./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.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_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/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_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/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_1bb9c772-d140-452b-9369-cd6d2bb58c5f/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 9cfe95aaca007f6467395901a9efc89e5ad27f0fc32ae7ae8a1fe4e27a1f35c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:57:07,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:57:07,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:57:07,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:57:07,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:57:07,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:57:07,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:57:07,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:57:07,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:57:07,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:57:07,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:57:07,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:57:07,357 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:57:07,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:57:07,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:57:07,360 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:57:07,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:57:07,361 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:57:07,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:57:07,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:57:07,362 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:57:07,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:57:07,364 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:57:07,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:57:07,365 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:57:07,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:57:07,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:57:07,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:57:07,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:57:07,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:57:07,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:57:07,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:57:07,370 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:57:07,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:57:07,370 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:57:07,371 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:57:07,371 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:57:07,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:57:07,372 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:57:07,372 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_1bb9c772-d140-452b-9369-cd6d2bb58c5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cfe95aaca007f6467395901a9efc89e5ad27f0fc32ae7ae8a1fe4e27a1f35c1 [2023-11-19 07:57:07,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:57:07,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:57:07,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:57:07,731 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:57:07,731 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:57:07,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2023-11-19 07:57:10,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:57:11,290 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:57:11,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2023-11-19 07:57:11,306 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/data/cbcc9c66d/3369b6d940684c5090de325c43340392/FLAGd8dc68688 [2023-11-19 07:57:11,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/data/cbcc9c66d/3369b6d940684c5090de325c43340392 [2023-11-19 07:57:11,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:57:11,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:57:11,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:57:11,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:57:11,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:57:11,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:11" (1/1) ... [2023-11-19 07:57:11,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6563fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:11, skipping insertion in model container [2023-11-19 07:57:11,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:11" (1/1) ... [2023-11-19 07:57:11,383 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:57:11,550 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_1bb9c772-d140-452b-9369-cd6d2bb58c5f/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1605,1618] [2023-11-19 07:57:11,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:57:11,684 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:57:11,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-19 07:57:11,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] [2023-11-19 07:57:11,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [279] [2023-11-19 07:57:11,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [349] [2023-11-19 07:57:11,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [453] [2023-11-19 07:57:11,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [819] [2023-11-19 07:57:11,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [868] [2023-11-19 07:57:11,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [906] [2023-11-19 07:57:11,708 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_1bb9c772-d140-452b-9369-cd6d2bb58c5f/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1605,1618] [2023-11-19 07:57:11,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:57:11,848 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:57:11,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:11 WrapperNode [2023-11-19 07:57:11,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:57:11,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:57:11,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:57:11,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:57:11,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:11" (1/1) ... [2023-11-19 07:57:11,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:11" (1/1) ... [2023-11-19 07:57:11,927 INFO L138 Inliner]: procedures = 58, calls = 102, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 212 [2023-11-19 07:57:11,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:57:11,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:57:11,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:57:11,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:57:11,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:11" (1/1) ... [2023-11-19 07:57:11,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:11" (1/1) ... [2023-11-19 07:57:11,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:11" (1/1) ... [2023-11-19 07:57:11,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:11" (1/1) ... [2023-11-19 07:57:11,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:11" (1/1) ... [2023-11-19 07:57:11,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:11" (1/1) ... [2023-11-19 07:57:11,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:11" (1/1) ... [2023-11-19 07:57:11,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:11" (1/1) ... [2023-11-19 07:57:11,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:57:11,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:57:11,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:57:11,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:57:11,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:11" (1/1) ... [2023-11-19 07:57:11,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:57:12,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:12,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:12,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:57:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:57:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 07:57:12,092 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 07:57:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 07:57:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 07:57:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 07:57:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 07:57:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 07:57:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 07:57:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 07:57:12,095 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 07:57:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-19 07:57:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-19 07:57:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:57:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 07:57:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 07:57:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:57:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:57:12,193 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:57:12,196 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:57:12,518 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:57:12,529 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:57:12,529 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:57:12,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:12 BoogieIcfgContainer [2023-11-19 07:57:12,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:57:12,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:57:12,553 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:57:12,557 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:57:12,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:57:11" (1/3) ... [2023-11-19 07:57:12,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e1b1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:12, skipping