./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/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_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/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_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/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 88f09ec5af0f641c9edfe2f7047937341e46c7f8baabeed0fd38f069cd3b5278 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:56:19,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:56:19,791 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:56:19,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:56:19,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:56:19,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:56:19,843 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:56:19,844 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:56:19,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:56:19,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:56:19,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:56:19,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:56:19,852 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:56:19,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:56:19,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:56:19,872 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:56:19,873 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:56:19,873 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:56:19,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:56:19,874 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:56:19,875 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:56:19,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:56:19,878 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:56:19,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:56:19,879 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:56:19,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:56:19,880 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:56:19,881 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:56:19,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:56:19,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:56:19,883 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:56:19,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:56:19,884 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:56:19,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:56:19,885 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:56:19,885 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:56:19,886 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:56:19,886 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:56:19,886 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:56:19,887 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_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88f09ec5af0f641c9edfe2f7047937341e46c7f8baabeed0fd38f069cd3b5278 [2023-11-19 07:56:20,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:56:20,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:56:20,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:56:20,188 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:56:20,189 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:56:20,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c [2023-11-19 07:56:23,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:56:23,820 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:56:23,821 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c [2023-11-19 07:56:23,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/data/e556f29ad/cf76e4b02fb2495c8f955779d985aba5/FLAG056d67906 [2023-11-19 07:56:23,850 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/data/e556f29ad/cf76e4b02fb2495c8f955779d985aba5 [2023-11-19 07:56:23,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:56:23,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:56:23,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:23,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:56:23,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:56:23,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:23" (1/1) ... [2023-11-19 07:56:23,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ccebdea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:23, skipping insertion in model container [2023-11-19 07:56:23,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:23" (1/1) ... [2023-11-19 07:56:23,912 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:56:24,138 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_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c[3971,3984] [2023-11-19 07:56:24,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:24,258 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:56:24,270 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2023-11-19 07:56:24,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [101] [2023-11-19 07:56:24,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [211] [2023-11-19 07:56:24,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [220] [2023-11-19 07:56:24,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [323] [2023-11-19 07:56:24,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [560] [2023-11-19 07:56:24,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [627] [2023-11-19 07:56:24,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [662] [2023-11-19 07:56:24,298 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_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c[3971,3984] [2023-11-19 07:56:24,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:56:24,394 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:56:24,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:24 WrapperNode [2023-11-19 07:56:24,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:56:24,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:24,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:56:24,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:56:24,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:24" (1/1) ... [2023-11-19 07:56:24,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:24" (1/1) ... [2023-11-19 07:56:24,446 INFO L138 Inliner]: procedures = 59, calls = 106, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 236 [2023-11-19 07:56:24,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:56:24,448 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:56:24,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:56:24,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:56:24,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:24" (1/1) ... [2023-11-19 07:56:24,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:24" (1/1) ... [2023-11-19 07:56:24,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:24" (1/1) ... [2023-11-19 07:56:24,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:24" (1/1) ... [2023-11-19 07:56:24,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:24" (1/1) ... [2023-11-19 07:56:24,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:24" (1/1) ... [2023-11-19 07:56:24,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:24" (1/1) ... [2023-11-19 07:56:24,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:24" (1/1) ... [2023-11-19 07:56:24,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:56:24,480 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:56:24,481 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:56:24,481 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:56:24,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:24" (1/1) ... [2023-11-19 07:56:24,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:56:24,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:24,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:56:24,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:56:24,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:56:24,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 07:56:24,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 07:56:24,637 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 07:56:24,638 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 07:56:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 07:56:24,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 07:56:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 07:56:24,639 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 07:56:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 07:56:24,639 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 07:56:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-19 07:56:24,639 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-19 07:56:24,640 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-19 07:56:24,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-19 07:56:24,640 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 07:56:24,640 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 07:56:24,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:56:24,641 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 07:56:24,642 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 07:56:24,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:56:24,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:56:24,730 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:56:24,733 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:56:25,178 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:56:25,193 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:56:25,194 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:56:25,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:25 BoogieIcfgContainer [2023-11-19 07:56:25,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:56:25,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:56:25,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:56:25,208 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:56:25,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:56:23" (1/3) ... [2023-11-19 07:56:25,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5434d8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:25, skipping insertion in model container [2023-11-19 07:56:25,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:24" (2/3) ... [2023-11-19 