./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product64.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_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/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_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/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_a59f9081-4e12-4de3-8a5d-1d7094c187e2/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 c6b9b08cafcd1ede2e2b3a8fb1be067350eaac45a7dc4fb4db0fb4cb0fdccd74 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:57:18,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:57:18,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:57:18,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:57:18,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:57:18,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:57:18,956 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:57:18,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:57:18,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:57:18,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:57:18,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:57:18,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:57:18,968 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:57:18,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:57:18,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:57:18,971 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:57:18,971 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:57:18,972 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:57:18,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:57:18,973 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:57:18,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:57:18,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:57:18,975 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:57:18,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:57:18,976 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:57:18,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:57:18,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:57:18,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:57:18,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:57:18,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:57:18,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:57:18,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:57:18,981 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:57:18,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:57:18,982 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:57:18,982 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:57:18,983 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:57:18,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:57:18,983 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:57:18,984 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_a59f9081-4e12-4de3-8a5d-1d7094c187e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6b9b08cafcd1ede2e2b3a8fb1be067350eaac45a7dc4fb4db0fb4cb0fdccd74 [2023-11-19 07:57:19,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:57:19,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:57:19,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:57:19,327 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:57:19,327 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:57:19,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c [2023-11-19 07:57:22,463 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:57:22,871 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:57:22,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c [2023-11-19 07:57:22,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/data/9daed230e/3b3cbd9780e148c5b8152f1df6ab9695/FLAG40ca5791c [2023-11-19 07:57:22,913 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/data/9daed230e/3b3cbd9780e148c5b8152f1df6ab9695 [2023-11-19 07:57:22,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:57:22,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:57:22,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:57:22,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:57:22,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:57:22,932 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:22" (1/1) ... [2023-11-19 07:57:22,933 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a411f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:22, skipping insertion in model container [2023-11-19 07:57:22,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:22" (1/1) ... [2023-11-19 07:57:23,002 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:57:23,146 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_a59f9081-4e12-4de3-8a5d-1d7094c187e2/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c[1605,1618] [2023-11-19 07:57:23,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:57:23,289 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:57:23,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-19 07:57:23,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2023-11-19 07:57:23,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [96] [2023-11-19 07:57:23,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [124] [2023-11-19 07:57:23,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [490] [2023-11-19 07:57:23,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [591] [2023-11-19 07:57:23,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [862] [2023-11-19 07:57:23,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [966] [2023-11-19 07:57:23,308 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_a59f9081-4e12-4de3-8a5d-1d7094c187e2/sv-benchmarks/c/product-lines/minepump_spec1_product64.cil.c[1605,1618] [2023-11-19 07:57:23,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:57:23,453 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:57:23,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:23 WrapperNode [2023-11-19 07:57:23,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:57:23,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:57:23,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:57:23,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:57:23,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:23" (1/1) ... [2023-11-19 07:57:23,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:23" (1/1) ... [2023-11-19 07:57:23,532 INFO L138 Inliner]: procedures = 59, calls = 107, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 223 [2023-11-19 07:57:23,533 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:57:23,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:57:23,534 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:57:23,534 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:57:23,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:23" (1/1) ... [2023-11-19 07:57:23,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:23" (1/1) ... [2023-11-19 07:57:23,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:23" (1/1) ... [2023-11-19 07:57:23,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:23" (1/1) ... [2023-11-19 07:57:23,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:23" (1/1) ... [2023-11-19 07:57:23,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:23" (1/1) ... [2023-11-19 07:57:23,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:23" (1/1) ... [2023-11-19 07:57:23,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:23" (1/1) ... [2023-11-19 07:57:23,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:57:23,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:57:23,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:57:23,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:57:23,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:23" (1/1) ... [2023-11-19 07:57:23,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:57:23,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:23,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:23,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:57:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:57:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 07:57:23,669 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 07:57:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 07:57:23,671 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 07:57:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 07:57:23,672 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 07:57:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-19 07:57:23,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-19 07:57:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 07:57:23,672 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 07:57:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 07:57:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 07:57:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-19 07:57:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-19 07:57:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-19 07:57:23,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-19 07:57:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 07:57:23,675 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 07:57:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:57:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 07:57:23,675 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 07:57:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:57:23,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:57:23,793 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:57:23,796 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:57:24,115 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:57:24,130 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:57:24,130 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:57:24,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:24 BoogieIcfgContainer [2023-11-19 