./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c4da108453cefa034e9e2f20ae1a945f7f6bf5ea54205b9ec625406680c7ecea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:07:55,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:07:55,608 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:07:55,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:07:55,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:07:55,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:07:55,642 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:07:55,643 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:07:55,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:07:55,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:07:55,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:07:55,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:07:55,647 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:07:55,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:07:55,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:07:55,649 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:07:55,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:07:55,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:07:55,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:07:55,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:07:55,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:07:55,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:07:55,654 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:07:55,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:07:55,655 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:07:55,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:07:55,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:07:55,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:07:55,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:07:55,658 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:07:55,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:07:55,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:07:55,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:07:55,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:07:55,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:07:55,660 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:07:55,661 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:07:55,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:07:55,661 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:07:55,662 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_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4da108453cefa034e9e2f20ae1a945f7f6bf5ea54205b9ec625406680c7ecea [2023-11-06 23:07:56,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:07:56,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:07:56,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:07:56,068 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:07:56,069 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:07:56,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2023-11-06 23:07:59,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:07:59,618 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:07:59,619 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c [2023-11-06 23:07:59,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/data/b0c828528/700f4602f1224b29ad571434b57052b7/FLAGcb90934b6 [2023-11-06 23:07:59,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/data/b0c828528/700f4602f1224b29ad571434b57052b7 [2023-11-06 23:07:59,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:07:59,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:07:59,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:07:59,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:07:59,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:07:59,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:07:59" (1/1) ... [2023-11-06 23:07:59,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10aa9315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:59, skipping insertion in model container [2023-11-06 23:07:59,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:07:59" (1/1) ... [2023-11-06 23:07:59,718 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:07:59,912 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_7565d42b-0c32-4a84-b346-c68320a54368/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c[2044,2057] [2023-11-06 23:08:00,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:08:00,043 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:08:00,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2023-11-06 23:08:00,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] [2023-11-06 23:08:00,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [87] [2023-11-06 23:08:00,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [125] [2023-11-06 23:08:00,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [225] [2023-11-06 23:08:00,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [440] [2023-11-06 23:08:00,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [508] [2023-11-06 23:08:00,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [874] [2023-11-06 23:08:00,067 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_7565d42b-0c32-4a84-b346-c68320a54368/sv-benchmarks/c/product-lines/minepump_spec1_product47.cil.c[2044,2057] [2023-11-06 23:08:00,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:08:00,190 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:08:00,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:00 WrapperNode [2023-11-06 23:08:00,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:08:00,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:08:00,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:08:00,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:08:00,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:00" (1/1) ... [2023-11-06 23:08:00,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:00" (1/1) ... [2023-11-06 23:08:00,274 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 188 [2023-11-06 23:08:00,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:08:00,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:08:00,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:08:00,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:08:00,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:00" (1/1) ... [2023-11-06 23:08:00,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:00" (1/1) ... [2023-11-06 23:08:00,301 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:00" (1/1) ... [2023-11-06 23:08:00,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:00" (1/1) ... [2023-11-06 23:08:00,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:00" (1/1) ... [2023-11-06 23:08:00,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:00" (1/1) ... [2023-11-06 23:08:00,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:00" (1/1) ... [2023-11-06 23:08:00,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:00" (1/1) ... [2023-11-06 23:08:00,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:08:00,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:08:00,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:08:00,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:08:00,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:00" (1/1) ... [2023-11-06 23:08:00,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:08:00,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:08:00,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:08:00,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:08:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:08:00,477 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 23:08:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 23:08:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 23:08:00,478 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 23:08:00,478 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 23:08:00,479 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 23:08:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-06 23:08:00,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-06 23:08:00,479 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 23:08:00,480 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 23:08:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-06 23:08:00,480 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-06 23:08:00,480 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-06 23:08:00,481 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-06 23:08:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-06 23:08:00,481 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-06 23:08:00,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:08:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 23:08:00,482 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 23:08:00,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:08:00,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:08:00,574 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:08:00,577 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:08:00,903 