07:56:25,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5434d8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:25, skipping insertion in model container [2023-11-19 07:56:25,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:25" (3/3) ... [2023-11-19 07:56:25,212 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2023-11-19 07:56:25,234 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:56:25,235 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:56:25,305 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:56:25,314 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;@31fc99e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:56:25,315 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:56:25,320 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 89 states have internal predecessors, (108), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-19 07:56:25,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 07:56:25,336 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:25,337 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 07:56:25,338 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:25,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:25,346 INFO L85 PathProgramCache]: Analyzing trace with hash -17930075, now seen corresponding path program 1 times [2023-11-19 07:56:25,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:25,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220267256] [2023-11-19 07:56:25,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:25,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:25,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 07:56:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:25,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:56:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:25,666 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 07:56:25,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:25,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220267256] [2023-11-19 07:56:25,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220267256] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:25,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:25,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:56:25,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171307801] [2023-11-19 07:56:25,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:25,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:56:25,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:25,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:56:25,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:56:25,729 INFO L87 Difference]: Start difference. First operand has 106 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 89 states have internal predecessors, (108), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 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 07:56:25,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:25,773 INFO L93 Difference]: Finished difference Result 203 states and 274 transitions. [2023-11-19 07:56:25,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:56:25,776 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 07:56:25,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:25,787 INFO L225 Difference]: With dead ends: 203 [2023-11-19 07:56:25,788 INFO L226 Difference]: Without dead ends: 97 [2023-11-19 07:56:25,792 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 07:56:25,796 INFO L413 NwaCegarLoop]: 134 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, 134 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 07:56:25,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:56:25,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-19 07:56:25,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-19 07:56:25,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 81 states have internal predecessors, (94), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:56:25,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 125 transitions. [2023-11-19 07:56:25,854 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 125 transitions. Word has length 32 [2023-11-19 07:56:25,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:25,857 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 125 transitions. [2023-11-19 07:56:25,858 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 07:56:25,859 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 125 transitions. [2023-11-19 07:56:25,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 07:56:25,864 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:25,865 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 07:56:25,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:56:25,866 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:25,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:25,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1323382524, now seen corresponding path program 1 times [2023-11-19 07:56:25,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:25,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854151215] [2023-11-19 07:56:25,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:25,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:56:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:26,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-19 07:56:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:26,024 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 07:56:26,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:26,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854151215] [2023-11-19 07:56:26,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854151215] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:26,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:26,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:56:26,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588350718] [2023-11-19 07:56:26,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:26,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:56:26,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:26,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:56:26,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:56:26,029 INFO L87 Difference]: Start difference. First operand 97 states and 125 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 07:56:26,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:26,051 INFO L93 Difference]: Finished difference Result 158 states and 204 transitions. [2023-11-19 07:56:26,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:56:26,052 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 07:56:26,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:26,054 INFO L225 Difference]: With dead ends: 158 [2023-11-19 07:56:26,054 INFO L226 Difference]: Without dead ends: 88 [2023-11-19 07:56:26,055 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 07:56:26,057 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 13 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 207 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 07:56:26,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 207 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:56:26,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-19 07:56:26,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-19 07:56:26,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 75 states have internal predecessors, (87), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 07:56:26,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2023-11-19 07:56:26,072 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 113 transitions. Word has length 33 [2023-11-19 07:56:26,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:26,073 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 113 transitions. [2023-11-19 07:56:26,073 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 07:56:26,073 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2023-11-19 07:56:26,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 07:56:26,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:26,076 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 07:56:26,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:56:26,077 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:26,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:26,077 INFO L85 PathProgramCache]: Analyzing trace with hash 951919944, now seen corresponding path program 1 times [2023-11-19 07:56:26,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:26,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738903524] [2023-11-19 07:56:26,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:26,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:26,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:56:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:26,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 07:56:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:26,222 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 07:56:26,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:26,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738903524] [2023-11-19 07:56:26,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738903524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:26,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:26,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:56:26,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396963701] [2023-11-19 07:56:26,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:26,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:56:26,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:26,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:56:26,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:56:26,227 INFO L87 Difference]: Start difference. First operand 88 states and 113 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 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 07:56:26,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:26,276 INFO L93 Difference]: Finished difference Result 168 states and 219 transitions. [2023-11-19 07:56:26,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:56:26,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 