insertion in model container [2023-11-19 07:57:12,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:11" (2/3) ... [2023-11-19 07:57:12,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27e1b1f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:12, skipping insertion in model container [2023-11-19 07:57:12,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:12" (3/3) ... [2023-11-19 07:57:12,560 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2023-11-19 07:57:12,579 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:57:12,579 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:57:12,628 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:57:12,635 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;@793e6476, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:57:12,635 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:57:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 07:57:12,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 07:57:12,658 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:12,659 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 07:57:12,660 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:12,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:12,666 INFO L85 PathProgramCache]: Analyzing trace with hash 58300630, now seen corresponding path program 1 times [2023-11-19 07:57:12,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:12,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574394266] [2023-11-19 07:57:12,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:12,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:12,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 07:57:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:12,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:57:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:13,004 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 07:57:13,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:13,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574394266] [2023-11-19 07:57:13,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574394266] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:13,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:13,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:57:13,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141023324] [2023-11-19 07:57:13,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:13,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:57:13,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:13,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:57:13,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:57:13,070 INFO L87 Difference]: Start difference. First operand has 93 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) 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 07:57:13,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:13,135 INFO L93 Difference]: Finished difference Result 177 states and 240 transitions. [2023-11-19 07:57:13,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:57:13,138 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 07:57:13,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:13,149 INFO L225 Difference]: With dead ends: 177 [2023-11-19 07:57:13,149 INFO L226 Difference]: Without dead ends: 84 [2023-11-19 07:57:13,154 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 07:57:13,159 INFO L413 NwaCegarLoop]: 117 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, 117 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 07:57:13,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:57:13,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-19 07:57:13,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-19 07:57:13,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 72 states have internal predecessors, (85), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 07:57:13,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2023-11-19 07:57:13,220 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 32 [2023-11-19 07:57:13,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:13,222 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2023-11-19 07:57:13,222 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 07:57:13,223 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2023-11-19 07:57:13,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 07:57:13,229 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:13,229 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 07:57:13,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:57:13,230 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:13,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:13,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1182453555, now seen corresponding path program 1 times [2023-11-19 07:57:13,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:13,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058658475] [2023-11-19 07:57:13,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:13,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:13,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:57:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:13,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:57:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:13,439 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 07:57:13,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:13,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058658475] [2023-11-19 07:57:13,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058658475] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:13,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:13,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:57:13,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262320797] [2023-11-19 07:57:13,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:13,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:57:13,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:13,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:57:13,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:13,449 INFO L87 Difference]: Start difference. First operand 84 states and 108 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 07:57:13,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:13,475 INFO L93 Difference]: Finished difference Result 132 states and 170 transitions. [2023-11-19 07:57:13,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:57:13,476 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 07:57:13,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:13,479 INFO L225 Difference]: With dead ends: 132 [2023-11-19 07:57:13,479 INFO L226 Difference]: Without dead ends: 75 [2023-11-19 07:57:13,487 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 07:57:13,489 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 13 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 173 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 07:57:13,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 173 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:57:13,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-19 07:57:13,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-19 07:57:13,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 66 states have internal predecessors, (78), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 07:57:13,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2023-11-19 07:57:13,518 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 33 [2023-11-19 07:57:13,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:13,519 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2023-11-19 07:57:13,519 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 07:57:13,520 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2023-11-19 07:57:13,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 07:57:13,522 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:13,523 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:13,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:57:13,523 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:13,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:13,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1082286122, now seen corresponding path program 1 times [2023-11-19 07:57:13,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:13,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802033698] [2023-11-19 07:57:13,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:13,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:13,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:57:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:13,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 07:57:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:13,771 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 07:57:13,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:13,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802033698] [2023-11-19 07:57:13,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802033698] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:13,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:13,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:57:13,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177141152] [2023-11-19 07:57:13,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:13,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:57:13,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:13,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:57:13,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:57:13,774 INFO L87 Difference]: Start difference. First operand 75 states and 96 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 07:57:13,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:13,891 INFO L93 Difference]: Finished difference Result 142 states and 185 transitions. [2023-11-19 