07:41:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-19 07:41:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:41:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:41:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-11-19 07:41:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-11-19 07:41:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-19 07:41:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:41:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-11-19 07:41:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,720 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 100 proven. 44 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 07:41:06,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:06,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365482458] [2023-11-19 07:41:06,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365482458] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:41:06,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631505059] [2023-11-19 07:41:06,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:06,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:41:06,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:06,723 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:41:06,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:41:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:41:06,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:07,083 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 200 proven. 9 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-19 07:41:07,084 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:41:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 104 proven. 54 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-11-19 07:41:07,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631505059] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:41:07,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:41:07,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 23 [2023-11-19 07:41:07,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550642729] [2023-11-19 07:41:07,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:41:07,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-19 07:41:07,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:07,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-19 07:41:07,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2023-11-19 07:41:07,562 INFO L87 Difference]: Start difference. First operand 1089 states and 1243 transitions. Second operand has 23 states, 23 states have (on average 9.391304347826088) internal successors, (216), 16 states have internal predecessors, (216), 6 states have call successors, (45), 8 states have call predecessors, (45), 11 states have return successors, (39), 9 states have call predecessors, (39), 6 states have call successors, (39) [2023-11-19 07:41:09,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:09,324 INFO L93 Difference]: Finished difference Result 2126 states and 2453 transitions. [2023-11-19 07:41:09,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-19 07:41:09,325 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 9.391304347826088) internal successors, (216), 16 states have internal predecessors, (216), 6 states have call successors, (45), 8 states have call predecessors, (45), 11 states have return successors, (39), 9 states have call predecessors, (39), 6 states have call successors, (39) Word has length 212 [2023-11-19 07:41:09,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:41:09,332 INFO L225 Difference]: With dead ends: 2126 [2023-11-19 07:41:09,332 INFO L226 Difference]: Without dead ends: 1143 [2023-11-19 07:41:09,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 519 GetRequests, 470 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=405, Invalid=2045, Unknown=0, NotChecked=0, Total=2450 [2023-11-19 07:41:09,337 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 630 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 1919 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 2137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:41:09,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 426 Invalid, 2137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1919 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-19 07:41:09,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2023-11-19 07:41:09,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1085. [2023-11-19 07:41:09,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 827 states have (on average 1.1293833131801694) internal successors, (934), 870 states have internal predecessors, (934), 132 states have call successors, (132), 123 states have call predecessors, (132), 125 states have return successors, (154), 125 states have call predecessors, (154), 132 states have call successors, (154) [2023-11-19 07:41:09,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1220 transitions. [2023-11-19 07:41:09,472 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1220 transitions. Word has length 212 [2023-11-19 07:41:09,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:41:09,473 INFO L495 AbstractCegarLoop]: Abstraction has 1085 states and 1220 transitions. [2023-11-19 07:41:09,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.391304347826088) internal successors, (216), 16 states have internal predecessors, (216), 6 states have call successors, (45), 8 states have call predecessors, (45), 11 states have return successors, (39), 9 states have call predecessors, (39), 6 states have call successors, (39) [2023-11-19 07:41:09,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1220 transitions. [2023-11-19 07:41:09,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-19 07:41:09,479 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:09,480 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:09,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:09,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-19 07:41:09,702 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:09,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:09,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1948196260, now seen corresponding path program 1 times [2023-11-19 07:41:09,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:09,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739375270] [2023-11-19 07:41:09,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:09,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:41:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:41:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:41:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:41:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-19 