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:08:00,913 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:08:00,913 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 23:08:00,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:08:00 BoogieIcfgContainer [2023-11-06 23:08:00,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:08:00,919 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:08:00,919 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:08:00,923 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:08:00,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:07:59" (1/3) ... [2023-11-06 23:08:00,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237c28d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:08:00, skipping insertion in model container [2023-11-06 23:08:00,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:08:00" (2/3) ... [2023-11-06 23:08:00,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237c28d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:08:00, skipping insertion in model container [2023-11-06 23:08:00,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:08:00" (3/3) ... [2023-11-06 23:08:00,926 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2023-11-06 23:08:00,949 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:08:00,949 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:08:01,011 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:08:01,018 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@f0897cd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:08:01,019 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:08:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 73 states have (on average 1.36986301369863) internal successors, (100), 82 states have internal predecessors, (100), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 23:08:01,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-06 23:08:01,035 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:01,036 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] [2023-11-06 23:08:01,037 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:08:01,042 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:01,043 INFO L85 PathProgramCache]: Analyzing trace with hash -707310338, now seen corresponding path program 1 times [2023-11-06 23:08:01,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:01,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348037340] [2023-11-06 23:08:01,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:01,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:01,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 23:08:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:01,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:08:01,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:01,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348037340] [2023-11-06 23:08:01,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348037340] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:01,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:01,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:08:01,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160609385] [2023-11-06 23:08:01,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:01,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:08:01,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:01,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:08:01,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:08:01,301 INFO L87 Difference]: Start difference. First operand has 100 states, 73 states have (on average 1.36986301369863) internal successors, (100), 82 states have internal predecessors, (100), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) 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) [2023-11-06 23:08:01,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:01,359 INFO L93 Difference]: Finished difference Result 192 states and 259 transitions. [2023-11-06 23:08:01,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:08:01,364 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 [2023-11-06 23:08:01,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:01,383 INFO L225 Difference]: With dead ends: 192 [2023-11-06 23:08:01,383 INFO L226 Difference]: Without dead ends: 91 [2023-11-06 23:08:01,390 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 [2023-11-06 23:08:01,399 INFO L413 NwaCegarLoop]: 126 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, 126 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 [2023-11-06 23:08:01,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:08:01,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-06 23:08:01,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-06 23:08:01,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 66 states have (on average 1.303030303030303) internal successors, (86), 74 states have internal predecessors, (86), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-06 23:08:01,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 117 transitions. [2023-11-06 23:08:01,492 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 117 transitions. Word has length 23 [2023-11-06 23:08:01,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:01,492 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 117 transitions. [2023-11-06 23:08:01,493 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) [2023-11-06 23:08:01,493 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2023-11-06 23:08:01,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-06 23:08:01,496 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:01,496 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] [2023-11-06 23:08:01,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:08:01,497 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:08:01,498 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:01,498 INFO L85 PathProgramCache]: Analyzing trace with hash 624156156, now seen corresponding path program 1 times [2023-11-06 23:08:01,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:01,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073583771] [2023-11-06 23:08:01,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:01,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:01,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-06 23:08:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:01,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:08:01,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:01,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073583771] [2023-11-06 23:08:01,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073583771] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:01,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:01,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:08:01,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216805071] [2023-11-06 23:08:01,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:01,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:08:01,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:01,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:08:01,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:08:01,628 INFO L87 Difference]: Start difference. First operand 91 states and 117 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) [2023-11-06 23:08:01,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:01,652 INFO L93 Difference]: Finished difference Result 144 states and 184 transitions. [2023-11-06 23:08:01,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:08:01,653 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 [2023-11-06 23:08:01,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:01,655 INFO L225 Difference]: With dead ends: 144 [2023-11-06 23:08:01,655 INFO L226 Difference]: Without dead ends: 82 [2023-11-06 23:08:01,656 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 [2023-11-06 23:08:01,658 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 16 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:01,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 187 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:08:01,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-06 23:08:01,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-06 23:08:01,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 68 states have internal predecessors, (79), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-06 23:08:01,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2023-11-06 23:08:01,675 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 24 [2023-11-06 23:08:01,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:01,676 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2023-11-06 23:08:01,676 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) [2023-11-06 23:08:01,676 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2023-11-06 23:08:01,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-06 23:08:01,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:01,679 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] [2023-11-06 23:08:01,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:08:01,679 