07:57:13,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:57:13,892 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 07:57:13,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:13,893 INFO L225 Difference]: With dead ends: 142 [2023-11-19 07:57:13,894 INFO L226 Difference]: Without dead ends: 75 [2023-11-19 07:57:13,894 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 07:57:13,896 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 119 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:13,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 233 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:57:13,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-19 07:57:13,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-19 07:57:13,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.305084745762712) internal successors, (77), 66 states have internal predecessors, (77), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 07:57:13,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2023-11-19 07:57:13,907 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 38 [2023-11-19 07:57:13,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:13,908 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2023-11-19 07:57:13,908 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 07:57:13,909 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2023-11-19 07:57:13,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 07:57:13,910 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:13,911 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 07:57:13,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:57:13,911 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:13,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:13,912 INFO L85 PathProgramCache]: Analyzing trace with hash 605778703, now seen corresponding path program 1 times [2023-11-19 07:57:13,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:13,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855834468] [2023-11-19 07:57:13,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:13,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:13,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:57:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:13,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:57:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:14,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:57:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:14,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:57:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:14,006 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 07:57:14,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:14,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855834468] [2023-11-19 07:57:14,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855834468] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:14,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:14,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:57:14,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181790584] [2023-11-19 07:57:14,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:14,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:57:14,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:14,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:57:14,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:57:14,010 INFO L87 Difference]: Start difference. First operand 75 states and 95 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 07:57:14,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:14,215 INFO L93 Difference]: Finished difference Result 221 states and 282 transitions. [2023-11-19 07:57:14,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:57:14,216 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 07:57:14,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:14,219 INFO L225 Difference]: With dead ends: 221 [2023-11-19 07:57:14,219 INFO L226 Difference]: Without dead ends: 154 [2023-11-19 07:57:14,220 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 07:57:14,221 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 195 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:14,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 304 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:57:14,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-19 07:57:14,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 148. [2023-11-19 07:57:14,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 115 states have (on average 1.2695652173913043) internal successors, (146), 122 states have internal predecessors, (146), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2023-11-19 07:57:14,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 183 transitions. [2023-11-19 07:57:14,243 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 183 transitions. Word has length 48 [2023-11-19 07:57:14,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:14,243 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 183 transitions. [2023-11-19 07:57:14,244 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 07:57:14,244 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 183 transitions. [2023-11-19 07:57:14,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 07:57:14,246 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:14,246 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] [2023-11-19 07:57:14,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:57:14,247 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:14,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:14,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1075912719, now seen corresponding path program 1 times [2023-11-19 07:57:14,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:14,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238741427] [2023-11-19 07:57:14,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:14,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:14,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:57:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:14,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:57:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:14,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:57:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:14,420 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 07:57:14,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:14,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238741427] [2023-11-19 07:57:14,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238741427] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:14,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:14,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:57:14,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992112583] [2023-11-19 07:57:14,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:14,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:57:14,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:14,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:57:14,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:57:14,423 INFO L87 Difference]: Start difference. First operand 148 states and 183 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:57:14,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:14,570 INFO L93 Difference]: Finished difference Result 296 states and 370 transitions. [2023-11-19 07:57:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:57:14,571 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2023-11-19 07:57:14,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:14,573 INFO L225 Difference]: With dead ends: 296 [2023-11-19 07:57:14,573 INFO L226 Difference]: Without dead ends: 156 [2023-11-19 07:57:14,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 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 07:57:14,575 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 63 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:14,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 382 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:57:14,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-11-19 07:57:14,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 151. [2023-11-19 07:57:14,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 125 states have internal predecessors, (149), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2023-11-19 07:57:14,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 186 transitions. [2023-11-19 07:57:14,595 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 186 transitions. Word has length 52 [2023-11-19 07:57:14,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:14,596 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 186 transitions. [2023-11-19 07:57:14,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:57:14,597 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2023-11-19 07:57:14,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 07:57:14,598 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:14,598 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] [2023-11-19 07:57:14,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:57:14,599 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:14,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:14,600 INFO L85 PathProgramCache]: Analyzing trace with hash -613031023, now seen corresponding path program 1 times [2023-11-19 07:57:14,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:14,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564229860] [2023-11-19 07:57:14,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:14,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:14,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:57:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:14,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:57:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:14,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:57:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:14,712 