07:41:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:41:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:41:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:41:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-19 07:41:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:41:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-19 07:41:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:41:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:41:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-19 07:41:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-11-19 07:41:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-19 07:41:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:41:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-11-19 07:41:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,112 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 90 proven. 3 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-11-19 07:41:10,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:10,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739375270] [2023-11-19 07:41:10,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739375270] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:41:10,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133145290] [2023-11-19 07:41:10,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:10,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:41:10,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:10,137 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:41:10,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:41:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 07:41:10,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:10,634 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 142 proven. 26 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-19 07:41:10,635 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:41:11,442 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 103 proven. 45 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-19 07:41:11,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1133145290] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:41:11,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:41:11,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8, 13] total 29 [2023-11-19 07:41:11,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650466758] [2023-11-19 07:41:11,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:41:11,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-19 07:41:11,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:11,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-19 07:41:11,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2023-11-19 07:41:11,450 INFO L87 Difference]: Start difference. First operand 1085 states and 1220 transitions. Second operand has 29 states, 29 states have (on average 8.862068965517242) internal successors, (257), 23 states have internal predecessors, (257), 13 states have call successors, (47), 12 states have call predecessors, (47), 15 states have return successors, (48), 14 states have call predecessors, (48), 13 states have call successors, (48) [2023-11-19 07:41:15,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:15,912 INFO L93 Difference]: Finished difference Result 2410 states and 2761 transitions. [2023-11-19 07:41:15,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2023-11-19 07:41:15,913 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 8.862068965517242) internal successors, (257), 23 states have internal predecessors, (257), 13 states have call successors, (47), 12 states have call predecessors, (47), 15 states have return successors, (48), 14 states have call predecessors, (48), 13 states have call successors, (48) Word has length 213 [2023-11-19 07:41:15,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:41:15,922 INFO L225 Difference]: With dead ends: 2410 [2023-11-19 07:41:15,923 INFO L226 Difference]: Without dead ends: 1437 [2023-11-19 07:41:15,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 466 SyntacticMatches, 7 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2217 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1427, Invalid=6945, Unknown=0, NotChecked=0, Total=8372 [2023-11-19 07:41:15,933 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 1845 mSDsluCounter, 1169 mSDsCounter, 0 mSdLazyCounter, 4982 mSolverCounterSat, 686 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1845 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 5668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 686 IncrementalHoareTripleChecker+Valid, 4982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:41:15,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1845 Valid, 1277 Invalid, 5668 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [686 Valid, 4982 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-19 07:41:15,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2023-11-19 07:41:16,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1289. [2023-11-19 07:41:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 984 states have (on average 1.125) internal successors, (1107), 1020 states have internal predecessors, (1107), 160 states have call successors, (160), 151 states have call predecessors, (160), 144 states have return successors, (176), 144 states have call predecessors, (176), 160 states have call successors, (176) [2023-11-19 07:41:16,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1443 transitions. [2023-11-19 07:41:16,089 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1443 transitions. Word has length 213 [2023-11-19 07:41:16,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:41:16,090 INFO L495 AbstractCegarLoop]: Abstraction has 1289 states and 1443 transitions. [2023-11-19 07:41:16,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.862068965517242) internal successors, (257), 23 states have internal predecessors, (257), 13 states have call successors, (47), 12 states have call predecessors, (47), 15 states have return successors, (48), 14 states have call predecessors, (48), 13 states have call successors, (48) [2023-11-19 07:41:16,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1443 transitions. [2023-11-19 07:41:16,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2023-11-19 07:41:16,099 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:16,100 