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 07:56:26,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:26,287 INFO L225 Difference]: With dead ends: 168 [2023-11-19 07:56:26,287 INFO L226 Difference]: Without dead ends: 88 [2023-11-19 07:56:26,289 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 07:56:26,290 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 103 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:26,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 111 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:56:26,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-19 07:56:26,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-19 07:56:26,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 66 states have (on average 1.303030303030303) internal successors, (86), 75 states have internal predecessors, (86), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 07:56:26,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 112 transitions. [2023-11-19 07:56:26,304 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 112 transitions. Word has length 38 [2023-11-19 07:56:26,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:26,306 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 112 transitions. [2023-11-19 07:56:26,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 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 07:56:26,307 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2023-11-19 07:56:26,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 07:56:26,309 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:26,309 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] [2023-11-19 07:56:26,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:56:26,310 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:26,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:26,310 INFO L85 PathProgramCache]: Analyzing trace with hash 43096146, now seen corresponding path program 1 times [2023-11-19 07:56:26,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:26,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255141233] [2023-11-19 07:56:26,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:26,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:26,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:56:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:26,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-19 07:56:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:26,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-19 07:56:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:26,452 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 07:56:26,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:26,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255141233] [2023-11-19 07:56:26,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255141233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:26,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:26,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:56:26,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086130546] [2023-11-19 07:56:26,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:26,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:56:26,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:26,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:56:26,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:56:26,456 INFO L87 Difference]: Start difference. First operand 88 states and 112 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:56:26,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:26,713 INFO L93 Difference]: Finished difference Result 252 states and 327 transitions. [2023-11-19 07:56:26,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:56:26,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2023-11-19 07:56:26,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:26,716 INFO L225 Difference]: With dead ends: 252 [2023-11-19 07:56:26,716 INFO L226 Difference]: Without dead ends: 172 [2023-11-19 07:56:26,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:56:26,719 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 158 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:26,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 229 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:56:26,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-11-19 07:56:26,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 166. [2023-11-19 07:56:26,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 125 states have (on average 1.28) internal successors, (160), 133 states have internal predecessors, (160), 20 states have call successors, (20), 15 states have call predecessors, (20), 20 states have return successors, (31), 22 states have call predecessors, (31), 20 states have call successors, (31) [2023-11-19 07:56:26,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 211 transitions. [2023-11-19 07:56:26,760 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 211 transitions. Word has length 47 [2023-11-19 07:56:26,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:26,761 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 211 transitions. [2023-11-19 07:56:26,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 07:56:26,762 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 211 transitions. [2023-11-19 07:56:26,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 07:56:26,769 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:26,771 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:26,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:56:26,772 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:26,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:26,774 INFO L85 PathProgramCache]: Analyzing trace with hash 934824757, now seen corresponding path program 1 times [2023-11-19 07:56:26,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:26,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133184942] [2023-11-19 07:56:26,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:26,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:26,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:56:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:56:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:27,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:56:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:27,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:56:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:27,080 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 07:56:27,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:27,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133184942] [2023-11-19 07:56:27,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133184942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:27,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:27,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:56:27,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123407679] [2023-11-19 07:56:27,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:27,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:56:27,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:27,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:56:27,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:56:27,087 INFO L87 Difference]: Start difference. First operand 166 states and 211 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 07:56:27,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:27,297 INFO L93 Difference]: Finished difference Result 332 states and 430 transitions. [2023-11-19 07:56:27,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:56:27,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2023-11-19 07:56:27,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:27,300 INFO L225 Difference]: With dead ends: 332 [2023-11-19 07:56:27,300 INFO L226 Difference]: Without dead ends: 174 [2023-11-19 07:56:27,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 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 07:56:27,303 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 70 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:27,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 445 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:56:27,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-19 07:56:27,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 169. [2023-11-19 07:56:27,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 128 states have (on average 1.2734375) internal successors, (163), 136 states have internal predecessors, (163), 20 states have call successors, (20), 15 states have call predecessors, (20), 20 states have return successors, (31), 22 states have call predecessors, (31), 20 states have call successors, (31) [2023-11-19 07:56:27,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 214 transitions. [2023-11-19 07:56:27,328 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 214 transitions. Word has length 57 [2023-11-19 07:56:27,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:27,329 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 214 transitions. [2023-11-19 07:56:27,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 07:56:27,330 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 214 transitions. [2023-11-19 07:56:27,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 07:56:27,332 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:27,332 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:27,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:56:27,333 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:27,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:27,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1357526583, now seen corresponding path program 1 times [2023-11-19 07:56:27,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:27,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685993132] [2023-11-19 