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 07:57:14,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:14,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564229860] [2023-11-19 07:57:14,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564229860] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:14,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:14,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:57:14,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835879053] [2023-11-19 07:57:14,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:14,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:57:14,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:14,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:57:14,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:57:14,716 INFO L87 Difference]: Start difference. First operand 151 states and 186 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:57:14,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:14,828 INFO L93 Difference]: Finished difference Result 304 states and 381 transitions. [2023-11-19 07:57:14,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:57:14,829 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2023-11-19 07:57:14,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:14,831 INFO L225 Difference]: With dead ends: 304 [2023-11-19 07:57:14,831 INFO L226 Difference]: Without dead ends: 161 [2023-11-19 07:57:14,832 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 07:57:14,833 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 65 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:14,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 299 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:57:14,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2023-11-19 07:57:14,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 153. [2023-11-19 07:57:14,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 120 states have (on average 1.2583333333333333) internal successors, (151), 127 states have internal predecessors, (151), 16 states have call successors, (16), 13 states have call predecessors, (16), 16 states have return successors, (21), 17 states have call predecessors, (21), 16 states have call successors, (21) [2023-11-19 07:57:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 188 transitions. [2023-11-19 07:57:14,852 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 188 transitions. Word has length 52 [2023-11-19 07:57:14,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:14,852 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 188 transitions. [2023-11-19 07:57:14,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:57:14,853 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 188 transitions. [2023-11-19 07:57:14,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 07:57:14,854 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:14,855 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] [2023-11-19 07:57:14,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:57:14,855 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:14,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:14,856 INFO L85 PathProgramCache]: Analyzing trace with hash -190329197, now seen corresponding path program 1 times [2023-11-19 07:57:14,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:14,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223315246] [2023-11-19 07:57:14,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:14,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:14,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:57:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:14,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:57:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:14,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 07:57:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:14,981 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 07:57:14,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:14,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223315246] [2023-11-19 07:57:14,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223315246] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:14,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:14,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:57:14,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746845469] [2023-11-19 07:57:14,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:14,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:57:14,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:14,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:57:14,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:57:14,986 INFO L87 Difference]: Start difference. First operand 153 states and 188 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:57:15,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:15,212 INFO L93 Difference]: Finished difference Result 438 states and 558 transitions. [2023-11-19 07:57:15,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:57:15,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2023-11-19 07:57:15,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:15,216 INFO L225 Difference]: With dead ends: 438 [2023-11-19 07:57:15,217 INFO L226 Difference]: Without dead ends: 293 [2023-11-19 07:57:15,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:57:15,219 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 213 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:15,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 305 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:57:15,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2023-11-19 07:57:15,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 285. [2023-11-19 07:57:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 220 states have (on average 1.240909090909091) internal successors, (273), 231 states have internal predecessors, (273), 34 states have call successors, (34), 29 states have call predecessors, (34), 30 states have return successors, (49), 34 states have call predecessors, (49), 34 states have call successors, (49) [2023-11-19 07:57:15,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 356 transitions. [2023-11-19 07:57:15,253 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 356 transitions. Word has length 52 [2023-11-19 07:57:15,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:15,253 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 356 transitions. [2023-11-19 07:57:15,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:57:15,254 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 356 transitions. [2023-11-19 07:57:15,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 07:57:15,256 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:15,256 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 07:57:15,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:57:15,257 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:15,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:15,258 INFO L85 PathProgramCache]: Analyzing trace with hash 2088078071, now seen corresponding path program 1 times [2023-11-19 07:57:15,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:15,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750639007] [2023-11-19 07:57:15,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:15,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:15,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:57:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:15,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:57:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:15,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:57:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:15,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-19 07:57:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:15,375 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 07:57:15,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:15,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750639007] [2023-11-19 07:57:15,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750639007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:15,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:15,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:57:15,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299493272] [2023-11-19 07:57:15,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:15,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:57:15,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:15,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:57:15,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:57:15,378 INFO L87 Difference]: Start difference. First operand 285 states and 356 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 07:57:15,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:15,600 INFO L93 Difference]: Finished difference Result 566 states and 712 transitions. [2023-11-19 07:57:15,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 07:57:15,601 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 07:57:15,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:15,612 INFO L225 Difference]: With dead ends: 566 [2023-11-19 07:57:15,612 INFO L226 Difference]: Without dead ends: 289 [2023-11-19 07:57:15,614 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 07:57:15,614 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 127 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:15,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 395 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:57:15,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2023-11-19 07:57:15,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 281. [2023-11-19 