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:16,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:16,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-19 07:41:16,328 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:16,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:16,328 INFO L85 PathProgramCache]: Analyzing trace with hash 648735380, now seen corresponding path program 1 times [2023-11-19 07:41:16,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:16,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033129272] [2023-11-19 07:41:16,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:16,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:16,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:41:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:41:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:41:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:41:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-19 07:41:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:41:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:41:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:41:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-19 07:41:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:41:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-19 07:41:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:41:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:41:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-11-19 07:41:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-11-19 07:41:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-19 07:41:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:41:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:41:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:41:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-11-19 07:41:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-19 07:41:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2023-11-19 07:41:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:41:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2023-11-19 07:41:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,489 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 90 proven. 139 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2023-11-19 07:41:17,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:17,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033129272] [2023-11-19 07:41:17,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033129272] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:41:17,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782263025] [2023-11-19 07:41:17,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:17,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:41:17,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:17,496 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:41:17,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:41:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:17,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 07:41:17,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:18,075 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 159 proven. 91 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2023-11-19 07:41:18,075 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:41:19,075 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 100 proven. 138 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2023-11-19 07:41:19,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782263025] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:41:19,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:41:19,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 16] total 31 [2023-11-19 07:41:19,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777793433] [2023-11-19 07:41:19,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:41:19,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-11-19 07:41:19,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:19,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-19 07:41:19,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=767, Unknown=0, NotChecked=0, Total=930 [2023-11-19 07:41:19,080 INFO L87 Difference]: Start difference. First operand 1289 states and 1443 transitions. Second operand has 31 states, 31 states have (on average 10.161290322580646) internal successors, (315), 27 states have internal predecessors, (315), 18 states have call successors, (58), 13 states have call predecessors, (58), 20 states have return successors, (61), 18 states have call predecessors, (61), 18 states have call successors, (61) [2023-11-19 07:41:21,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:21,322 INFO L93 Difference]: Finished difference Result 2028 states and 2287 transitions. [2023-11-19 07:41:21,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-19 07:41:21,328 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 10.161290322580646) internal successors, (315), 27 states have internal predecessors, (315), 18 states have call successors, (58), 13 states have call predecessors, (58), 20 states have return successors, (61), 18 states have call predecessors, (61), 18 states have call successors, (61) Word has length 268 [2023-11-19 07:41:21,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:41:21,329 INFO L225 Difference]: With dead ends: 2028 [2023-11-19 07:41:21,330 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:41:21,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 579 SyntacticMatches, 9 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 869 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=914, Invalid=3376, Unknown=0, NotChecked=0, Total=4290 [2023-11-19 07:41:21,336 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 1046 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 2453 mSolverCounterSat, 362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 2815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 362 IncrementalHoareTripleChecker+Valid, 2453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:41:21,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 688 Invalid, 2815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [362 Valid, 2453 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-19 07:41:21,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:41:21,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:41:21,338 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) [2023-11-19 