07:57:24,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:57:24,138 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:57:24,138 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:57:24,142 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:57:24,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:57:22" (1/3) ... [2023-11-19 07:57:24,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bcb6c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:24, skipping insertion in model container [2023-11-19 07:57:24,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:23" (2/3) ... [2023-11-19 07:57:24,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bcb6c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:24, skipping insertion in model container [2023-11-19 07:57:24,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:24" (3/3) ... [2023-11-19 07:57:24,145 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64.cil.c [2023-11-19 07:57:24,166 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:57:24,167 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:57:24,232 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:57:24,239 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;@1b1a4186, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:57:24,240 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:57:24,245 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 93 states have internal predecessors, (112), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 07:57:24,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 07:57:24,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:24,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:24,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:24,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:24,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1906157068, now seen corresponding path program 1 times [2023-11-19 07:57:24,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:24,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821144889] [2023-11-19 07:57:24,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:24,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:24,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-19 07:57:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:24,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:24,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821144889] [2023-11-19 07:57:24,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821144889] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:24,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:24,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:57:24,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680077756] [2023-11-19 07:57:24,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:24,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:57:24,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:24,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:57:24,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:57:24,597 INFO L87 Difference]: Start difference. First operand has 113 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 93 states have internal predecessors, (112), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:57:24,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:24,638 INFO L93 Difference]: Finished difference Result 218 states and 295 transitions. [2023-11-19 07:57:24,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:57:24,641 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-11-19 07:57:24,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:24,650 INFO L225 Difference]: With dead ends: 218 [2023-11-19 07:57:24,651 INFO L226 Difference]: Without dead ends: 104 [2023-11-19 07:57:24,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:57:24,658 INFO L413 NwaCegarLoop]: 144 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, 144 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:24,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:57:24,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-19 07:57:24,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-11-19 07:57:24,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 75 states have (on average 1.3066666666666666) internal successors, (98), 85 states have internal predecessors, (98), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:57:24,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 135 transitions. [2023-11-19 07:57:24,709 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 135 transitions. Word has length 23 [2023-11-19 07:57:24,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:24,709 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 135 transitions. [2023-11-19 07:57:24,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:57:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 135 transitions. [2023-11-19 07:57:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 07:57:24,714 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:24,717 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:24,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:57:24,719 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:24,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:24,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1844087638, now seen corresponding path program 1 times [2023-11-19 07:57:24,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:24,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419349254] [2023-11-19 07:57:24,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:24,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:24,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-19 07:57:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:24,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:24,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:24,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419349254] [2023-11-19 07:57:24,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419349254] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:24,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:24,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:57:24,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578340169] [2023-11-19 07:57:24,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:24,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:57:24,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:24,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:57:24,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:24,837 INFO L87 Difference]: Start difference. First operand 104 states and 135 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:57:24,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:24,864 INFO L93 Difference]: Finished difference Result 169 states and 219 transitions. [2023-11-19 07:57:24,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:57:24,865 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-11-19 07:57:24,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:24,868 INFO L225 Difference]: With dead ends: 169 [2023-11-19 07:57:24,868 INFO L226 Difference]: Without dead ends: 95 [2023-11-19 07:57:24,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:24,871 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 17 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:24,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 222 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:57:24,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-19 07:57:24,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2023-11-19 07:57:24,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 69 states have (on average 1.318840579710145) internal successors, (91), 79 states have internal predecessors, (91), 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 07:57:24,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 123 transitions. [2023-11-19 07:57:24,890 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 123 transitions. Word has length 24 [2023-11-19 07:57:24,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:24,891 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 123 transitions. [2023-11-19 07:57:24,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:57:24,891 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2023-11-19 07:57:24,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 07:57:24,893 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:24,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:24,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:57:24,894 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:24,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:24,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1533698931, now seen corresponding path program 1 times [2023-11-19 07:57:24,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:24,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475812147] [2023-11-19 07:57:24,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:24,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:25,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:57:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:25,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:25,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:25,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475812147] [2023-11-19 07:57:25,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475812147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:25,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:25,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:57:25,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828080902] [2023-11-19 07:57:25,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:25,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:57:25,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:25,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:57:25,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:57:25,110 