07:57:15,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 216 states have (on average 1.2083333333333333) internal successors, (261), 227 states have internal predecessors, (261), 34 states have call successors, (34), 29 states have call predecessors, (34), 30 states have return successors, (49), 34 states have call predecessors, (49), 34 states have call successors, (49) [2023-11-19 07:57:15,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 344 transitions. [2023-11-19 07:57:15,650 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 344 transitions. Word has length 54 [2023-11-19 07:57:15,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:15,651 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 344 transitions. [2023-11-19 07:57:15,651 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 07:57:15,651 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 344 transitions. [2023-11-19 07:57:15,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 07:57:15,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:15,653 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] [2023-11-19 07:57:15,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:57:15,653 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:15,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:15,654 INFO L85 PathProgramCache]: Analyzing trace with hash -312737299, now seen corresponding path program 1 times [2023-11-19 07:57:15,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:15,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730889986] [2023-11-19 07:57:15,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:15,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:15,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:57:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:15,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:57:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:15,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:57:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:15,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-19 07:57:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:15,851 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 07:57:15,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:15,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730889986] [2023-11-19 07:57:15,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730889986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:15,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:15,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:57:15,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644811871] [2023-11-19 07:57:15,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:15,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:57:15,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:15,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:57:15,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:57:15,857 INFO L87 Difference]: Start difference. First operand 281 states and 344 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-19 07:57:16,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:16,457 INFO L93 Difference]: Finished difference Result 811 states and 1020 transitions. [2023-11-19 07:57:16,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-19 07:57:16,458 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2023-11-19 07:57:16,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:16,464 INFO L225 Difference]: With dead ends: 811 [2023-11-19 07:57:16,464 INFO L226 Difference]: Without dead ends: 589 [2023-11-19 07:57:16,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=503, Unknown=0, NotChecked=0, Total=650 [2023-11-19 07:57:16,468 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 373 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:16,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 637 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 456 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:57:16,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2023-11-19 07:57:16,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 522. [2023-11-19 07:57:16,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 403 states have (on average 1.2034739454094292) internal successors, (485), 425 states have internal predecessors, (485), 61 states have call successors, (61), 51 states have call predecessors, (61), 57 states have return successors, (85), 61 states have call predecessors, (85), 61 states have call successors, (85) [2023-11-19 07:57:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 631 transitions. [2023-11-19 07:57:16,526 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 631 transitions. Word has length 56 [2023-11-19 07:57:16,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:16,527 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 631 transitions. [2023-11-19 07:57:16,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-19 07:57:16,527 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 631 transitions. [2023-11-19 07:57:16,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-19 07:57:16,529 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:16,529 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:16,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:57:16,530 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:16,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:16,530 INFO L85 PathProgramCache]: Analyzing trace with hash -514851068, now seen corresponding path program 1 times [2023-11-19 07:57:16,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:16,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132492218] [2023-11-19 07:57:16,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:16,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:16,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:57:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:57:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:16,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:16,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:57:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:16,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 07:57:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:16,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-19 07:57:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:16,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:57:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:16,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-19 07:57:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-19 07:57:16,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:16,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132492218] [2023-11-19 07:57:16,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132492218] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:57:16,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894838789] [2023-11-19 07:57:16,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:16,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:57:16,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:16,727 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:57:16,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:57:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:16,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:57:16,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:57:17,057 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:17,058 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:57:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 07:57:17,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894838789] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:57:17,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:57:17,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 15 [2023-11-19 07:57:17,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439378499] [2023-11-19 07:57:17,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:57:17,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-19 07:57:17,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:17,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-19 07:57:17,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:57:17,285 INFO L87 Difference]: Start difference. First operand 522 states and 631 transitions. Second operand has 15 states, 15 states have (on average 7.8) internal successors, (117), 11 states have internal predecessors, (117), 4 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2023-11-19 07:57:18,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:18,770 INFO L93 Difference]: Finished difference Result 1165 states and 1447 transitions. [2023-11-19 07:57:18,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-11-19 07:57:18,771 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.8) internal successors, (117), 11 states have internal predecessors, (117), 4 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) Word has length 98 [2023-11-19 07:57:18,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:18,777 INFO L225 Difference]: With dead ends: 1165 [2023-11-19 07:57:18,777 INFO L226 Difference]: Without dead ends: 700 [2023-11-19 07:57:18,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 218 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 601 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=350, Invalid=2100, Unknown=0, NotChecked=0, Total=2450 [2023-11-19 07:57:18,781 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 409 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 1100 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1590 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 1100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:18,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1590 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 1100 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 