07:56:27,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:27,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:27,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:56:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:27,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:56:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:27,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:56:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:27,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:56:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:27,518 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 07:56:27,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:27,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685993132] [2023-11-19 07:56:27,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685993132] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:27,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:27,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:56:27,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441839542] [2023-11-19 07:56:27,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:27,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:56:27,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:27,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:56:27,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:56:27,522 INFO L87 Difference]: Start difference. First operand 169 states and 214 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 07:56:27,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:27,667 INFO L93 Difference]: Finished difference Result 340 states and 444 transitions. [2023-11-19 07:56:27,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:56:27,668 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2023-11-19 07:56:27,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:27,674 INFO L225 Difference]: With dead ends: 340 [2023-11-19 07:56:27,675 INFO L226 Difference]: Without dead ends: 179 [2023-11-19 07:56:27,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 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 07:56:27,685 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 73 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:27,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 347 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:56:27,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-11-19 07:56:27,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 171. [2023-11-19 07:56:27,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 130 states have (on average 1.2692307692307692) internal successors, (165), 138 states have internal predecessors, (165), 20 states have call successors, (20), 15 states have call predecessors, (20), 20 states have return successors, (31), 22 states have call predecessors, (31), 20 states have call successors, (31) [2023-11-19 07:56:27,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 216 transitions. [2023-11-19 07:56:27,726 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 216 transitions. Word has length 57 [2023-11-19 07:56:27,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:27,727 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 216 transitions. [2023-11-19 07:56:27,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 07:56:27,727 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 216 transitions. [2023-11-19 07:56:27,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 07:56:27,731 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:27,731 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:27,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:56:27,731 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:27,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:27,732 INFO L85 PathProgramCache]: Analyzing trace with hash -447911751, now seen corresponding path program 1 times [2023-11-19 07:56:27,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:27,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543523221] [2023-11-19 07:56:27,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:27,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:27,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:56:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:27,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:56:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:27,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:56:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:27,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:56:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:27,845 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 07:56:27,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:27,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543523221] [2023-11-19 07:56:27,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543523221] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:27,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:27,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:56:27,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643991871] [2023-11-19 07:56:27,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:27,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:56:27,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:27,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:56:27,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:56:27,848 INFO L87 Difference]: Start difference. First operand 171 states and 216 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-19 07:56:28,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:28,115 INFO L93 Difference]: Finished difference Result 484 states and 633 transitions. [2023-11-19 07:56:28,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:56:28,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 57 [2023-11-19 07:56:28,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:28,122 INFO L225 Difference]: With dead ends: 484 [2023-11-19 07:56:28,122 INFO L226 Difference]: Without dead ends: 321 [2023-11-19 07:56:28,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 1 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 07:56:28,127 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 235 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:28,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 348 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:56:28,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2023-11-19 07:56:28,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 313. [2023-11-19 07:56:28,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 236 states have (on average 1.2415254237288136) internal successors, (293), 248 states have internal predecessors, (293), 40 states have call successors, (40), 33 states have call predecessors, (40), 36 states have return successors, (66), 41 states have call predecessors, (66), 40 states have call successors, (66) [2023-11-19 07:56:28,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 399 transitions. [2023-11-19 07:56:28,209 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 399 transitions. Word has length 57 [2023-11-19 07:56:28,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:28,209 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 399 transitions. [2023-11-19 07:56:28,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-19 07:56:28,209 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 399 transitions. [2023-11-19 07:56:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 07:56:28,211 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:28,211 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:28,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:56:28,211 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:28,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:28,212 INFO L85 PathProgramCache]: Analyzing trace with hash 16145041, now seen corresponding path program 1 times [2023-11-19 07:56:28,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:28,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692609067] [2023-11-19 07:56:28,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:28,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:56:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:28,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:56:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:28,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:56:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:28,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:56:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:28,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:56:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:28,374 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 07:56:28,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:28,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692609067] [2023-11-19 07:56:28,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692609067] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:28,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:28,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:56:28,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157110170] [2023-11-19 07:56:28,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:28,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:56:28,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:28,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:56:28,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:56:28,377 INFO L87 Difference]: Start difference. First operand 313 states and 399 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 07:56:28,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:28,707 INFO L93 Difference]: Finished difference Result 622 states and 799 transitions. [2023-11-19 07:56:28,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-19 07:56:28,709 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2023-11-19 07:56:28,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:28,714 INFO L225 Difference]: With dead ends: 622 [2023-11-19 07:56:28,714 INFO L226 Difference]: Without dead ends: 317 [2023-11-19 07:56:28,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:56:28,717 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 126 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:28,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 452 