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:08:01,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:01,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1800989914, now seen corresponding path program 1 times [2023-11-06 23:08:01,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:01,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420188132] [2023-11-06 23:08:01,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:01,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:01,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:08:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:01,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:08:01,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:01,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420188132] [2023-11-06 23:08:01,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420188132] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:01,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:01,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:08:01,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961311456] [2023-11-06 23:08:01,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:01,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:08:01,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:01,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:08:01,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:08:01,852 INFO L87 Difference]: Start difference. First operand 82 states and 105 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2023-11-06 23:08:01,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:01,898 INFO L93 Difference]: Finished difference Result 231 states and 301 transitions. [2023-11-06 23:08:01,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:08:01,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 28 [2023-11-06 23:08:01,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:01,902 INFO L225 Difference]: With dead ends: 231 [2023-11-06 23:08:01,902 INFO L226 Difference]: Without dead ends: 156 [2023-11-06 23:08:01,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:08:01,906 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 85 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:01,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 218 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:08:01,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-11-06 23:08:01,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 153. [2023-11-06 23:08:01,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 110 states have (on average 1.3363636363636364) internal successors, (147), 125 states have internal predecessors, (147), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 23:08:01,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 199 transitions. [2023-11-06 23:08:01,938 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 199 transitions. Word has length 28 [2023-11-06 23:08:01,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:01,939 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 199 transitions. [2023-11-06 23:08:01,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2023-11-06 23:08:01,939 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 199 transitions. [2023-11-06 23:08:01,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-06 23:08:01,942 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:01,942 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] [2023-11-06 23:08:01,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:08:01,943 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:08:01,943 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:01,944 INFO L85 PathProgramCache]: Analyzing trace with hash -40246052, now seen corresponding path program 1 times [2023-11-06 23:08:01,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:01,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155537672] [2023-11-06 23:08:01,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:01,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 23:08:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:08:02,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:02,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155537672] [2023-11-06 23:08:02,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155537672] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:02,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:02,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:08:02,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501784338] [2023-11-06 23:08:02,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:02,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:08:02,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:02,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:08:02,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:08:02,265 INFO L87 Difference]: Start difference. First operand 153 states and 199 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) [2023-11-06 23:08:02,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:02,399 INFO L93 Difference]: Finished difference Result 401 states and 530 transitions. [2023-11-06 23:08:02,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:08:02,400 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 [2023-11-06 23:08:02,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:02,404 INFO L225 Difference]: With dead ends: 401 [2023-11-06 23:08:02,404 INFO L226 Difference]: Without dead ends: 255 [2023-11-06 23:08:02,407 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 [2023-11-06 23:08:02,409 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 64 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:02,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 369 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:08:02,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-11-06 23:08:02,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 246. [2023-11-06 23:08:02,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 179 states have (on average 1.2905027932960893) internal successors, (231), 196 states have internal predecessors, (231), 36 states have call successors, (36), 30 states have call predecessors, (36), 30 states have return successors, (44), 33 states have call predecessors, (44), 36 states have call successors, (44) [2023-11-06 23:08:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 311 transitions. [2023-11-06 23:08:02,452 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 311 transitions. Word has length 32 [2023-11-06 23:08:02,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:02,453 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 311 transitions. [2023-11-06 23:08:02,453 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) [2023-11-06 23:08:02,454 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 311 transitions. [2023-11-06 23:08:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-06 23:08:02,457 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:02,457 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:08:02,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:08:02,458 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:08:02,458 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:02,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1083319393, now seen corresponding path program 1 times [2023-11-06 23:08:02,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:02,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731807051] [2023-11-06 23:08:02,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:02,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:08:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 23:08:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:08:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 23:08:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:02,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:08:02,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:02,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731807051] [2023-11-06 23:08:02,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731807051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:02,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:02,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:08:02,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658851390] [2023-11-06 23:08:02,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:02,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:08:02,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:02,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:08:02,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:08:02,673 INFO L87 Difference]: Start difference. First operand 246 states and 311 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:08:03,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:03,048 INFO L93 Difference]: Finished difference Result 569 states and 736 transitions. [2023-11-06 23:08:03,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 23:08:03,049 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2023-11-06 