07:57:18,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2023-11-19 07:57:18,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 592. [2023-11-19 07:57:18,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 454 states have (on average 1.198237885462555) internal successors, (544), 483 states have internal predecessors, (544), 71 states have call successors, (71), 61 states have call predecessors, (71), 66 states have return successors, (91), 68 states have call predecessors, (91), 71 states have call successors, (91) [2023-11-19 07:57:18,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 706 transitions. [2023-11-19 07:57:18,859 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 706 transitions. Word has length 98 [2023-11-19 07:57:18,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:18,861 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 706 transitions. [2023-11-19 07:57:18,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.8) internal successors, (117), 11 states have internal predecessors, (117), 4 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 5 states have call predecessors, (16), 4 states have call successors, (16) [2023-11-19 07:57:18,862 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 706 transitions. [2023-11-19 07:57:18,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 07:57:18,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:18,870 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:18,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:19,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 07:57:19,070 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:19,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:19,071 INFO L85 PathProgramCache]: Analyzing trace with hash 2133918754, now seen corresponding path program 1 times [2023-11-19 07:57:19,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:19,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324892854] [2023-11-19 07:57:19,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:19,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:57:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:57:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:57:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:57:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 07:57:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:57:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-19 07:57:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-11-19 07:57:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-11-19 07:57:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-19 07:57:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-11-19 07:57:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,534 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 72 proven. 5 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2023-11-19 07:57:19,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:19,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324892854] [2023-11-19 07:57:19,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324892854] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:57:19,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911416227] [2023-11-19 07:57:19,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:19,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:57:19,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:19,536 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:57:19,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:57:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:19,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:57:19,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:57:19,909 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 144 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 07:57:19,910 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:57:20,379 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 82 proven. 44 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-19 07:57:20,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911416227] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:57:20,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:57:20,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25 [2023-11-19 07:57:20,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228069612] [2023-11-19 07:57:20,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:57:20,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-19 07:57:20,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:20,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-19 07:57:20,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2023-11-19 07:57:20,384 INFO L87 Difference]: Start difference. First operand 592 states and 706 transitions. Second operand has 25 states, 25 states have (on average 8.76) internal successors, (219), 22 states have internal predecessors, (219), 9 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 8 states have call predecessors, (32), 9 states have call successors, (32) [2023-11-19 07:57:21,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:21,412 INFO L93 Difference]: Finished difference Result 1257 states and 1548 transitions. [2023-11-19 07:57:21,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-19 07:57:21,413 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.76) internal successors, (219), 22 states have internal predecessors, (219), 9 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 8 states have call predecessors, (32), 9 states have call successors, (32) Word has length 176 [2023-11-19 07:57:21,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:21,414 INFO L225 Difference]: With dead ends: 1257 [2023-11-19 07:57:21,414 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:57:21,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 370 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=483, Invalid=1773, Unknown=0, NotChecked=0, Total=2256 [2023-11-19 07:57:21,420 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 520 mSDsluCounter, 784 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:21,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 887 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 07:57:21,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:57:21,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:57:21,421 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 07:57:21,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:57:21,421 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2023-11-19 07:57:21,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:21,422 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:57:21,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.76) internal successors, (219), 22 states have internal predecessors, (219), 9 states have call successors, (30), 9 states have call predecessors, (30), 10 states have return successors, (32), 8 states have call predecessors, (32), 9 states have call successors, (32) [2023-11-19 07:57:21,422 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:57:21,422 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:57:21,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:57:21,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:21,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-19 07:57:21,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:57:24,619 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 102 108) no Hoare annotation was computed. [2023-11-19 07:57:24,619 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 102 108) the Hoare annotation is: true [2023-11-19 07:57:24,619 INFO L899 garLoopResultBuilder]: For program point L381-1(lines 377 388) no Hoare annotation was computed. [2023-11-19 07:57:24,619 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 377 388) the Hoare annotation is: true [2023-11-19 07:57:24,619 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 377 388) no Hoare annotation was computed. [2023-11-19 07:57:24,619 INFO L899 garLoopResultBuilder]: For program point L929(line 929) no Hoare annotation was computed. [2023-11-19 07:57:24,620 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 908 937) no Hoare annotation was computed. [2023-11-19 07:57:24,620 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 926) no Hoare annotation was computed. [2023-11-19 07:57:24,620 INFO L902 garLoopResultBuilder]: At program point L922-1(lines 922 926) the Hoare annotation is: true [2023-11-19 07:57:24,620 INFO L899 garLoopResultBuilder]: For program point L919(line 919) no Hoare annotation was computed. [2023-11-19 07:57:24,620 INFO L902 garLoopResultBuilder]: At program point L918-2(lines 918 932) the Hoare annotation is: true [2023-11-19 07:57:24,620 INFO L902 garLoopResultBuilder]: At program point L914(line 914) the Hoare annotation is: true [2023-11-19 07:57:24,621 INFO L899 garLoopResultBuilder]: For program point L914-1(line 914) no Hoare annotation was computed. [2023-11-19 07:57:24,621 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 908 937) the Hoare annotation is: true [2023-11-19 07:57:24,621 INFO L899 garLoopResultBuilder]: For program point L933(lines 908 937) no Hoare annotation was computed. [2023-11-19 07:57:24,621 INFO L895 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 (< 2 |old(~waterLevel~0)|)) (or (not (= |old(~waterLevel~0)| 2)) .cse1 .cse0) (or (< 1 |old(~waterLevel~0)|) (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse0))) [2023-11-19 07:57:24,621 INFO L899 garLoopResultBuilder]: For program point L155-1(lines 136 160) no Hoare annotation was computed. [2023-11-19 07:57:24,622 INFO L899 garLoopResultBuilder]: For program point L89-1(lines 89 95) no Hoare annotation was computed. [2023-11-19 07:57:24,622 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse3 (<= ~waterLevel~0 1)) (.cse16 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| ~waterLevel~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse15 (not .cse6))) (let ((.cse12 (and .cse0 .cse1 .cse2 .cse3 .cse16 .cse7 .cse9 .cse15)) (.cse13 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse14 (and (<= 1 ~pumpRunning~0) .cse11 .cse2 .cse3 .cse16 .cse7 .cse9 .cse15)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 1)) (.cse10 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 (< 2 |old(~waterLevel~0)|)) (let ((.cse8 (= ~waterLevel~0 1))) (or (and .cse1 .cse2 .cse7 .cse8 .cse9) (not (= |old(~waterLevel~0)| 2)) .cse10 .cse6 (and .cse11 .cse8 .cse9 (= |timeShift_getWaterLevel_#res#1| 1) .cse5))) (or .cse12 (not (= |old(~waterLevel~0)| 1)) .cse13 .cse14 .cse10 .cse6) (or (< 1 |old(~waterLevel~0)|) .cse12 .cse13 (and .cse0 .cse1 .cse2 .cse4 .cse9 .cse5 .cse15) .cse14 (and .cse11 .cse2 .cse4 .cse9 .cse5) .cse10 .cse6))))) [2023-11-19 07:57:24,622 INFO L899 garLoopResultBuilder]: For program point L849-1(line 849) no Hoare annotation was computed. [2023-11-19 07:57:24,623 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDry_returnLabel#1(lines 444 452) no Hoare annotation was computed. [2023-11-19 07:57:24,623 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 75 101) no Hoare annotation was computed. [2023-11-19 07:57:24,623 INFO L899 garLoopResultBuilder]: For program point getWaterLevel_returnLabel#1(lines 421 429) no Hoare annotation was computed. [2023-11-19 07:57:24,623 INFO L899 garLoopResultBuilder]: For program point L82(lines 82 88) no Hoare annotation was computed. [2023-11-19 07:57:24,623 INFO L899 garLoopResultBuilder]: For program point L82-2(lines 78 100) no Hoare annotation was computed. [2023-11-19 07:57:24,623 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 152) no Hoare annotation was computed. [2023-11-19 07:57:24,623 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 157) no Hoare annotation was computed. [2023-11-19 07:57:24,626 INFO L895 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 2 ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5) (or (< 1 |old(~waterLevel~0)|) (and .cse1 .cse3 .cse6) .cse0 .cse5) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse7 .cse5 (and .cse8 .cse3 .cse6) (< 2 |old(~waterLevel~0)|)) (or (and .cse8 .cse2 .cse3) .cse4 .cse7 .cse5))) [2023-11-19 07:57:24,626 INFO L899 garLoopResultBuilder]: For program point L834-1(line 834) no Hoare annotation was computed. [2023-11-19 07:57:24,626 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-19 07:57:24,626 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 861) no Hoare annotation was computed. [2023-11-19 07:57:24,626 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 864) no Hoare annotation was computed. [2023-11-19 07:57:24,626 INFO L899 garLoopResultBuilder]: For program point L847-1(lines 839 867) no Hoare annotation was computed. [2023-11-19 07:57:24,626 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 50 57) no Hoare annotation was computed. [2023-11-19 07:57:24,627 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 75 101) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 2 ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5) (or (< 1 |old(~waterLevel~0)|) (and .cse1 .cse3 .cse6) .cse0 .cse5) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse7 .cse5 (and .cse8 .cse3 .cse6) (< 2 |old(~waterLevel~0)|)) (or (and .cse8 .cse2 .cse3) .cse4 .cse7 .cse5))) [2023-11-19 07:57:24,627 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 265) no Hoare annotation was computed. [2023-11-19 07:57:24,627 INFO L899 garLoopResultBuilder]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2023-11-19 07:57:24,627 INFO L899 garLoopResultBuilder]: For program point deactivatePump_returnLabel#1(lines 169 176) no Hoare annotation was computed. [2023-11-19 07:57:24,627 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevel_returnLabel#1(lines 252 270) no Hoare annotation was computed. [2023-11-19 07:57:24,628 INFO L895 garLoopResultBuilder]: At program point L150(line 150) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (= 0 ~systemActive~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse8 (and (<= 1 ~pumpRunning~0) .cse0 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1 (not .cse4))) (.cse3 (< |old(~pumpRunning~0)| 1))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse4) (or .cse6 (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse7 .cse8 .cse3 .cse4) (or .cse6 .cse5 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse7 .cse8 .cse3 .cse4)))) [2023-11-19 07:57:24,628 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2023-11-19 07:57:24,628 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 829 838) no Hoare annotation was computed. [2023-11-19 07:57:24,628 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 75 101) no Hoare annotation was computed. [2023-11-19 07:57:24,628 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-11-19 07:57:24,629 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2023-11-19 07:57:24,629 INFO L899 garLoopResultBuilder]: For program point L357-2(lines 353 364) no Hoare annotation was computed. [2023-11-19 07:57:24,629 INFO L899 garLoopResultBuilder]: For program point startSystem_returnLabel#1(lines 271 278) no Hoare annotation was computed. [2023-11-19 07:57:24,629 INFO L895 garLoopResultBuilder]: At program point L341(lines 292 342) the Hoare annotation is: false [2023-11-19 07:57:24,629 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 969 979) no Hoare annotation was computed. [2023-11-19 07:57:24,629 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 883 889) no Hoare annotation was computed. [2023-11-19 07:57:24,630 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 980 1002) no Hoare annotation was computed. [2023-11-19 07:57:24,630 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:57:24,630 INFO L899 garLoopResultBuilder]: For program point L990(lines 990 997) no Hoare annotation was computed. [2023-11-19 07:57:24,630 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:57:24,630 INFO L899 garLoopResultBuilder]: For program point L990-2(lines 990 997) no Hoare annotation was computed. [2023-11-19 07:57:24,630 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 319) no Hoare annotation was computed. [2023-11-19 07:57:24,630 INFO L899 garLoopResultBuilder]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2023-11-19 07:57:24,631 INFO L895 garLoopResultBuilder]: At program point L338(lines 293 340) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 1)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (= 2 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~9#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse6 .cse7 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse3 .cse4 .cse5))) [2023-11-19 07:57:24,631 INFO L895 garLoopResultBuilder]: At program point L305(line 305) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 1)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (= 2 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~9#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse6 .cse7 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse7 .cse1 .cse3 .cse4 .cse5))) [2023-11-19 07:57:24,631 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 962 968) no Hoare annotation was computed. [2023-11-19 07:57:24,631 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:57:24,631 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 821 828) no Hoare annotation was computed. [2023-11-19 07:57:24,632 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 335) no Hoare annotation was computed. [2023-11-19 07:57:24,632 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:57:24,632 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 890 896) no Hoare annotation was computed. [2023-11-19 07:57:24,632 INFO L895 garLoopResultBuilder]: At program point L331-2(lines 323 336) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse6 (= 2 ~waterLevel~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~9#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2023-11-19 07:57:24,632 INFO L899 garLoopResultBuilder]: For program point L294(lines 293 340) no Hoare annotation was computed. [2023-11-19 07:57:24,632 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 336) no Hoare annotation was computed. [2023-11-19 07:57:24,633 INFO L895 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse6 (= 2 ~waterLevel~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~9#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2023-11-19 07:57:24,633 INFO L899 garLoopResultBuilder]: For program point L344(lines 283 348) no Hoare annotation was computed. [2023-11-19 07:57:24,633 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 309) no Hoare annotation was computed. [2023-11-19 07:57:24,633 INFO L899 garLoopResultBuilder]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2023-11-19 07:57:24,633 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 897 905) no Hoare annotation was computed. [2023-11-19 07:57:24,633 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 299) no Hoare annotation was computed. [2023-11-19 07:57:24,634 INFO L895 garLoopResultBuilder]: At program point L124(line 124) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0) (not .cse2))) (.cse3 (< 1 ~waterLevel~0))) (and (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse3 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1) .cse2)))) [2023-11-19 07:57:24,634 INFO L899 garLoopResultBuilder]: For program point activatePump_returnLabel#1(lines 161 168) no Hoare annotation was computed. [2023-11-19 07:57:24,634 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 126) no Hoare annotation was computed. [2023-11-19 07:57:24,634 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 131) no Hoare annotation was computed. [2023-11-19 07:57:24,634 INFO L899 garLoopResultBuilder]: For program point L434(lines 434 440) no Hoare annotation was computed. [2023-11-19 07:57:24,635 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 