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:56:28,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2023-11-19 07:56:28,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 309. [2023-11-19 07:56:28,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 232 states have (on average 1.2112068965517242) internal successors, (281), 244 states have internal predecessors, (281), 40 states have call successors, (40), 33 states have call predecessors, (40), 36 states have return successors, (66), 41 states have call predecessors, (66), 40 states have call successors, (66) [2023-11-19 07:56:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 387 transitions. [2023-11-19 07:56:28,758 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 387 transitions. Word has length 59 [2023-11-19 07:56:28,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:28,759 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 387 transitions. [2023-11-19 07:56:28,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 07:56:28,759 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 387 transitions. [2023-11-19 07:56:28,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 07:56:28,761 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:28,761 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:28,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:56:28,762 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:28,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:28,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1464730591, now seen corresponding path program 1 times [2023-11-19 07:56:28,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:28,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827684201] [2023-11-19 07:56:28,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:28,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:28,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:56:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:29,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:56:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:29,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:56:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:29,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:56:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:29,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-19 07:56:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:29,095 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 07:56:29,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:29,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827684201] [2023-11-19 07:56:29,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827684201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:56:29,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:56:29,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:56:29,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814254244] [2023-11-19 07:56:29,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:56:29,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:56:29,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:29,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:56:29,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:56:29,099 INFO L87 Difference]: Start difference. First operand 309 states and 387 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-19 07:56:29,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:29,882 INFO L93 Difference]: Finished difference Result 935 states and 1218 transitions. [2023-11-19 07:56:29,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-19 07:56:29,883 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 61 [2023-11-19 07:56:29,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:29,888 INFO L225 Difference]: With dead ends: 935 [2023-11-19 07:56:29,889 INFO L226 Difference]: Without dead ends: 690 [2023-11-19 07:56:29,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=549, Unknown=0, NotChecked=0, Total=702 [2023-11-19 07:56:29,891 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 471 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:29,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 539 Invalid, 704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 07:56:29,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2023-11-19 07:56:29,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 594. [2023-11-19 07:56:29,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 446 states have (on average 1.210762331838565) internal successors, (540), 472 states have internal predecessors, (540), 77 states have call successors, (77), 58 states have call predecessors, (77), 70 states have return successors, (127), 79 states have call predecessors, (127), 77 states have call successors, (127) [2023-11-19 07:56:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 744 transitions. [2023-11-19 07:56:29,957 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 744 transitions. Word has length 61 [2023-11-19 07:56:29,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:29,957 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 744 transitions. [2023-11-19 07:56:29,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-19 07:56:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 744 transitions. [2023-11-19 07:56:29,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-19 07:56:29,960 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:29,960 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:56:29,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:56:29,961 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:29,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:29,961 INFO L85 PathProgramCache]: Analyzing trace with hash -2028217141, now seen corresponding path program 1 times [2023-11-19 07:56:29,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:29,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839241746] [2023-11-19 07:56:29,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:29,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:30,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:56:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:30,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:56:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:30,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:30,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:56:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:30,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:56:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:30,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:56:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:30,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-19 07:56:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:30,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-19 07:56:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:30,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:56:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:30,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-11-19 07:56:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:30,286 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:56:30,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:30,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839241746] [2023-11-19 07:56:30,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839241746] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:56:30,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093448599] [2023-11-19 07:56:30,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:30,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:56:30,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:30,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:56:30,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:56:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:30,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:56:30,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:56:30,687 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:56:30,688 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:56:30,942 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:56:30,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093448599] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:56:30,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:56:30,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2023-11-19 07:56:30,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311297129] [2023-11-19 07:56:30,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:56:30,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-19 07:56:30,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:30,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-19 07:56:30,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:56:30,946 INFO L87 Difference]: Start difference. First operand 594 states and 744 transitions. Second operand has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 10 states have internal predecessors, (137), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) [2023-11-19 07:56:32,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:32,101 INFO L93 Difference]: Finished difference Result 1267 states and 1626 transitions. [2023-11-19 07:56:32,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-19 07:56:32,101 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 10 states have internal predecessors, (137), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) Word has length 111 [2023-11-19 07:56:32,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:32,107 INFO L225 Difference]: With dead ends: 1267 [2023-11-19 07:56:32,107 INFO L226 Difference]: Without dead ends: 735 [2023-11-19 07:56:32,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 249 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=441, Invalid=1451, Unknown=0, NotChecked=0, Total=1892 [2023-11-19 07:56:32,111 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 499 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 1116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:32,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 1118 Invalid, 1116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 