23:08:03,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:03,054 INFO L225 Difference]: With dead ends: 569 [2023-11-06 23:08:03,055 INFO L226 Difference]: Without dead ends: 330 [2023-11-06 23:08:03,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:08:03,060 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 226 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:03,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 381 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:08:03,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2023-11-06 23:08:03,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 294. [2023-11-06 23:08:03,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 217 states have (on average 1.2672811059907834) internal successors, (275), 234 states have internal predecessors, (275), 40 states have call successors, (40), 30 states have call predecessors, (40), 36 states have return successors, (54), 41 states have call predecessors, (54), 40 states have call successors, (54) [2023-11-06 23:08:03,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 369 transitions. [2023-11-06 23:08:03,111 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 369 transitions. Word has length 54 [2023-11-06 23:08:03,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:03,112 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 369 transitions. [2023-11-06 23:08:03,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:08:03,112 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 369 transitions. [2023-11-06 23:08:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-06 23:08:03,115 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:03,116 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:08:03,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:08:03,116 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:08:03,117 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:03,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1105951647, now seen corresponding path program 1 times [2023-11-06 23:08:03,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:03,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548588214] [2023-11-06 23:08:03,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:03,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:03,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:08:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:03,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 23:08:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:03,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:08:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 23:08:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:03,324 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:08:03,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:03,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548588214] [2023-11-06 23:08:03,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548588214] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:03,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:03,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:08:03,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059580675] [2023-11-06 23:08:03,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:03,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:08:03,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:03,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:08:03,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:08:03,333 INFO L87 Difference]: Start difference. First operand 294 states and 369 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:08:03,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:03,608 INFO L93 Difference]: Finished difference Result 599 states and 772 transitions. [2023-11-06 23:08:03,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:08:03,609 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2023-11-06 23:08:03,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:03,616 INFO L225 Difference]: With dead ends: 599 [2023-11-06 23:08:03,616 INFO L226 Difference]: Without dead ends: 312 [2023-11-06 23:08:03,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:08:03,627 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 64 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:03,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 331 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:08:03,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2023-11-06 23:08:03,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 300. [2023-11-06 23:08:03,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 223 states have (on average 1.2600896860986548) internal successors, (281), 240 states have internal predecessors, (281), 40 states have call successors, (40), 30 states have call predecessors, (40), 36 states have return successors, (54), 41 states have call predecessors, (54), 40 states have call successors, (54) [2023-11-06 23:08:03,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 375 transitions. [2023-11-06 23:08:03,694 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 375 transitions. Word has length 54 [2023-11-06 23:08:03,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:03,694 INFO L495 AbstractCegarLoop]: Abstraction has 300 states and 375 transitions. [2023-11-06 23:08:03,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:08:03,695 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 375 transitions. [2023-11-06 23:08:03,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-06 23:08:03,706 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:03,706 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:08:03,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:08:03,707 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:08:03,707 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:03,707 INFO L85 PathProgramCache]: Analyzing trace with hash -808559779, now seen corresponding path program 1 times [2023-11-06 23:08:03,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:03,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044902034] [2023-11-06 23:08:03,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:03,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:08:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:03,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 23:08:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:03,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:08:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:03,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 23:08:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:03,904 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:08:03,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:03,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044902034] [2023-11-06 23:08:03,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044902034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:03,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:03,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:08:03,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211222579] [2023-11-06 23:08:03,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:03,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:08:03,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:03,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:08:03,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:08:03,912 INFO L87 Difference]: Start difference. First operand 300 states and 375 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-06 23:08:04,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:04,227 INFO L93 Difference]: Finished difference Result 841 states and 1094 transitions. [2023-11-06 23:08:04,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:08:04,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 54 [2023-11-06 23:08:04,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:04,235 INFO L225 Difference]: With dead ends: 841 [2023-11-06 23:08:04,236 INFO L226 Difference]: Without dead ends: 548 [2023-11-06 23:08:04,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:08:04,245 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 222 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:04,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 281 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:08:04,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2023-11-06 23:08:04,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 541. [2023-11-06 23:08:04,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 404 states have (on average 1.24009900990099) internal successors, (501), 430 states have internal predecessors, (501), 71 states have call successors, (71), 63 states have call predecessors, (71), 65 states have return successors, (109), 70 states have call predecessors, (109), 71 states have call successors, (109) [2023-11-06 23:08:04,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 681 transitions. [2023-11-06 23:08:04,328 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 681 transitions. Word has length 54 [2023-11-06 