07:41:21,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:41:21,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 268 [2023-11-19 07:41:21,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:41:21,339 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:41:21,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 10.161290322580646) internal successors, (315), 27 states have internal predecessors, (315), 18 states have call successors, (58), 13 states have call predecessors, (58), 20 states have return successors, (61), 18 states have call predecessors, (61), 18 states have call successors, (61) [2023-11-19 07:41:21,339 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:41:21,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:41:21,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:41:21,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:21,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-19 07:41:21,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:41:31,285 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 748 754) no Hoare annotation was computed. [2023-11-19 07:41:31,285 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 748 754) the Hoare annotation is: true [2023-11-19 07:41:31,285 INFO L899 garLoopResultBuilder]: For program point L607-1(lines 603 614) no Hoare annotation was computed. [2023-11-19 07:41:31,286 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 603 614) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (< ~pumpRunning~0 1)) (.cse5 (< ~switchedOnBeforeTS~0 1)) (.cse7 (not (= ~waterLevel~0 1))) (.cse9 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse10 (< |old(~methaneLevelCritical~0)| 1)) (.cse11 (not (= 2 ~waterLevel~0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse8 (not (= ~pumpRunning~0 0))) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (not (= ~waterLevel~0 0))) (.cse6 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse10 .cse6) (or .cse1 .cse2 .cse3 .cse11 .cse6) (or .cse8 .cse4 .cse9 .cse10 .cse6) (or .cse0 .cse7 .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse7 .cse2 .cse8 .cse3 .cse6) (or .cse8 .cse11 .cse9 .cse10 .cse6) (or .cse2 .cse8 .cse3 .cse11 .cse6) (or .cse2 .cse8 .cse3 .cse4 .cse6))) [2023-11-19 07:41:31,286 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 603 614) no Hoare annotation was computed. [2023-11-19 07:41:31,286 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-11-19 07:41:31,286 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 721 747) no Hoare annotation was computed. [2023-11-19 07:41:31,287 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (let ((.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse10 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse3 (= 0 ~systemActive~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (= |timeShift_processEnvironment_~tmp~6#1| 0)) (.cse13 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse5 (and .cse11 .cse12 .cse13 (= ~waterLevel~0 0))) (.cse2 (not (= |old(~waterLevel~0)| 0))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (or .cse6 .cse10 .cse9 .cse3) (or (< |old(~waterLevel~0)| 2) .cse9 .cse3 (= |old(~switchedOnBeforeTS~0)| 0)))) (.cse8 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse6 .cse1 .cse7) (or .cse0 .cse4 .cse3 .cse8) (or .cse0 .cse2 .cse3 .cse8) (or .cse0 .cse6 .cse3 .cse8) (or .cse4 .cse9 .cse3 .cse8) (or .cse10 .cse2 .cse9 .cse3 .cse8) (or .cse5 .cse10 .cse1 .cse2 .cse9 .cse3) (or (and .cse11 .cse12 (= ~waterLevel~0 1) .cse13) .cse1 .cse4 .cse9 .cse3) (or .cse0 .cse6 .cse1 .cse3) (or (< 1 |old(~waterLevel~0)|) .cse7 .cse8)))) [2023-11-19 07:41:31,287 INFO L899 garLoopResultBuilder]: For program point getWaterLevel_returnLabel#1(lines 647 655) no Hoare annotation was computed. [2023-11-19 07:41:31,288 INFO L895 garLoopResultBuilder]: At program point L788(line 788) the Hoare annotation is: (let ((.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (and .cse12 (= ~waterLevel~0 1) .cse13)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse4 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse6 (and .cse12 .cse13 (= ~waterLevel~0 0))) (.cse3 (= 0 ~systemActive~0)) (.cse7 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse1 .cse8 .cse3) (or .cse0 .cse8 .cse3 .cse9) (or .cse1 .cse10 .cse8 .cse5 .cse3) (or .cse4 .cse2 .cse5 .cse6 .cse3 .cse9) (or .cse0 .cse2 .cse3 .cse9) (or .cse0 .cse11 .cse3 .cse9) (or .cse11 .cse4 .cse5 .cse6 .cse3 .cse9) (or .cse0 .cse11 .cse1 .cse3) (or .cse10 .cse8 .cse5 .cse3 .cse9) (or .cse11 .cse4 .cse1 .cse5 .cse6 .cse3 .cse7)))) [2023-11-19 07:41:31,288 INFO L899 garLoopResultBuilder]: For program point L788-1(line 788) no Hoare annotation was computed. [2023-11-19 07:41:31,288 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse19 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse20 (= |timeShift_getWaterLevel_#res#1| 0)) (.cse21 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse22 (= ~waterLevel~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ~waterLevel~0 1)) (.cse8 (= |timeShift_getWaterLevel_#res#1| 1)) (.cse9 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 1))) (let ((.cse4 (and .cse5 .cse6 .cse8 .cse9)) (.cse18 (and .cse19 .cse20 .cse21 .cse7 .cse22)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse14 (not (= |old(~waterLevel~0)| 0))) (.cse17 (and .cse5 .cse20 .cse21 .cse22)) (.cse12 (and .cse5 .cse20 .cse21 .cse7 .cse22)) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse13 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse15 (< 2 |old(~waterLevel~0)|)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse16 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse11 (< |old(~pumpRunning~0)| 1)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6 .cse7 .cse8 .cse9) .cse10 .cse11 .cse2 .cse3) (or .cse12 .cse13 .cse14 .cse11 .cse2 .cse15 .cse3) (or .cse0 .cse16 .cse10 .cse2) (or .cse0 .cse16 .cse14 .cse2 .cse17) (or .cse0 .cse10 .cse2 .cse3) (or .cse0 .cse1 .cse16 .cse2 .cse4) (or .cse1 .cse13 .cse18 .cse16 .cse11 .cse2) (or .cse13 .cse18 .cse16 .cse14 .cse11 .cse2) (or .cse0 .cse14 .cse2 .cse17 .cse3) (or .cse12 .cse1 .cse13 .cse11 .cse2 .cse15 .cse3) (or (and .cse19 .cse6 .cse7 .cse8 .cse9) .cse16 .cse10 .cse11 .cse2)))) [2023-11-19 07:41:31,288 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-11-19 07:41:31,289 INFO L899 garLoopResultBuilder]: For program point L710(line 710) no Hoare annotation was computed. [2023-11-19 07:41:31,289 INFO L895 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 0))) (let ((.cse1 (and .cse13 (= 2 ~waterLevel~0))) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse12 (and .cse13 (= ~waterLevel~0 