INFO L87 Difference]: Start difference. First operand 95 states and 123 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:57:25,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:25,304 INFO L93 Difference]: Finished difference Result 225 states and 294 transitions. [2023-11-19 07:57:25,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:57:25,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2023-11-19 07:57:25,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:25,307 INFO L225 Difference]: With dead ends: 225 [2023-11-19 07:57:25,307 INFO L226 Difference]: Without dead ends: 137 [2023-11-19 07:57:25,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:57:25,310 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 186 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:25,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 395 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:57:25,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-19 07:57:25,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 134. [2023-11-19 07:57:25,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 98 states have (on average 1.336734693877551) internal successors, (131), 111 states have internal predecessors, (131), 21 states have call successors, (21), 14 states have call predecessors, (21), 14 states have return successors, (22), 15 states have call predecessors, (22), 21 states have call successors, (22) [2023-11-19 07:57:25,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 174 transitions. [2023-11-19 07:57:25,348 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 174 transitions. Word has length 29 [2023-11-19 07:57:25,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:25,348 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 174 transitions. [2023-11-19 07:57:25,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:57:25,349 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 174 transitions. [2023-11-19 07:57:25,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 07:57:25,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:25,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:25,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:57:25,352 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:25,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:25,352 INFO L85 PathProgramCache]: Analyzing trace with hash 521603362, now seen corresponding path program 1 times [2023-11-19 07:57:25,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:25,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682945038] [2023-11-19 07:57:25,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:25,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:25,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:57:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:25,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:25,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:25,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682945038] [2023-11-19 07:57:25,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682945038] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:25,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:25,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:57:25,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709975694] [2023-11-19 07:57:25,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:25,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:57:25,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:25,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:57:25,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:57:25,489 INFO L87 Difference]: Start difference. First operand 134 states and 174 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:57:25,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:25,637 INFO L93 Difference]: Finished difference Result 314 states and 419 transitions. [2023-11-19 07:57:25,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:57:25,638 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2023-11-19 07:57:25,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:25,641 INFO L225 Difference]: With dead ends: 314 [2023-11-19 07:57:25,642 INFO L226 Difference]: Without dead ends: 187 [2023-11-19 07:57:25,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:57:25,646 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 72 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:25,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 433 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:57:25,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-19 07:57:25,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 179. [2023-11-19 07:57:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 132 states have (on average 1.2727272727272727) internal successors, (168), 144 states have internal predecessors, (168), 25 states have call successors, (25), 21 states have call predecessors, (25), 21 states have return successors, (33), 23 states have call predecessors, (33), 25 states have call successors, (33) [2023-11-19 07:57:25,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 226 transitions. [2023-11-19 07:57:25,719 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 226 transitions. Word has length 32 [2023-11-19 07:57:25,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:25,726 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 226 transitions. [2023-11-19 07:57:25,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:57:25,727 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 226 transitions. [2023-11-19 07:57:25,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 07:57:25,749 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:25,750 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:25,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:57:25,750 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:25,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:25,755 INFO L85 PathProgramCache]: Analyzing trace with hash 2031492755, now seen corresponding path program 1 times [2023-11-19 07:57:25,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:25,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307159975] [2023-11-19 07:57:25,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:25,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:25,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:57:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:25,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:57:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:25,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:57:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:25,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:57:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:57:25,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:25,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307159975] [2023-11-19 07:57:25,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307159975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:25,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:25,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:57:25,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339014485] [2023-11-19 07:57:25,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:25,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:57:25,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:25,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:57:25,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:57:25,967 INFO L87 Difference]: Start difference. First operand 179 states and 226 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 07:57:26,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:26,220 INFO L93 Difference]: Finished difference Result 399 states and 516 transitions. [2023-11-19 07:57:26,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:57:26,221 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 63 [2023-11-19 07:57:26,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:26,224 INFO L225 Difference]: With dead ends: 399 [2023-11-19 07:57:26,225 INFO L226 Difference]: Without dead ends: 227 [2023-11-19 07:57:26,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:57:26,228 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 131 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:26,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 467 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:57:26,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2023-11-19 07:57:26,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 207. [2023-11-19 07:57:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 153 states have (on average 1.2483660130718954) internal successors, (191), 165 states have internal predecessors, (191), 27 states have call successors, (27), 21 states have call predecessors, (27), 26 states have return successors, (38), 29 states have call predecessors, (38), 27 states have call successors, (38) [2023-11-19 07:57:26,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 256 transitions. [2023-11-19 07:57:26,256 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 256 transitions. Word has length 63 [2023-11-19 07:57:26,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:26,257 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 256 transitions. [2023-11-19 07:57:26,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 07:57:26,257 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 256 transitions. [2023-11-19 07:57:26,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 07:57:26,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:26,260 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:26,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:57:26,260 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:26,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:26,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1964006790, now