944 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 07:56:32,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2023-11-19 07:56:32,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 659. [2023-11-19 07:56:32,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 490 states have (on average 1.1959183673469387) internal successors, (586), 524 states have internal predecessors, (586), 87 states have call successors, (87), 72 states have call predecessors, (87), 81 states have return successors, (119), 84 states have call predecessors, (119), 87 states have call successors, (119) [2023-11-19 07:56:32,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 792 transitions. [2023-11-19 07:56:32,231 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 792 transitions. Word has length 111 [2023-11-19 07:56:32,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:32,232 INFO L495 AbstractCegarLoop]: Abstraction has 659 states and 792 transitions. [2023-11-19 07:56:32,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 10 states have internal predecessors, (137), 6 states have call successors, (25), 7 states have call predecessors, (25), 6 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) [2023-11-19 07:56:32,233 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 792 transitions. [2023-11-19 07:56:32,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-19 07:56:32,238 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:56:32,238 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:32,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:56:32,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 07:56:32,461 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:56:32,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:56:32,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1718593601, now seen corresponding path program 1 times [2023-11-19 07:56:32,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:56:32,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992176169] [2023-11-19 07:56:32,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:32,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:56:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-19 07:56:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:56:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:56:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:56:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 07:56:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-19 07:56:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-19 07:56:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:56:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-19 07:56:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:56:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-19 07:56:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-11-19 07:56:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-19 07:56:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:56:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-11-19 07:56:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 69 proven. 5 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-11-19 07:56:32,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:56:32,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992176169] [2023-11-19 07:56:32,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992176169] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:56:32,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244726171] [2023-11-19 07:56:32,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:56:32,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:56:32,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:56:32,838 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:56:32,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:56:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:56:32,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:56:33,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:56:33,277 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 147 proven. 4 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-19 07:56:33,277 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:56:33,802 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 81 proven. 39 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-11-19 07:56:33,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244726171] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:56:33,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:56:33,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25 [2023-11-19 07:56:33,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869951076] [2023-11-19 07:56:33,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:56:33,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-19 07:56:33,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:56:33,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-19 07:56:33,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2023-11-19 07:56:33,807 INFO L87 Difference]: Start difference. First operand 659 states and 792 transitions. Second operand has 25 states, 25 states have (on average 8.8) internal successors, (220), 21 states have internal predecessors, (220), 9 states have call successors, (35), 9 states have call predecessors, (35), 9 states have return successors, (34), 8 states have call predecessors, (34), 9 states have call successors, (34) [2023-11-19 07:56:35,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:56:35,292 INFO L93 Difference]: Finished difference Result 1370 states and 1699 transitions. [2023-11-19 07:56:35,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-19 07:56:35,293 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.8) internal successors, (220), 21 states have internal predecessors, (220), 9 states have call successors, (35), 9 states have call predecessors, (35), 9 states have return successors, (34), 8 states have call predecessors, (34), 9 states have call successors, (34) Word has length 191 [2023-11-19 07:56:35,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:56:35,295 INFO L225 Difference]: With dead ends: 1370 [2023-11-19 07:56:35,295 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:56:35,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 406 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=487, Invalid=1769, Unknown=0, NotChecked=0, Total=2256 [2023-11-19 07:56:35,301 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 411 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 1610 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 1740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 07:56:35,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 1037 Invalid, 1740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1610 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 07:56:35,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:56:35,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:56:35,302 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 07:56:35,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:56:35,303 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 191 [2023-11-19 07:56:35,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:56:35,303 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:56:35,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.8) internal successors, (220), 21 states have internal predecessors, (220), 9 states have call successors, (35), 9 states have call predecessors, (35), 9 states have return successors, (34), 8 states have call predecessors, (34), 9 states have call successors, (34) [2023-11-19 07:56:35,304 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:56:35,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:56:35,306 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:56:35,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:56:35,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-19 07:56:35,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:56:38,885 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 450 457) no Hoare annotation was computed. [2023-11-19 07:56:38,885 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 450 457) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)) [2023-11-19 07:56:38,886 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 450 457) no Hoare annotation was computed. [2023-11-19 07:56:38,886 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 357 363) no Hoare annotation was computed. [2023-11-19 07:56:38,886 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 357 363) the Hoare annotation is: true [2023-11-19 07:56:38,886 INFO L899 garLoopResultBuilder]: For program point L139-1(lines 135 146) no Hoare annotation was computed. [2023-11-19 07:56:38,886 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 135 146) the Hoare annotation is: true [2023-11-19 07:56:38,886 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 135 146) no Hoare annotation was computed. [2023-11-19 07:56:38,886 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-11-19 07:56:38,887 INFO L895 garLoopResultBuilder]: At program point L436(line 436) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 (and .cse4 (= 2 ~waterLevel~0)) .cse1) (or .cse5 .cse3 (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0) (or .cse5 (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse2))) [2023-11-19 07:56:38,887 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 417 441) no Hoare annotation was computed. [2023-11-19 07:56:38,887 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 343) no Hoare annotation was computed. [2023-11-19 07:56:38,887 INFO L899 garLoopResultBuilder]: For program point L337-2(lines 333 355) no Hoare annotation was computed. [2023-11-19 07:56:38,888 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 330 356) no Hoare annotation was computed. [2023-11-19 07:56:38,888 INFO L899 garLoopResultBuilder]: For program point getWaterLevel_returnLabel#1(lines 179 187) no Hoare annotation was computed. [2023-11-19 07:56:38,888 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 119) no Hoare annotation was computed. [2023-11-19 07:56:38,889 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (<= |timeShift_getWaterLevel_#res#1| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse16 (<= ~waterLevel~0 1)) (.