0))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse11 (not (= |old(~waterLevel~0)| 0))) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (and .cse13 (= ~waterLevel~0 1))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse3) (or .cse6 .cse7 .cse9 .cse3 .cse4) (or .cse0 .cse6 .cse10 .cse3 .cse4) (or .cse0 .cse1 .cse8 .cse2 .cse3) (or .cse5 .cse7 .cse8 .cse11 .cse9 .cse3) (or .cse0 .cse12 .cse11 .cse3 .cse4) (or .cse8 .cse2 .cse9 .cse3) (or .cse0 .cse12 .cse8 .cse11 .cse3) (or .cse2 .cse9 .cse3 .cse4) (or .cse7 .cse11 .cse9 .cse3 .cse4) (or .cse0 .cse6 .cse8 .cse10 .cse3)))) [2023-11-19 07:41:31,289 INFO L899 garLoopResultBuilder]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2023-11-19 07:41:31,289 INFO L899 garLoopResultBuilder]: For program point L735-1(lines 735 741) no Hoare annotation was computed. [2023-11-19 07:41:31,290 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 706 713) no Hoare annotation was computed. [2023-11-19 07:41:31,290 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 721 747) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse15 (= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse21 (= 2 ~waterLevel~0)) (.cse13 (= |old(~pumpRunning~0)| 0)) (.cse14 (not .cse2)) (.cse20 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (= ~waterLevel~0 0))) (let ((.cse1 (not (= |old(~waterLevel~0)| 0))) (.cse9 (and .cse20 .cse4 .cse5)) (.cse17 (and .cse3 .cse21 .cse4 .cse13 .cse14)) (.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse11 (and .cse20 .cse4 .cse15)) (.cse16 (< 2 |old(~waterLevel~0)|)) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not .cse13)) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse19 (and .cse20 .cse21 .cse4)) (.cse18 (not (= |old(~waterLevel~0)| 2))) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) .cse6) (or .cse7 .cse1 .cse8 .cse2 .cse6 .cse9) (or .cse10 .cse7 .cse11 .cse8 .cse2 .cse6) (or .cse0 .cse12 (and .cse3 .cse4 .cse13 .cse5 .cse14) .cse1 .cse2) (or .cse0 (and .cse3 .cse4 .cse13 .cse15 .cse14) .cse10 .cse12 .cse2) (or .cse7 .cse12 .cse1 .cse8 .cse2 .cse16 .cse9) (or .cse17 .cse0 .cse18 .cse2 .cse6) (or .cse17 .cse0 .cse12 .cse18 .cse2) (or .cse10 .cse7 .cse11 .cse12 .cse8 .cse2 .cse16) (or .cse12 .cse19 .cse18 .cse8 .cse2) (or (and .cse3 .cse4 .cse15) .cse0 .cse10 .cse2 .cse6) (or .cse19 .cse18 .cse8 .cse2 .cse6))))) [2023-11-19 07:41:31,290 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 587) no Hoare annotation was computed. [2023-11-19 07:41:31,290 INFO L899 garLoopResultBuilder]: For program point L583-2(lines 579 590) no Hoare annotation was computed. [2023-11-19 07:41:31,291 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse15 (= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse21 (= 2 ~waterLevel~0)) (.cse13 (= |old(~pumpRunning~0)| 0)) (.cse14 (not .cse2)) (.cse20 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (= ~waterLevel~0 0))) (let ((.cse1 (not (= |old(~waterLevel~0)| 0))) (.cse9 (and .cse20 .cse4 .cse5)) (.cse17 (and .cse3 .cse21 .cse4 .cse13 .cse14)) (.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse11 (and .cse20 .cse4 .cse15)) (.cse16 (< 2 |old(~waterLevel~0)|)) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not .cse13)) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse19 (and .cse20 .cse21 .cse4)) (.cse18 (not (= |old(~waterLevel~0)| 2))) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) .cse6) (or .cse7 .cse1 .cse8 .cse2 .cse6 .cse9) (or .cse10 .cse7 .cse11 .cse8 .cse2 .cse6) (or .cse0 .cse12 (and .cse3 .cse4 .cse13 .cse5 .cse14) .cse1 .cse2) (or .cse0 (and .cse3 .cse4 .cse13 .cse15 .cse14) .cse10 .cse12 .cse2) (or .cse7 .cse12 .cse1 .cse8 .cse2 .cse16 .cse9) (or .cse17 .cse0 .cse18 .cse2 .cse6) (or .cse17 .cse0 .cse12 .cse18 .cse2) (or .cse10 .cse7 .cse11 .cse12 .cse8 .cse2 .cse16) (or .cse12 .cse19 .cse18 .cse8 .cse2) (or (and .cse3 .cse4 .cse15) .cse0 .cse10 .cse2 .cse6) (or .cse19 .cse18 .cse8 .cse2 .cse6))))) [2023-11-19 07:41:31,291 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-11-19 07:41:31,291 INFO L899 garLoopResultBuilder]: For program point deactivatePump_returnLabel#1(lines 832 839) no Hoare annotation was computed. [2023-11-19 07:41:31,291 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 734) no Hoare annotation was computed. [2023-11-19 07:41:31,291 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 724 746) no Hoare annotation was computed. [2023-11-19 07:41:31,292 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 798) no Hoare annotation was computed. [2023-11-19 07:41:31,292 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-11-19 07:41:31,292 INFO L899 garLoopResultBuilder]: For program point L786(lines 786 803) no Hoare annotation was computed. [2023-11-19 07:41:31,292 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 62 71) no Hoare annotation was computed. [2023-11-19 07:41:31,292 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-11-19 07:41:31,292 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-11-19 07:41:31,292 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 721 747) no Hoare annotation was computed. [2023-11-19 07:41:31,293 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 710) no Hoare annotation was computed. [2023-11-19 07:41:31,293 INFO L899 garLoopResultBuilder]: For program point L129(lines 104 133) no Hoare annotation was computed. [2023-11-19 07:41:31,293 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 104 133) no Hoare annotation was computed. [2023-11-19 07:41:31,293 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-11-19 07:41:31,293 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2023-11-19 07:41:31,293 INFO L902 garLoopResultBuilder]: At program point L118-1(lines 118 122) the Hoare annotation is: true [2023-11-19 07:41:31,294 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2023-11-19 07:41:31,294 INFO L902 garLoopResultBuilder]: At program point L114-2(lines 114 128) the Hoare annotation is: true [2023-11-19 07:41:31,294 INFO L902 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: true [2023-11-19 07:41:31,294 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2023-11-19 07:41:31,294 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 104 133) the Hoare annotation is: true [2023-11-19 07:41:31,295 INFO L895 garLoopResultBuilder]: At program point L956(line 956) the Hoare annotation is: (let ((.cse10 (= ~waterLevel~0 1)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= ~waterLevel~0 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse3 .cse4 .cse5 .cse8 .cse6) (and .cse7 .cse9 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse9 .cse3 .cse4 .cse5 .cse10 .cse6) (and .cse7 .cse2 .cse3 .cse4 .cse5 .cse10 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse10 .cse11 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse11 .cse8 .cse6) (and .cse7 .cse9 .cse3 .cse4 .cse5 .cse8 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2023-11-19 07:41:31,295 INFO L899 garLoopResultBuilder]: For program point startSystem_returnLabel#1(lines 915 922) no Hoare annotation was computed. [2023-11-19 07:41:31,295 INFO L899 garLoopResultBuilder]: For program point L985(lines 924 989) no Hoare annotation was computed. [2023-11-19 07:41:31,295 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 950) no Hoare annotation was computed. [2023-11-19 07:41:31,295 INFO L899 garLoopResultBuilder]: For program point L944-1(lines 944 950) no Hoare annotation was computed. [2023-11-19 07:41:31,295 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 169 179) no Hoare annotation was computed. [2023-11-19 07:41:31,295 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 682 688) no Hoare annotation was computed. [2023-11-19 07:41:31,296 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 183 205) no Hoare annotation was computed. [2023-11-19 07:41:31,296 INFO L899 garLoopResultBuilder]: For program point L936(lines 936 940) no Hoare annotation was computed. [2023-11-19 07:41:31,296 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 200) no Hoare annotation was computed. [2023-11-19 07:41:31,296 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:41:31,296 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 193 200) no Hoare annotation was computed. [2023-11-19 07:41:31,296 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:41:31,297 INFO L895 garLoopResultBuilder]: At program point L982(lines 933 983) the Hoare annotation is: false [2023-11-19 07:41:31,297 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 161 167) no Hoare annotation was computed. [2023-11-19 07:41:31,297 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:41:31,297 INFO L899 garLoopResultBuilder]: For program point L954(lines 954 960) no Hoare annotation was computed. [2023-11-19 07:41:31,297 INFO L899 garLoopResultBuilder]: For program point L954-1(lines 954 960) no Hoare annotation was computed. [2023-11-19 07:41:31,297 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 54 61) no Hoare annotation was computed. [2023-11-19 07:41:31,298 INFO L895 garLoopResultBuilder]: At program point L979(lines 934 981) the Hoare annotation is: (let ((.cse10 (= ~waterLevel~0 1)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= ~waterLevel~0 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse3 .cse4 .cse5 .cse8 .cse6) (and .cse7 .cse9 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse9 .cse3 .cse4 .cse5 .cse10 .cse6) (and .cse7 .cse2 .cse3 .cse4 .cse5 .cse10 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse10 .cse11 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse11 .cse8 .cse6) (and .cse7 .cse9 .cse3 .cse4 .cse5 .cse8 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2023-11-19 07:41:31,298 INFO L895 garLoopResultBuilder]: At program point L946(line 946) the Hoare annotation is: (let ((.cse10 (= ~waterLevel~0 1)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse8 (= ~waterLevel~0 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse3 .cse4 .cse5 .cse8 .cse6) (and .cse7 .cse9 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse9 .cse3 .cse4 .cse5 .cse10 .cse6) (and .cse7 .cse2 .cse3 .cse4 .cse5 .cse10 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse10 .cse11 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse11 .cse8 .cse6) (and .cse7 .cse9 .cse3 .cse4 .cse5 .cse8 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2023-11-19 07:41:31,298 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:41:31,298 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 689 695) no Hoare annotation was computed. [2023-11-19 07:41:31,298 INFO L899 garLoopResultBuilder]: For program point L972(lines 972 976) no Hoare annotation was computed. [2023-11-19 07:41:31,298 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 696 704) no Hoare annotation was computed. [2023-11-19 07:41:31,299 INFO L895 garLoopResultBuilder]: At program point L972-2(lines 964 977) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse11 (= ~waterLevel~0 1)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~waterLevel~0 0)) (.cse10 (= ~pumpRunning~0 0)) (.cse8 (= 2 ~waterLevel~0)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse7 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse2 .cse3 .cse4 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse3 .cse4 .cse7) (and .cse10 .cse9 .cse2 .cse3 .cse4 .cse6 .cse7) (and .cse10 .cse1 .cse8 .cse2 .cse3 .cse4 .cse7) (and .cse10 .cse1 .cse2 .cse3 .cse4 .cse11 .cse7) (and .cse10 .cse9 .cse2 .cse3 .cse4 .cse11 .cse7) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse11 .cse5 .cse7) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse11 .cse5 .cse7) (and .cse10 .cse1 .cse2 .cse3 .cse4 .cse6 .cse7) (and .cse10 .cse8 .cse9 .cse2 .cse3 .cse4 .cse7))) [2023-11-19 07:41:31,299 INFO L899 garLoopResultBuilder]: For program point L935(lines 934 981) no Hoare annotation was computed. [2023-11-19 07:41:31,299 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 977) no Hoare annotation was computed. [2023-11-19 07:41:31,299 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 591 602) no Hoare annotation was computed. [2023-11-19 07:41:31,300 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 591 602) the Hoare annotation is: (let ((.cse1 (< ~switchedOnBeforeTS~0 1)) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 0))) (.cse5 (= ~waterLevel~0 0)) (.cse0 (< ~pumpRunning~0 1)) (.cse10 (= 2 ~waterLevel~0)) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= ~pumpRunning~0 0))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0)) (.cse8 (= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse8 .cse9) (or .cse6 .cse10 .cse2 .cse11 .cse4) (or .cse6 .cse3 .cse4 .cse5 .cse9) (or .cse0 .cse7 .cse1 .cse2 .cse4 .cse8) (or .cse6 .cse10 .cse11 .cse4 .cse9) (or .cse6 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse10 .cse2 .cse11 .cse4) (or .cse6 .cse7 .cse2 .cse4 .cse8))) [2023-11-19 07:41:31,300 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 591 602) no Hoare annotation was computed. [2023-11-19 07:41:31,300 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 772) no Hoare annotation was computed. [2023-11-19 07:41:31,300 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 777) no Hoare