seen corresponding path program 1 times [2023-11-19 07:57:26,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:26,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707337777] [2023-11-19 07:57:26,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:26,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:26,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:57:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:26,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:57:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:26,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:57:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:26,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:26,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:57:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:26,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:57:26,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:26,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707337777] [2023-11-19 07:57:26,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707337777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:26,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:26,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:57:26,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761341000] [2023-11-19 07:57:26,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:26,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:57:26,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:26,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:57:26,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:57:26,468 INFO L87 Difference]: Start difference. First operand 207 states and 256 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (6), 3 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 07:57:26,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:26,888 INFO L93 Difference]: Finished difference Result 691 states and 903 transitions. [2023-11-19 07:57:26,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:57:26,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (6), 3 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 60 [2023-11-19 07:57:26,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:26,898 INFO L225 Difference]: With dead ends: 691 [2023-11-19 07:57:26,898 INFO L226 Difference]: Without dead ends: 491 [2023-11-19 07:57:26,900 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 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 07:57:26,905 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 293 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:26,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 368 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:57:26,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2023-11-19 07:57:26,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 484. [2023-11-19 07:57:26,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 359 states have (on average 1.2367688022284122) internal successors, (444), 384 states have internal predecessors, (444), 63 states have call successors, (63), 55 states have call predecessors, (63), 61 states have return successors, (107), 66 states have call predecessors, (107), 63 states have call successors, (107) [2023-11-19 07:57:27,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 614 transitions. [2023-11-19 07:57:27,002 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 614 transitions. Word has length 60 [2023-11-19 07:57:27,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:27,003 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 614 transitions. [2023-11-19 07:57:27,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (6), 3 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 07:57:27,003 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 614 transitions. [2023-11-19 07:57:27,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 07:57:27,013 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:27,014 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:27,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:57:27,017 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:27,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:27,019 INFO L85 PathProgramCache]: Analyzing trace with hash -361736822, now seen corresponding path program 1 times [2023-11-19 07:57:27,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:27,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84077392] [2023-11-19 07:57:27,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:27,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:57:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:27,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:57:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:57:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:27,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:57:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:27,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:57:27,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:27,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84077392] [2023-11-19 07:57:27,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84077392] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:27,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:27,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:57:27,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076332320] [2023-11-19 07:57:27,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:27,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:57:27,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:27,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:57:27,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:57:27,168 INFO L87 Difference]: Start difference. First operand 484 states and 614 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 07:57:27,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:27,389 INFO L93 Difference]: Finished difference Result 981 states and 1272 transitions. [2023-11-19 07:57:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:57:27,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2023-11-19 07:57:27,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:27,394 INFO L225 Difference]: With dead ends: 981 [2023-11-19 07:57:27,394 INFO L226 Difference]: Without dead ends: 504 [2023-11-19 07:57:27,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:57:27,397 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 73 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:27,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 391 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:57:27,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2023-11-19 07:57:27,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 490. [2023-11-19 07:57:27,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 365 states have (on average 1.2328767123287672) internal successors, (450), 390 states have internal predecessors, (450), 63 states have call successors, (63), 55 states have call predecessors, (63), 61 states have return successors, (107), 66 states have call predecessors, (107), 63 states have call successors, (107) [2023-11-19 07:57:27,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 620 transitions. [2023-11-19 07:57:27,448 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 620 transitions. Word has length 60 [2023-11-19 07:57:27,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:27,449 INFO L495 AbstractCegarLoop]: Abstraction has 490 states and 620 transitions. [2023-11-19 07:57:27,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 07:57:27,449 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 620 transitions. [2023-11-19 07:57:27,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 07:57:27,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:27,451 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:27,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:57:27,452 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:27,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:27,452 INFO L85 PathProgramCache]: Analyzing trace with hash -86977208, now seen corresponding path program 1 times [2023-11-19 07:57:27,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:27,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885672937] [2023-11-19 07:57:27,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:27,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:27,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:57:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:27,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:57:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:27,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:57:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:27,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:27,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:57:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:27,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:57:27,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:27,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885672937] [2023-11-19 07:57:27,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885672937] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:27,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:27,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:57:27,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690753343] [2023-11-19 07:57:27,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:27,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 07:57:27,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:27,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:57:27,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:57:27,659 INFO L87 Difference]: Start difference. First operand 490 states and 620 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 