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse10 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse17 (= 1 ~systemActive~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 1)) (.cse7 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse13 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (not .cse17)) (.cse14 (and .cse8 .cse9 .cse16 .cse17 .cse18 .cse10 .cse5)) (.cse15 (and .cse3 .cse8 .cse16 .cse17 .cse18 .cse10 .cse5)) (.cse11 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 .cse1 .cse2) (let ((.cse4 (= ~waterLevel~0 1))) (or .cse1 (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse10 .cse4 .cse5) .cse2 .cse11)) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1 (and .cse9 .cse12 .cse6 .cse7)) (or (and .cse9 .cse12 .cse5 .cse6 .cse7) .cse13 .cse1 .cse14 .cse15 (and .cse3 .cse12 .cse5 .cse6 .cse7) .cse11 (< 2 |old(~waterLevel~0)|)) (or (not (= |old(~waterLevel~0)| 1)) .cse13 .cse1 .cse14 .cse15 .cse11)))) [2023-11-19 07:56:38,889 INFO L899 garLoopResultBuilder]: For program point L115-2(lines 111 122) no Hoare annotation was computed. [2023-11-19 07:56:38,889 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-11-19 07:56:38,889 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 433) no Hoare annotation was computed. [2023-11-19 07:56:38,889 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 438) no Hoare annotation was computed. [2023-11-19 07:56:38,889 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 212 219) no Hoare annotation was computed. [2023-11-19 07:56:38,890 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 330 356) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (< |old(~pumpRunning~0)| 1))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5) (or (and (= ~pumpRunning~0 0) .cse3 .cse4) (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse5) (or .cse0 (and .cse2 (= 2 ~waterLevel~0) .cse3) (not (= |old(~waterLevel~0)| 2)) .cse1))) [2023-11-19 07:56:38,890 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (< |old(~pumpRunning~0)| 1))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5) (or (and (= ~pumpRunning~0 0) .cse3 .cse4) (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse5) (or .cse0 (and .cse2 (= 2 ~waterLevel~0) .cse3) (not (= |old(~waterLevel~0)| 2)) .cse1))) [2023-11-19 07:56:38,890 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-11-19 07:56:38,891 INFO L899 garLoopResultBuilder]: For program point L216(line 216) no Hoare annotation was computed. [2023-11-19 07:56:38,891 INFO L899 garLoopResultBuilder]: For program point L344-1(lines 344 350) no Hoare annotation was computed. [2023-11-19 07:56:38,891 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-11-19 07:56:38,891 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 62 71) no Hoare annotation was computed. [2023-11-19 07:56:38,891 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-11-19 07:56:38,892 INFO L895 garLoopResultBuilder]: At program point L431(line 431) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse6 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse7 (and .cse1 (<= ~waterLevel~0 1) .cse9 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse9))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 1) .cse2) .cse3 .cse4) (or .cse5 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse6 .cse0 .cse4 .cse7) (or .cse8 .cse0 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse0 .cse4 .cse7) (or .cse5 .cse8 .cse0)))) [2023-11-19 07:56:38,892 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-11-19 07:56:38,892 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCritical_returnLabel#1(lines 147 155) no Hoare annotation was computed. [2023-11-19 07:56:38,892 INFO L895 garLoopResultBuilder]: At program point L427(line 427) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse6 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse7 (and .cse1 (<= ~waterLevel~0 1) .cse9 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse9))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 1) .cse2) .cse3 .cse4) (or .cse5 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse6 .cse0 .cse4 .cse7) (or .cse8 .cse0 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse0 .cse4 .cse7) (or .cse5 .cse8 .cse0)))) [2023-11-19 07:56:38,893 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 330 356) no Hoare annotation was computed. [2023-11-19 07:56:38,893 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarm_returnLabel#1(lines 458 468) no Hoare annotation was computed. [2023-11-19 07:56:38,893 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 216) no Hoare annotation was computed. [2023-11-19 07:56:38,893 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 223 252) no Hoare annotation was computed. [2023-11-19 07:56:38,893 INFO L899 garLoopResultBuilder]: For program point L248(lines 223 252) no Hoare annotation was computed. [2023-11-19 07:56:38,893 INFO L899 garLoopResultBuilder]: For program point L244(line 244) no Hoare annotation was computed. [2023-11-19 07:56:38,894 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2023-11-19 07:56:38,894 INFO L902 garLoopResultBuilder]: At program point L237-1(lines 237 241) the Hoare annotation is: true [2023-11-19 07:56:38,894 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2023-11-19 07:56:38,894 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 223 252) the Hoare annotation is: true [2023-11-19 07:56:38,894 INFO L902 garLoopResultBuilder]: At program point L233-2(lines 233 247) the Hoare annotation is: true [2023-11-19 07:56:38,894 INFO L902 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: true [2023-11-19 07:56:38,895 INFO L899 garLoopResultBuilder]: For program point L229-1(line 229) no Hoare annotation was computed. [2023-11-19 07:56:38,895 INFO L899 garLoopResultBuilder]: For program point L609(lines 609 613) no Hoare annotation was computed. [2023-11-19 07:56:38,895 INFO L895 garLoopResultBuilder]: At program point L609-2(lines 601 614) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 (<= ~waterLevel~0 1) .cse2 .cse3))) [2023-11-19 07:56:38,895 INFO L899 garLoopResultBuilder]: For program point L572(lines 571 618) no Hoare annotation was computed. [2023-11-19 07:56:38,895 INFO L899 garLoopResultBuilder]: For program point startSystem_returnLabel#1(lines 552 559) no Hoare annotation was computed. [2023-11-19 07:56:38,895 INFO L899 garLoopResultBuilder]: For program point L601(lines 601 614) no Hoare annotation was computed. [2023-11-19 07:56:38,896 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 (<= ~waterLevel~0 1) .cse2 .cse3))) [2023-11-19 07:56:38,896 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 286 296) no Hoare annotation was computed. [2023-11-19 07:56:38,896 INFO L899 garLoopResultBuilder]: For program point L622(lines 561 626) no Hoare annotation was computed. [2023-11-19 07:56:38,896 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 639 645) no Hoare annotation was computed. [2023-11-19 07:56:38,896 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 300 322) no Hoare annotation was computed. [2023-11-19 07:56:38,896 INFO L899 garLoopResultBuilder]: For program point L581(lines 581 587) no Hoare annotation was computed. [2023-11-19 07:56:38,897 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 587) no Hoare annotation was computed. [2023-11-19 07:56:38,897 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:56:38,897 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 577) no Hoare annotation was computed. [2023-11-19 07:56:38,897 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:56:38,897 INFO L895 garLoopResultBuilder]: At program point L619(lines 570 620) the Hoare annotation is: false [2023-11-19 07:56:38,897 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 278 284) no Hoare annotation was computed. [2023-11-19 07:56:38,898 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:56:38,898 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 54 61) no Hoare annotation was computed. [2023-11-19 07:56:38,898 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 317) no Hoare annotation was computed. [2023-11-19 07:56:38,898 INFO L899 garLoopResultBuilder]: For program point L310-2(lines 310 317) no Hoare annotation was computed. [2023-11-19 07:56:38,898 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 597) no Hoare annotation was computed. [2023-11-19 07:56:38,898 INFO L899 garLoopResultBuilder]: For program point L591-1(lines 591 597) no Hoare annotation was computed. [2023-11-19 07:56:38,898 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:56:38,899 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 646 652) no Hoare annotation was computed. [2023-11-19 07:56:38,899 INFO L895 garLoopResultBuilder]: At program point L616(lines 571 618) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2023-11-19 07:56:38,899 INFO L895 garLoopResultBuilder]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse5 .cse2 .cse3) (and .cse4 .cse1 .cse2 .cse3))) [2023-11-19 07:56:38,899 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 653 661) no Hoare annotation was computed. [2023-11-19 07:56:38,899 INFO L899 garLoopResultBuilder]: For program point L192(lines 192 198) no Hoare annotation was computed. [2023-11-19 07:56:38,900 INFO L895 garLoopResultBuilder]: At program point L384(line 384) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-19 07:56:38,900 INFO L899 garLoopResultBuilder]: For program point L384-1(lines 365 389) no Hoare annotation was computed. [2023-11-19 07:56:38,900 INFO L899 garLoopResultBuilder]: For program point activatePump_returnLabel#1(lines 442 449) no Hoare annotation was computed. [2023-11-19 07:56:38,900 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2023-11-19 07:56:38,901 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 365 389) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-19 07:56:38,901 INFO L899 garLoopResultBuilder]: For program point L523-2(lines 523 527) no Hoare annotation was computed. [2023-11-19 07:56:38,901 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 188 201) no Hoare annotation was computed. [2023-11-19 07:56:38,901 