246) no Hoare annotation was computed. [2023-11-19 07:57:24,635 INFO L899 garLoopResultBuilder]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2023-11-19 07:57:24,635 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 110 134) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1) .cse2))) [2023-11-19 07:57:24,635 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 430 443) no Hoare annotation was computed. [2023-11-19 07:57:24,635 INFO L895 garLoopResultBuilder]: At program point L129(line 129) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1) .cse2))) [2023-11-19 07:57:24,636 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 110 134) no Hoare annotation was computed. [2023-11-19 07:57:24,636 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevel_returnLabel#1(lines 233 251) no Hoare annotation was computed. [2023-11-19 07:57:24,636 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 110 134) no Hoare annotation was computed. [2023-11-19 07:57:24,636 INFO L899 garLoopResultBuilder]: For program point L369-1(lines 365 376) no Hoare annotation was computed. [2023-11-19 07:57:24,636 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 365 376) no Hoare annotation was computed. [2023-11-19 07:57:24,636 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 365 376) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse5 (= 2 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse4 (< ~pumpRunning~0 1)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse1 .cse5 .cse6 .cse3) (or .cse0 .cse4 (< ~switchedOnBeforeTS~0 1) .cse2 .cse3))) [2023-11-19 07:57:24,637 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2023-11-19 07:57:24,637 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 188 196) no Hoare annotation was computed. [2023-11-19 07:57:24,637 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 188 196) the Hoare annotation is: true [2023-11-19 07:57:24,639 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:24,641 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:57:24,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:57:24 BoogieIcfgContainer [2023-11-19 07:57:24,654 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:57:24,655 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:57:24,655 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:57:24,655 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:57:24,655 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:12" (3/4) ... [2023-11-19 07:57:24,657 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:57:24,661 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-19 07:57:24,662 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 07:57:24,662 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 07:57:24,662 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 07:57:24,662 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 07:57:24,663 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 07:57:24,663 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-19 07:57:24,670 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-19 07:57:24,671 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 07:57:24,676 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:57:24,676 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:57:24,677 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:57:24,707 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == 0) && (\result == 1)) && (waterLevel <= 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive))) || (((((((1 <= pumpRunning) && (\result == 1)) && (waterLevel <= 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS)) && !((0 == systemActive)))) || ((((((1 <= pumpRunning) && (2 == waterLevel)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || ((((((pumpRunning == 0) && (2 == waterLevel)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-19 07:57:24,765 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((pumpRunning == 0) && (\result == 1)) && (waterLevel <= 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive))) || (((((((1 <= pumpRunning) && (\result == 1)) && (waterLevel <= 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS)) && !((0 == systemActive)))) || ((((((1 <= pumpRunning) && (2 == waterLevel)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || ((((((pumpRunning == 0) && (2 == waterLevel)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-19 07:57:24,814 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:57:24,815 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:57:24,815 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:57:24,816 INFO L158 Benchmark]: Toolchain (without parser) took 13488.44ms. Allocated memory was 134.2MB in the beginning and 237.0MB in the end (delta: 102.8MB). Free memory was 87.5MB in the beginning and 144.6MB in the end (delta: -57.1MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2023-11-19 07:57:24,816 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:57:24,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.32ms. Allocated memory is still 134.2MB. Free memory was 87.5MB in the beginning and 68.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:57:24,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.46ms. Allocated memory is still 134.2MB. Free memory was 68.0MB in the beginning and 65.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:57:24,817 INFO L158 Benchmark]: Boogie Preprocessor took 47.70ms. Allocated memory is still 134.2MB. Free memory was 65.5MB in the beginning and 64.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:57:24,818 INFO L158 Benchmark]: RCFGBuilder took 557.12ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 64.2MB in the beginning and 123.9MB in the end (delta: -59.7MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-11-19 07:57:24,818 INFO L158 Benchmark]: TraceAbstraction took 12102.29ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 123.1MB in the beginning and 151.9MB in the end (delta: -28.8MB). Peak memory consumption was 122.3MB. Max. memory is 16.1GB. [2023-11-19 07:57:24,819 INFO L158 Benchmark]: Witness Printer took 160.78ms. Allocated memory is still 237.0MB. Free memory was 151.9MB in the beginning and 144.6MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:57:24,821 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.32ms. Allocated memory is still 134.2MB. Free memory was 87.5MB in the beginning and 68.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.46ms. Allocated memory is still 134.2MB. Free memory was 68.0MB in the beginning and 65.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.70ms. Allocated memory is still 134.2MB. Free memory was 65.5MB in the beginning and 64.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 557.12ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 64.2MB in the beginning and 123.9MB in the end (delta: -59.7MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * TraceAbstraction took 12102.29ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 123.1MB in the beginning and 151.9MB in the end (delta: -28.8MB). Peak memory consumption was 122.3MB. Max. memory is 16.1GB. * Witness Printer took 160.78ms. Allocated memory is still 237.0MB. Free memory was 151.9MB in the beginning and 144.6MB 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] - GenericResultAtLocation [Line: 279]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [279] - GenericResultAtLocation [Line: 349]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [349] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [453] - GenericResultAtLocation [Line: 819]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [819] - GenericResultAtLocation [Line: 868]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [868] - GenericResultAtLocation [Line: 906]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [906] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: 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 8 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2132 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2097 mSDsluCounter, 5322 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4126 mSDsCounter, 524 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3066 IncrementalHoareTripleChecker+Invalid, 3590 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 524 mSolverCounterUnsat, 1196 mSDtfsCounter, 3066 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 835 GetRequests, 667 SyntacticMatches, 7 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1186 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=592occurred in iteration=10, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 210 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 692 PreInvPairs, 791 NumberOfFragments, 1146 HoareAnnotationTreeSize, 692 FomulaSimplifications, 3789 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 21 FomulaSimplificationsInter, 6868 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 965 NumberOfCodeBlocks, 965 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1224 ConstructedInterpolants, 0 QuantifiedInterpolants, 2309 SizeOfPredicates, 6 NumberOfNonLiveVariables, 879 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 646/717 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: 918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((((((pumpRunning == 0) && (\result == 1)) && (waterLevel <= 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive))) || (((((((1 <= pumpRunning) && (\result == 1)) && (waterLevel <= 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS)) && !((0 == systemActive)))) || ((((((1 <= pumpRunning) && (2 == waterLevel)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) || ((((((pumpRunning == 0) && (2 == waterLevel)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-19 07:57:24,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bb9c772-d140-452b-9369-cd6d2bb58c5f/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