07:57:27,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:27,905 INFO L93 Difference]: Finished difference Result 893 states and 1141 transitions. [2023-11-19 07:57:27,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:57:27,906 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2023-11-19 07:57:27,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:27,909 INFO L225 Difference]: With dead ends: 893 [2023-11-19 07:57:27,909 INFO L226 Difference]: Without dead ends: 410 [2023-11-19 07:57:27,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:57:27,912 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 117 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:27,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 425 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:57:27,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2023-11-19 07:57:27,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 408. [2023-11-19 07:57:27,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 304 states have (on average 1.2236842105263157) internal successors, (372), 324 states have internal predecessors, (372), 53 states have call successors, (53), 48 states have call predecessors, (53), 50 states have return successors, (80), 53 states have call predecessors, (80), 53 states have call successors, (80) [2023-11-19 07:57:27,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 505 transitions. [2023-11-19 07:57:27,951 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 505 transitions. Word has length 60 [2023-11-19 07:57:27,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:27,952 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 505 transitions. [2023-11-19 07:57:27,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 07:57:27,953 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 505 transitions. [2023-11-19 07:57:27,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 07:57:27,954 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:27,954 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:27,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 07:57:27,955 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:27,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:27,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1271229164, now seen corresponding path program 1 times [2023-11-19 07:57:27,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:27,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644122483] [2023-11-19 07:57:27,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:27,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:28,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:57:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:28,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-19 07:57:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:28,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:57:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:28,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:57:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:28,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:28,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-19 07:57:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:28,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:57:28,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:28,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644122483] [2023-11-19 07:57:28,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644122483] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:28,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:28,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 07:57:28,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564758472] [2023-11-19 07:57:28,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:28,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:57:28,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:28,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:57:28,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:57:28,144 INFO L87 Difference]: Start difference. First operand 408 states and 505 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:57:28,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:28,923 INFO L93 Difference]: Finished difference Result 1326 states and 1694 transitions. [2023-11-19 07:57:28,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-19 07:57:28,924 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2023-11-19 07:57:28,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:28,931 INFO L225 Difference]: With dead ends: 1326 [2023-11-19 07:57:28,931 INFO L226 Difference]: Without dead ends: 925 [2023-11-19 07:57:28,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=467, Unknown=0, NotChecked=0, Total=600 [2023-11-19 07:57:28,936 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 364 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:28,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 356 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 07:57:28,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2023-11-19 07:57:29,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 887. [2023-11-19 07:57:29,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 652 states have (on average 1.1947852760736197) internal successors, (779), 701 states have internal predecessors, (779), 122 states have call successors, (122), 96 states have call predecessors, (122), 112 states have return successors, (206), 124 states have call predecessors, (206), 122 states have call successors, (206) [2023-11-19 07:57:29,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1107 transitions. [2023-11-19 07:57:29,037 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1107 transitions. Word has length 64 [2023-11-19 07:57:29,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:29,039 INFO L495 AbstractCegarLoop]: Abstraction has 887 states and 1107 transitions. [2023-11-19 07:57:29,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:57:29,040 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1107 transitions. [2023-11-19 07:57:29,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 07:57:29,042 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:29,043 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:29,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-19 07:57:29,043 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:29,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:29,044 INFO L85 PathProgramCache]: Analyzing trace with hash 2077759664, now seen corresponding path program 1 times [2023-11-19 07:57:29,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:29,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290443712] [2023-11-19 07:57:29,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:29,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:29,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:57:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:29,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 07:57:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:29,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-19 07:57:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:29,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:57:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:29,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:57:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-11-19 07:57:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:29,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:57:29,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:29,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290443712] [2023-11-19 07:57:29,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290443712] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:57:29,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822057358] [2023-11-19 07:57:29,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:29,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:57:29,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:29,474 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:57:29,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:57:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:29,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 07:57:29,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:57:29,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:29,854 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:57:29,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822057358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:29,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:57:29,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2023-11-19 07:57:29,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404461980] [2023-11-19 07:57:29,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:29,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:57:29,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:29,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:57:29,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-11-19 07:57:29,857 INFO L87 Difference]: Start difference. First operand 887 states and 1107 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-19 07:57:30,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:30,107 INFO L93 Difference]: Finished difference Result 1732 states and 2169 transitions. [2023-11-19 07:57:30,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:57:30,108 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 68 [2023-11-19 07:57:30,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:30,114 INFO L225 Difference]: With dead ends: 1732 [2023-11-19 07:57:30,114 INFO L226 Difference]: Without dead ends: 852 [2023-11-19 07:57:30,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2023-11-19 07:57:30,118 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 79 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 