annotation was computed. [2023-11-19 07:41:31,300 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 828) no Hoare annotation was computed. [2023-11-19 07:41:31,301 INFO L895 garLoopResultBuilder]: At program point L820(line 820) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 2 ~waterLevel~0))) (.cse6 (< ~switchedOnBeforeTS~0 1)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse8 (not (= ~waterLevel~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= 0 ~systemActive~0)) (.cse9 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7 .cse4) (or .cse0 .cse8 .cse4 .cse9) (or .cse0 .cse1 .cse2 .cse4 .cse9) (or .cse8 .cse6 .cse3 .cse7 .cse4) (or .cse0 .cse8 .cse3 .cse4) (or .cse5 .cse0 .cse4 .cse9))) [2023-11-19 07:41:31,301 INFO L899 garLoopResultBuilder]: For program point L822-2(lines 815 831) no Hoare annotation was computed. [2023-11-19 07:41:31,301 INFO L899 garLoopResultBuilder]: For program point L820-1(line 820) no Hoare annotation was computed. [2023-11-19 07:41:31,301 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensor_returnLabel#1(lines 807 814) no Hoare annotation was computed. [2023-11-19 07:41:31,301 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 756 780) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (< ~switchedOnBeforeTS~0 1)) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= 2 ~waterLevel~0))) (.cse10 (not (= ~waterLevel~0 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse4 .cse6) (or .cse5 .cse7 .cse8 .cse3 .cse9 .cse4) (or .cse0 .cse1 .cse10 .cse3 .cse4) (or .cse7 .cse10 .cse8 .cse3 .cse9 .cse4) (or .cse0 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse1 .cse10 .cse4 .cse6) (or .cse5 .cse0 .cse1 .cse3 .cse4))) [2023-11-19 07:41:31,301 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 909) no Hoare annotation was computed. [2023-11-19 07:41:31,302 INFO L899 garLoopResultBuilder]: For program point L905-2(lines 905 909) no Hoare annotation was computed. [2023-11-19 07:41:31,302 INFO L895 garLoopResultBuilder]: At program point L775(line 775) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (< ~switchedOnBeforeTS~0 1)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse8 (not (= ~waterLevel~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse0 (not (= ~waterLevel~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= 0 ~systemActive~0)) (.cse9 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse0 .cse5 .cse6 .cse2 .cse7 .cse3) (or .cse1 .cse8 .cse3 .cse9) (or .cse5 .cse8 .cse6 .cse2 .cse7 .cse3) (or .cse1 .cse8 .cse2 .cse3) (or .cse1 .cse4 .cse3 .cse9) (or .cse0 .cse1 .cse3 .cse9))) [2023-11-19 07:41:31,302 INFO L899 garLoopResultBuilder]: For program point L775-1(lines 756 780) no Hoare annotation was computed. [2023-11-19 07:41:31,302 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 656 669) no Hoare annotation was computed. [2023-11-19 07:41:31,302 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevel_returnLabel#1(lines 896 914) no Hoare annotation was computed. [2023-11-19 07:41:31,302 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 666) no Hoare annotation was computed. [2023-11-19 07:41:31,303 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 756 780) no Hoare annotation was computed. [2023-11-19 07:41:31,303 INFO L895 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse10 (= |old(~pumpRunning~0)| 0))) (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~waterLevel~0 0))) (.cse8 (< ~switchedOnBeforeTS~0 1)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse0 (not .cse10)) (.cse7 (not (= 2 ~waterLevel~0))) (.cse2 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| 0) .cse10 (not .cse3))) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse2 .cse3) (or .cse0 .cse7 .cse6 .cse2 .cse3) (or .cse0 .cse1 .cse6 .cse2 .cse3) (or .cse5 .cse8 .cse6 .cse9 .cse3) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse1 .cse8 .cse6 .cse9 .cse3) (or .cse0 .cse7 .cse2 .cse3 .cse4)))) [2023-11-19 07:41:31,303 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 851 859) no Hoare annotation was computed. [2023-11-19 07:41:31,303 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 851 859) no Hoare annotation was computed. [2023-11-19 07:41:31,303 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 851 859) the Hoare annotation is: true [2023-11-19 07:41:31,304 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCritical_returnLabel#1(lines 615 623) no Hoare annotation was computed. [2023-11-19 07:41:31,304 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 840 850) no Hoare annotation was computed. [2023-11-19 07:41:31,304 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 840 850) the Hoare annotation is: true [2023-11-19 07:41:31,304 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 840 850) no Hoare annotation was computed. [2023-11-19 07:41:31,307 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:31,309 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:41:31,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:41:31 BoogieIcfgContainer [2023-11-19 07:41:31,331 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:41:31,332 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:41:31,332 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:41:31,332 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:41:31,333 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:54" (3/4) ... [2023-11-19 07:41:31,335 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:41:31,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-19 07:41:31,340 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 07:41:31,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 07:41:31,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 07:41:31,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 07:41:31,341 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-19 07:41:31,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-19 07:41:31,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-19 07:41:31,351 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-19 07:41:31,352 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 07:41:31,352 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:41:31,353 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:41:31,354 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:41:31,384 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive))) || (((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (waterLevel == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive)))) || ((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && !((0 == systemActive)))) || ((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (waterLevel == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive)))) [2023-11-19 07:41:31,418 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive))) || (((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (waterLevel == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive)))) || ((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && !((0 == systemActive)))) || ((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (waterLevel == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive)))) [2023-11-19 07:41:31,471 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:41:31,472 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:41:31,472 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:41:31,473 INFO L158 Benchmark]: Toolchain (without parser) took 37829.15ms. Allocated memory was 155.2MB in the beginning and 400.6MB in the end (delta: 245.4MB). Free memory was 114.9MB in the beginning and 209.8MB in the end (delta: -94.9MB). Peak memory consumption was 151.9MB. Max. memory is 16.1GB. [2023-11-19 07:41:31,473 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:41:31,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.79ms. Allocated memory is still 155.2MB. Free memory was 114.9MB in the beginning and 95.5MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:41:31,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.41ms. Allocated memory is still 155.2MB. Free memory was 95.5MB in the beginning and 93.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:41:31,475 INFO L158 Benchmark]: Boogie Preprocessor took 65.60ms. Allocated memory is still 155.2MB. Free memory was 93.2MB in the beginning and 91.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:41:31,475 INFO L158 Benchmark]: RCFGBuilder took 464.68ms. Allocated memory is still 155.2MB. Free memory was 91.8MB in the beginning and 74.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:41:31,475 INFO L158 Benchmark]: TraceAbstraction took 36518.80ms. Allocated memory was 155.2MB in the beginning and 400.6MB in the end (delta: 245.4MB). Free memory was 73.9MB in the beginning and 217.1MB in the end (delta: -143.2MB). Peak memory consumption was 193.8MB. Max. memory is 16.1GB. [2023-11-19 07:41:31,476 INFO L158 Benchmark]: Witness Printer took 140.11ms. Allocated memory is still 400.6MB. Free memory was 217.1MB in the beginning and 209.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:41:31,478 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.79ms. Allocated memory is still 155.2MB. Free memory was 114.9MB in the beginning and 95.5MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.41ms. Allocated memory is still 155.2MB. Free memory was 95.5MB in the beginning and 93.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.60ms. Allocated memory is still 155.2MB. Free memory was 93.2MB in the beginning and 91.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 464.68ms. Allocated memory is still 155.2MB. Free memory was 91.8MB in the beginning and 74.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 36518.80ms. Allocated memory was 155.2MB in the beginning and 400.6MB in the end (delta: 245.4MB). Free memory was 73.9MB in the beginning and 217.1MB in the end (delta: -143.2MB). Peak memory consumption was 193.8MB. Max. memory is 16.1GB. * Witness Printer took 140.11ms. Allocated memory is still 400.6MB. Free memory was 217.1MB in the beginning and 209.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [101] - GenericResultAtLocation [Line: 206]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [206] - GenericResultAtLocation [Line: 572]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [572] - GenericResultAtLocation [Line: 670]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [670] - GenericResultAtLocation [Line: 705]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [705] - GenericResultAtLocation [Line: 714]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [714] - GenericResultAtLocation [Line: 923]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [923] * 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: 710]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.4s, OverallIterations: 14, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6305 SdHoareTripleChecker+Valid, 8.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6264 mSDsluCounter, 8136 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6734 mSDsCounter, 2114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13886 IncrementalHoareTripleChecker+Invalid, 16000 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2114 mSolverCounterUnsat, 1402 mSDtfsCounter, 13886 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2678 GetRequests, 2266 SyntacticMatches, 24 SemanticMatches, 388 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5514 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1289occurred in iteration=13, InterpolantAutomatonStates: 296, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 494 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 1708 PreInvPairs, 1858 NumberOfFragments, 3739 HoareAnnotationTreeSize, 1708 FomulaSimplifications, 18984 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 20861 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 2443 NumberOfCodeBlocks, 2443 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3416 ConstructedInterpolants, 0 QuantifiedInterpolants, 8127 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2985 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 24 InterpolantComputations, 9 PerfectInterpolantSequences, 3126/3750 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: 933]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: (((((((((((((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive))) || (((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (waterLevel == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (waterLevel == 1)) && !((0 == systemActive)))) || ((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && !((0 == systemActive)))) || ((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && (waterLevel == 0)) && !((0 == systemActive)))) || (((((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (\result == 1)) && (splverifierCounter == 0)) && (tmp == 1)) && !((0 == systemActive)))) RESULT: Ultimate proved your program to be correct! [2023-11-19 07:41:31,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d44bd6-1ca9-4fe4-af7e-ca02ac1bf734/bin/uautomizer-verify-uCwYo4JHxu/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