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevel_returnLabel#1(lines 514 532) no Hoare annotation was computed. [2023-11-19 07:56:38,901 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 365 389) no Hoare annotation was computed. [2023-11-19 07:56:38,901 INFO L895 garLoopResultBuilder]: At program point L379(line 379) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-19 07:56:38,902 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 381) no Hoare annotation was computed. [2023-11-19 07:56:38,902 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 386) no Hoare annotation was computed. [2023-11-19 07:56:38,902 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 123 134) no Hoare annotation was computed. [2023-11-19 07:56:38,902 INFO L899 garLoopResultBuilder]: For program point L127-1(lines 123 134) no Hoare annotation was computed. [2023-11-19 07:56:38,902 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 123 134) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (< ~pumpRunning~0 1)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse0 .cse2 (< ~switchedOnBeforeTS~0 1) .cse6) (or .cse5 .cse4 .cse2 .cse6))) [2023-11-19 07:56:38,914 INFO L895 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-19 07:56:38,915 INFO L895 garLoopResultBuilder]: At program point L401(line 401) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-19 07:56:38,915 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 407) no Hoare annotation was computed. [2023-11-19 07:56:38,915 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDry_returnLabel#1(lines 202 210) no Hoare annotation was computed. [2023-11-19 07:56:38,915 INFO L899 garLoopResultBuilder]: For program point L395(lines 395 412) no Hoare annotation was computed. [2023-11-19 07:56:38,915 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 391 415) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-19 07:56:38,915 INFO L899 garLoopResultBuilder]: For program point L542(lines 542 546) no Hoare annotation was computed. [2023-11-19 07:56:38,916 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevel_returnLabel#1(lines 533 551) no Hoare annotation was computed. [2023-11-19 07:56:38,916 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 391 415) no Hoare annotation was computed. [2023-11-19 07:56:38,916 INFO L899 garLoopResultBuilder]: For program point L542-2(lines 542 546) no Hoare annotation was computed. [2023-11-19 07:56:38,916 INFO L895 garLoopResultBuilder]: At program point L410(line 410) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0) (or .cse0 (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) (< |old(~pumpRunning~0)| 1)))) [2023-11-19 07:56:38,916 INFO L899 garLoopResultBuilder]: For program point L410-1(lines 391 415) no Hoare annotation was computed. [2023-11-19 07:56:38,916 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 469 477) no Hoare annotation was computed. [2023-11-19 07:56:38,917 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 469 477) no Hoare annotation was computed. [2023-11-19 07:56:38,917 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 469 477) the Hoare annotation is: true [2023-11-19 07:56:38,919 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:56:38,922 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:56:38,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:56:38 BoogieIcfgContainer [2023-11-19 07:56:38,938 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:56:38,939 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:56:38,939 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:56:38,939 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:56:38,940 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:25" (3/4) ... [2023-11-19 07:56:38,942 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:56:38,946 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-19 07:56:38,946 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-19 07:56:38,946 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 07:56:38,946 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 07:56:38,946 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 07:56:38,947 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 07:56:38,947 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 07:56:38,947 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2023-11-19 07:56:38,947 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-19 07:56:38,965 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-19 07:56:38,966 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 07:56:38,967 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:56:38,967 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:56:38,968 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:56:39,139 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:56:39,140 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:56:39,140 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:56:39,141 INFO L158 Benchmark]: Toolchain (without parser) took 15285.83ms. Allocated memory was 117.4MB in the beginning and 237.0MB in the end (delta: 119.5MB). Free memory was 72.5MB in the beginning and 197.3MB in the end (delta: -124.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:56:39,141 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory was 87.2MB in the beginning and 87.2MB in the end (delta: 77.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:56:39,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.31ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 52.6MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:56:39,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.21ms. Allocated memory is still 117.4MB. Free memory was 52.5MB in the beginning and 50.2MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:56:39,143 INFO L158 Benchmark]: Boogie Preprocessor took 32.08ms. Allocated memory is still 117.4MB. Free memory was 50.2MB in the beginning and 48.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:56:39,143 INFO L158 Benchmark]: RCFGBuilder took 720.07ms. Allocated memory was 117.4MB in the beginning and 163.6MB in the end (delta: 46.1MB). Free memory was 48.4MB in the beginning and 122.3MB in the end (delta: -73.8MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-11-19 07:56:39,143 INFO L158 Benchmark]: TraceAbstraction took 13733.54ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 121.5MB in the beginning and 205.7MB in the end (delta: -84.2MB). Peak memory consumption was 124.9MB. Max. memory is 16.1GB. [2023-11-19 07:56:39,144 INFO L158 Benchmark]: Witness Printer took 201.55ms. Allocated memory is still 237.0MB. Free memory was 205.7MB in the beginning and 197.3MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:56:39,146 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 117.4MB. Free memory was 87.2MB in the beginning and 87.2MB in the end (delta: 77.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.31ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 52.6MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.21ms. Allocated memory is still 117.4MB. Free memory was 52.5MB in the beginning and 50.2MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.08ms. Allocated memory is still 117.4MB. Free memory was 50.2MB in the beginning and 48.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 720.07ms. Allocated memory was 117.4MB in the beginning and 163.6MB in the end (delta: 46.1MB). Free memory was 48.4MB in the beginning and 122.3MB in the end (delta: -73.8MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * TraceAbstraction took 13733.54ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 121.5MB in the beginning and 205.7MB in the end (delta: -84.2MB). Peak memory consumption was 124.9MB. Max. memory is 16.1GB. * Witness Printer took 201.55ms. Allocated memory is still 237.0MB. Free memory was 205.7MB in the beginning and 197.3MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [101] - GenericResultAtLocation [Line: 211]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [211] - GenericResultAtLocation [Line: 220]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [220] - GenericResultAtLocation [Line: 323]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [323] - GenericResultAtLocation [Line: 560]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [560] - GenericResultAtLocation [Line: 627]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [627] - GenericResultAtLocation [Line: 662]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [662] * 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: 216]: 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 10 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.6s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2201 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2159 mSDsluCounter, 4967 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3687 mSDsCounter, 652 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3790 IncrementalHoareTripleChecker+Invalid, 4442 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 652 mSolverCounterUnsat, 1280 mSDtfsCounter, 3790 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 900 GetRequests, 743 SyntacticMatches, 8 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1075 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=659occurred in iteration=10, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 207 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 977 PreInvPairs, 1084 NumberOfFragments, 1282 HoareAnnotationTreeSize, 977 FomulaSimplifications, 3970 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 27 FomulaSimplificationsInter, 7589 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1045 NumberOfCodeBlocks, 1045 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1332 ConstructedInterpolants, 0 QuantifiedInterpolants, 2619 SizeOfPredicates, 6 NumberOfNonLiveVariables, 951 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 668/750 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: 571]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0))) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-19 07:56:39,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d91f1a7-4ae9-4da3-be1b-0cf91ab3a872/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