1267 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:30,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 1267 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:57:30,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2023-11-19 07:57:30,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 852. [2023-11-19 07:57:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 625 states have (on average 1.1808) internal successors, (738), 673 states have internal predecessors, (738), 119 states have call successors, (119), 94 states have call predecessors, (119), 107 states have return successors, (181), 118 states have call predecessors, (181), 119 states have call successors, (181) [2023-11-19 07:57:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1038 transitions. [2023-11-19 07:57:30,249 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1038 transitions. Word has length 68 [2023-11-19 07:57:30,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:30,249 INFO L495 AbstractCegarLoop]: Abstraction has 852 states and 1038 transitions. [2023-11-19 07:57:30,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2023-11-19 07:57:30,250 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1038 transitions. [2023-11-19 07:57:30,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 07:57:30,254 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:30,255 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:30,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:30,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 07:57:30,470 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:30,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:30,471 INFO L85 PathProgramCache]: Analyzing trace with hash 963454430, now seen corresponding path program 1 times [2023-11-19 07:57:30,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:30,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582191078] [2023-11-19 07:57:30,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:30,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:30,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 07:57:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:30,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:57:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:30,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:57:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:30,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:57:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:30,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-19 07:57:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:30,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:30,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:57:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:30,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-11-19 07:57:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:30,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-19 07:57:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:30,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:57:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-19 07:57:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:30,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-19 07:57:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:30,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:57:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:57:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:30,858 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 07:57:30,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:30,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582191078] [2023-11-19 07:57:30,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582191078] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:57:30,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637955068] [2023-11-19 07:57:30,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:30,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:57:30,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:30,860 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:57:30,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:57:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:30,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 07:57:30,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:57:31,152 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 07:57:31,152 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:57:31,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637955068] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:31,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:57:31,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2023-11-19 07:57:31,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588005713] [2023-11-19 07:57:31,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:31,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:57:31,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:31,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:57:31,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2023-11-19 07:57:31,156 INFO L87 Difference]: Start difference. First operand 852 states and 1038 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-19 07:57:31,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:31,379 INFO L93 Difference]: Finished difference Result 1458 states and 1799 transitions. [2023-11-19 07:57:31,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:57:31,380 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2023-11-19 07:57:31,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:31,381 INFO L225 Difference]: With dead ends: 1458 [2023-11-19 07:57:31,381 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:57:31,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2023-11-19 07:57:31,386 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 70 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:57:31,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 1129 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:57:31,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:57:31,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:57:31,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:57:31,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:57:31,388 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2023-11-19 07:57:31,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:31,388 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:57:31,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2023-11-19 07:57:31,389 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:57:31,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:57:31,392 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:57:31,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:57:31,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:57:31,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:57:34,045 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 737 744) no Hoare annotation was computed. [2023-11-19 07:57:34,046 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 737 744) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 .cse1 (< ~methaneLevelCritical~0 1)))) [2023-11-19 07:57:34,046 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 737 744) no Hoare annotation was computed. [2023-11-19 07:57:34,046 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 627 633) no Hoare annotation was computed. [2023-11-19 07:57:34,046 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 627 633) the Hoare annotation is: true [2023-11-19 07:57:34,046 INFO L895 garLoopResultBuilder]: At program point L671(line 671) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2023-11-19 07:57:34,046 INFO L899 garLoopResultBuilder]: For program point L669(lines 669 677) no Hoare annotation was computed. [2023-11-19 07:57:34,046 INFO L899 garLoopResultBuilder]: For program point L665(lines 665 682) no Hoare annotation was computed. [2023-11-19 07:57:34,046 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDry_returnLabel#1(lines 957 965) no Hoare annotation was computed. [2023-11-19 07:57:34,047 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 661 685) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-11-19 07:57:34,047 INFO L895 garLoopResultBuilder]: At program point L680(line 680) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |old(~pumpRunning~0)| 0))) (and (or (not .cse0) .cse1 .cse2 (< ~methaneLevelCritical~0 1)) (or (not (= ~methaneLevelCritical~0 0)) .cse2 (and .cse1 .cse0)))) [2023-11-19 07:57:34,047 INFO L899 garLoopResultBuilder]: For program point L680-1(lines 661 685) no Hoare annotation was computed. [2023-11-19 07:57:34,047 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevel_returnLabel#1(lines 820 838) no Hoare annotation was computed. [2023-11-19 07:57:34,047 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 833) no Hoare annotation was computed. [2023-11-19 07:57:34,047 INFO L899 garLoopResultBuilder]: For program point L829-2(lines 829 833) no Hoare annotation was computed. [2023-11-19 07:57:34,047 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 661 685) no Hoare annotation was computed. [2023-11-19 07:57:34,048 INFO L895 garLoopResultBuilder]: At program point L675(line 675) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2023-11-19 07:57:34,048 INFO L899 garLoopResultBuilder]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2023-11-19 07:57:34,048 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 890 901) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse0 .cse2 .cse1) (or (<= 1 ~methaneLevelCritical~0) .cse2 (< |old(~methaneLevelCritical~0)| 1)))) [2023-11-19 07:57:34,048 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 890 901) no Hoare annotation was computed. [2023-11-19 07:57:34,048 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 603 626) no Hoare annotation was computed. [2023-11-19 07:57:34,048 INFO L899 garLoopResultBuilder]: For program point L870(lines 870 874) no Hoare annotation was computed. [2023-11-19 07:57:34,048 INFO L899 garLoopResultBuilder]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2023-11-19 07:57:34,048 INFO L899 garLoopResultBuilder]: For program point L870-2(lines 866 877) no Hoare annotation was computed. [2023-11-19 07:57:34,049 INFO L895 garLoopResultBuilder]: At program point L701(line 701) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse0 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2023-11-19 07:57:34,049 INFO L895 garLoopResultBuilder]: At program point L697(line 697) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (<= 1 |timeShift_processEnvironment_~tmp~7#1|)) .cse2) (or .cse3 .cse4) (or .cse3 .cse2) (or .cse1 .cse4 .cse0))) [2023-11-19 07:57:34,049 INFO L895 garLoopResultBuilder]: At program point L693(line 693) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= 0 ~systemActive~0)) (.cse2 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1) (or .cse0 .cse2) (or .cse3 .cse1 .cse4) (or .cse3 .cse4 .cse2))) [2023-11-19 07:57:34,049 INFO L899 garLoopResultBuilder]: For program point L693-1(line 693) no Hoare annotation was computed. [2023-11-19 07:57:34,049 INFO L899 garLoopResultBuilder]: For program point L111(lines 111 117) no Hoare annotation was computed. [2023-11-19 07:57:34,049 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 120) no Hoare annotation was computed. [2023-11-19 07:57:34,049 INFO L899 garLoopResultBuilder]: For program point L107-1(lines 99 123) no Hoare annotation was computed. [2023-11-19 07:57:34,050 INFO L895 garLoopResultBuilder]: At program point L706(line 706) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse6 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= ~pumpRunning~0 0) .cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not .cse6)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse4 (not .cse2))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse2 .cse5) (or .cse3 .cse5 .cse4)))) [2023-11-19 07:57:34,050 INFO L899 garLoopResultBuilder]: For program point L706-1(lines 687 711) no Hoare annotation was computed. [2023-11-19 07:57:34,050 INFO L899 garLoopResultBuilder]: For program point L607-1(lines 606 625) no Hoare annotation was computed. [2023-11-19 07:57:34,050 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-19 07:57:34,050 INFO L899 garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 50 57) no Hoare annotation was computed. [2023-11-19 07:57:34,050 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 603 626) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6)) (.cse2 (= 0 ~systemActive~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (= ~pumpRunning~0 0) .cse6)) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse5) (or .cse3 .cse4 .cse0)))) [2023-11-19 07:57:34,050 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 703) no Hoare annotation was computed. [2023-11-19 07:57:34,050 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 708) no Hoare annotation was computed. [2023-11-19 07:57:34,051 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 603 626) no Hoare annotation was computed. [2023-11-19 07:57:34,051 INFO L895 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse6 .cse3)) (.cse2 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (and .cse3 (not .cse4)) .cse1 .cse5) (or .cse6 .cse4 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 (<= 2 ~waterLevel~0) .cse5 .cse4)))) [2023-11-19 07:57:34,051 INFO L899 garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 756 764) no Hoare annotation was computed. [2023-11-19 07:57:34,051 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-11-19 07:57:34,051 INFO L899 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed. [2023-11-19 07:57:34,051 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 493 522) no Hoare annotation was computed. [2023-11-19 07:57:34,051 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 511) no Hoare annotation was computed. [2023-11-19 07:57:34,052 INFO L902 garLoopResultBuilder]: At program point L507-1(lines 507 511) the Hoare annotation is: true [2023-11-19 07:57:34,052 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2023-11-19 07:57:34,052 INFO L902 garLoopResultBuilder]: At program point L503-2(lines 503 517) the Hoare annotation is: true [2023-11-19 07:57:34,052 INFO L902 garLoopResultBuilder]: At program point L499(line 499) the Hoare annotation is: true [2023-11-19 07:57:34,052 INFO L899 garLoopResultBuilder]: For program point L499-1(line 499) no Hoare annotation was computed. [2023-11-19 07:57:34,052 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 493 522) the Hoare annotation is: true [2023-11-19 07:57:34,052 INFO L899 garLoopResultBuilder]: For program point L518(lines 493 522) no Hoare annotation was computed. [2023-11-19 07:57:34,052 INFO L899 garLoopResultBuilder]: For program point L514(line 514) no Hoare annotation was computed. [2023-11-19 07:57:34,052 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 902 910) the Hoare annotation is: true [2023-11-19 07:57:34,052 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 902 910) no Hoare annotation was computed. [2023-11-19 07:57:34,053 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 902 910) no Hoare annotation was computed. [2023-11-19 07:57:34,053 INFO L895 garLoopResultBuilder]: At program point L989(line 989) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2023-11-19 07:57:34,053 INFO L899 garLoopResultBuilder]: For program point startSystem_returnLabel#1(lines 854 861) no Hoare annotation was computed. [2023-11-19 07:57:34,053 INFO L899 garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 558 567) no Hoare annotation was computed. [2023-11-19 07:57:34,053 INFO L895 garLoopResultBuilder]: At program point L845(line 845) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3) (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3))) [2023-11-19 07:57:34,053 INFO L899 garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 73 79) no Hoare annotation was computed. [2023-11-19 07:57:34,053 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 568 590) no Hoare annotation was computed. [2023-11-19 07:57:34,057 INFO L895 garLoopResultBuilder]: At program point L1027(lines 976 1028) the Hoare annotation is: false [2023-11-19 07:57:34,058 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:57:34,058 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:57:34,058 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1021) no Hoare annotation was computed. [2023-11-19 07:57:34,058 INFO L895 garLoopResultBuilder]: At program point L1015-2(lines 1007 1022) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse5 .cse2 .cse3 .cse4 .cse6))) [2023-11-19 07:57:34,058 INFO L899 garLoopResultBuilder]: For program point L978(lines 977 1026) no Hoare annotation was computed. [2023-11-19 07:57:34,059 INFO L899 garLoopResultBuilder]: For program point L1007(lines 1007 1022) no Hoare annotation was computed. [2023-11-19 07:57:34,059 INFO L899 garLoopResultBuilder]: For program point setup_returnLabel#1(lines 550 556) no Hoare annotation was computed. [2023-11-19 07:57:34,059 INFO L895 garLoopResultBuilder]: At program point L999(line 999) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2023-11-19 07:57:34,059 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 585) no Hoare annotation was computed. [2023-11-19 07:57:34,059 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:57:34,060 INFO L895 garLoopResultBuilder]: At program point L1024(lines 977 1026) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2023-11-19 07:57:34,060 INFO L899 garLoopResultBuilder]: For program point L578-2(lines 578 585) no Hoare annotation was computed. [2023-11-19 07:57:34,060 INFO L899 garLoopResultBuilder]: For program point L987(lines 987 993) no Hoare annotation was computed. [2023-11-19 07:57:34,060 INFO L899 garLoopResultBuilder]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2023-11-19 07:57:34,060 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 983) no Hoare annotation was computed. [2023-11-19 07:57:34,060 INFO L899 garLoopResultBuilder]: For program point L843(lines 843 849) no Hoare annotation was computed. [2023-11-19 07:57:34,061 INFO L899 garLoopResultBuilder]: For program point L843-1(lines 843 849) no Hoare annotation was computed. [2023-11-19 07:57:34,061 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:57:34,061 INFO L899 garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 80 86) no Hoare annotation was computed. [2023-11-19 07:57:34,061 INFO L899 garLoopResultBuilder]: For program point stopSystem_returnLabel#1(lines 839 853) no Hoare annotation was computed. [2023-11-19 07:57:34,062 INFO L899 garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 87 95) no Hoare annotation was computed. [2023-11-19 07:57:34,062 INFO L899 garLoopResultBuilder]: For program point L1030(lines 967 1034) no Hoare annotation was computed. [2023-11-19 07:57:34,062 INFO L899 garLoopResultBuilder]: For program point L997(lines 997 1003) no Hoare annotation was computed. [2023-11-19 07:57:34,062 INFO L899 garLoopResultBuilder]: For program point L997-1(lines 997 1003) no Hoare annotation was computed. [2023-11-19 07:57:34,063 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 733) no Hoare annotation was computed. [2023-11-19 07:57:34,063 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (let ((.cse0 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) .cse2 (not .cse1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not .cse2) .cse0 .cse1 (< ~methaneLevelCritical~0 1))))) [2023-11-19 07:57:34,063 INFO L899 garLoopResultBuilder]: For program point L727-2(lines 720 736) no Hoare annotation was computed. [2023-11-19 07:57:34,063 INFO L899 garLoopResultBuilder]: For program point L725-1(line 725) no Hoare annotation was computed. [2023-11-19 07:57:34,063 INFO L899 garLoopResultBuilder]: For program point L810(lines 810 814) no Hoare annotation was computed. [2023-11-19 07:57:34,063 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 635 659) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2023-11-19 07:57:34,064 INFO L895 garLoopResultBuilder]: At program point L649(line 649) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0)) (.cse0 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (and .cse4 .cse5 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) .cse0)) (.cse2 (and .cse4 .cse5 (<= 2 ~waterLevel~0) .cse0)) (.cse3 (= 0 ~systemActive~0))) (and (or (not .cse0) .cse1 .cse2 .cse3 (< ~methaneLevelCritical~0 1)) (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3)))) [2023-11-19 07:57:34,064 INFO L899 garLoopResultBuilder]: For program point L810-2(lines 810 814) no Hoare annotation was computed. [2023-11-19 07:57:34,064 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 651) no Hoare annotation was computed. [2023-11-19 07:57:34,065 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 943 956) no Hoare annotation was computed. [2023-11-19 07:57:34,065 INFO L899 garLoopResultBuilder]: For program point L639(lines 639 656) no Hoare annotation was computed. [2023-11-19 07:57:34,065 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevel_returnLabel#1(lines 801 819) no Hoare annotation was computed. [2023-11-19 07:57:34,065 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 635 659) no Hoare annotation was computed. [2023-11-19 07:57:34,065 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 953) no Hoare annotation was computed. [2023-11-19 07:57:34,066 INFO L895 garLoopResultBuilder]: At program point L654(line 654) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (< ~methaneLevelCritical~0 1)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2023-11-19 07:57:34,066 INFO L899 garLoopResultBuilder]: For program point L654-1(lines 635 659) no Hoare annotation was computed. [2023-11-19 07:57:34,066 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensor_returnLabel#1(lines 712 719) no Hoare annotation was computed. [2023-11-19 07:57:34,066 INFO L899 garLoopResultBuilder]: For program point L882-1(lines 878 889) no Hoare annotation was computed. [2023-11-19 07:57:34,067 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 878 889) no Hoare annotation was computed. [2023-11-19 07:57:34,067 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 878 889) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (< ~methaneLevelCritical~0 1)) (or .cse2 .cse1 (= 0 ~systemActive~0)) (or .cse0 .cse2 .cse1))) [2023-11-19 07:57:34,067 INFO L902 garLoopResultBuilder]: At program point L750(line 750) the Hoare annotation is: true [2023-11-19 07:57:34,067 INFO L899 garLoopResultBuilder]: For program point L750-1(line 750) no Hoare annotation was computed. [2023-11-19 07:57:34,067 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 745 755) no Hoare annotation was computed. [2023-11-19 07:57:34,067 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 745 755) the Hoare annotation is: true [2023-11-19 07:57:34,068 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 745 755) no Hoare annotation was computed. [2023-11-19 07:57:34,070 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:34,073 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:57:34,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:57:34 BoogieIcfgContainer [2023-11-19 07:57:34,089 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:57:34,090 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:57:34,090 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:57:34,090 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:57:34,090 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:24" (3/4) ... [2023-11-19 07:57:34,092 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:57:34,096 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-19 07:57:34,096 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-19 07:57:34,097 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 07:57:34,097 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 07:57:34,097 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 07:57:34,097 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-19 07:57:34,097 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 07:57:34,098 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 07:57:34,098 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-19 07:57:34,098 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-19 07:57:34,112 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-19 07:57:34,113 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 07:57:34,114 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 07:57:34,114 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:57:34,115 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:57:34,156 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0))) || (((((methaneLevelCritical == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-19 07:57:34,214 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0))) || (((((methaneLevelCritical == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) [2023-11-19 07:57:34,273 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:57:34,274 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:57:34,274 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:57:34,274 INFO L158 Benchmark]: Toolchain (without parser) took 11352.75ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 124.6MB in the beginning and 77.8MB in the end (delta: 46.8MB). Peak memory consumption was 116.6MB. Max. memory is 16.1GB. [2023-11-19 07:57:34,275 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:57:34,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.04ms. Allocated memory is still 155.2MB. Free memory was 124.3MB in the beginning and 104.6MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:57:34,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.01ms. Allocated memory is still 155.2MB. Free memory was 104.6MB in the beginning and 102.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:57:34,278 INFO L158 Benchmark]: Boogie Preprocessor took 60.44ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 100.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:57:34,279 INFO L158 Benchmark]: RCFGBuilder took 540.07ms. Allocated memory is still 155.2MB. Free memory was 100.4MB in the beginning and 82.3MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:57:34,280 INFO L158 Benchmark]: TraceAbstraction took 9951.31ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 81.6MB in the beginning and 85.1MB in the end (delta: -3.6MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. [2023-11-19 07:57:34,280 INFO L158 Benchmark]: Witness Printer took 184.33ms. Allocated memory is still 224.4MB. Free memory was 85.1MB in the beginning and 77.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:57:34,284 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.04ms. Allocated memory is still 155.2MB. Free memory was 124.3MB in the beginning and 104.6MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.01ms. Allocated memory is still 155.2MB. Free memory was 104.6MB in the beginning and 102.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.44ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 100.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.07ms. Allocated memory is still 155.2MB. Free memory was 100.4MB in the beginning and 82.3MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9951.31ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 81.6MB in the beginning and 85.1MB in the end (delta: -3.6MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. * Witness Printer took 184.33ms. Allocated memory is still 224.4MB. Free memory was 85.1MB in the beginning and 77.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [96] - GenericResultAtLocation [Line: 124]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [124] - GenericResultAtLocation [Line: 490]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [490] - GenericResultAtLocation [Line: 591]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [591] - GenericResultAtLocation [Line: 862]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [862] - GenericResultAtLocation [Line: 966]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [966] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1448 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1402 mSDsluCounter, 5597 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4148 mSDsCounter, 368 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1630 IncrementalHoareTripleChecker+Invalid, 1998 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 368 mSolverCounterUnsat, 1449 mSDtfsCounter, 1630 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 305 SyntacticMatches, 1 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=887occurred in iteration=9, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 92 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 1405 PreInvPairs, 1548 NumberOfFragments, 969 HoareAnnotationTreeSize, 1405 FomulaSimplifications, 190 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 31 FomulaSimplificationsInter, 6265 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 797 NumberOfCodeBlocks, 797 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 784 ConstructedInterpolants, 0 QuantifiedInterpolants, 1413 SizeOfPredicates, 6 NumberOfNonLiveVariables, 638 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 114/119 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: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0))) || (((((methaneLevelCritical == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && !((0 == systemActive)))) RESULT: Ultimate proved your program to be correct! [2023-11-19 07:57:34,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a59f9081-4e12-4de3-8a5d-1d7094c187e2/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