23:08:04,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:04,329 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 681 transitions. [2023-11-06 23:08:04,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-06 23:08:04,330 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 681 transitions. [2023-11-06 23:08:04,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 23:08:04,333 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:04,334 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:08:04,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 23:08:04,335 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:08:04,335 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:04,335 INFO L85 PathProgramCache]: Analyzing trace with hash -734125181, now seen corresponding path program 1 times [2023-11-06 23:08:04,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:04,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050105434] [2023-11-06 23:08:04,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:04,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:04,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 23:08:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:04,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 23:08:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:04,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 23:08:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:04,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:08:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:04,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 23:08:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:04,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:08:04,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:04,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050105434] [2023-11-06 23:08:04,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050105434] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:04,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:04,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 23:08:04,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346689045] [2023-11-06 23:08:04,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:04,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 23:08:04,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:04,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 23:08:04,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:08:04,702 INFO L87 Difference]: Start difference. First operand 541 states and 681 transitions. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 23:08:05,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:05,814 INFO L93 Difference]: Finished difference Result 1761 states and 2323 transitions. [2023-11-06 23:08:05,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-11-06 23:08:05,815 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2023-11-06 23:08:05,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:05,827 INFO L225 Difference]: With dead ends: 1761 [2023-11-06 23:08:05,828 INFO L226 Difference]: Without dead ends: 1227 [2023-11-06 23:08:05,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2023-11-06 23:08:05,833 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 406 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:05,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 471 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 23:08:05,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2023-11-06 23:08:05,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1171. [2023-11-06 23:08:05,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 860 states have (on average 1.2093023255813953) internal successors, (1040), 925 states have internal predecessors, (1040), 168 states have call successors, (168), 122 states have call predecessors, (168), 142 states have return successors, (294), 166 states have call predecessors, (294), 168 states have call successors, (294) [2023-11-06 23:08:06,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1502 transitions. [2023-11-06 23:08:06,004 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1502 transitions. Word has length 58 [2023-11-06 23:08:06,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:06,004 INFO L495 AbstractCegarLoop]: Abstraction has 1171 states and 1502 transitions. [2023-11-06 23:08:06,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 23:08:06,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1502 transitions. [2023-11-06 23:08:06,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-06 23:08:06,009 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:06,010 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2023-11-06 23:08:06,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 23:08:06,010 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:08:06,010 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:06,010 INFO L85 PathProgramCache]: Analyzing trace with hash -353852961, now seen corresponding path program 1 times [2023-11-06 23:08:06,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:06,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138555489] [2023-11-06 23:08:06,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:06,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:06,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 23:08:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:06,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 23:08:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:06,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 23:08:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:06,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 23:08:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:06,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:08:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:06,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 23:08:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:06,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-06 23:08:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:06,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 23:08:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:06,169 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 23:08:06,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:06,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138555489] [2023-11-06 23:08:06,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138555489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:06,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:06,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:08:06,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944042820] [2023-11-06 23:08:06,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:06,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:08:06,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:06,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:08:06,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:08:06,175 INFO L87 Difference]: Start difference. First operand 1171 states and 1502 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-06 23:08:06,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:06,826 INFO L93 Difference]: Finished difference Result 1419 states and 1810 transitions. [2023-11-06 23:08:06,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 23:08:06,827 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 89 [2023-11-06 23:08:06,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:06,833 INFO L225 Difference]: With dead ends: 1419 [2023-11-06 23:08:06,833 INFO L226 Difference]: Without dead ends: 592 [2023-11-06 23:08:06,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2023-11-06 23:08:06,839 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 311 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:06,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 237 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 23:08:06,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2023-11-06 23:08:06,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 572. [2023-11-06 23:08:06,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 420 states have (on average 1.1714285714285715) internal successors, (492), 450 states have internal predecessors, (492), 81 states have call successors, (81), 60 states have call predecessors, (81), 70 states have return successors, (144), 81 states have call predecessors, (144), 81 states have call successors, (144) [2023-11-06 23:08:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 717 transitions. [2023-11-06 23:08:06,941 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 717 transitions. Word has length 89 [2023-11-06 23:08:06,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:06,941 INFO L495 AbstractCegarLoop]: Abstraction has 572 states and 717 transitions. [2023-11-06 23:08:06,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 4 states have internal predecessors, (68), 4 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-06 23:08:06,941 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 717 transitions. [2023-11-06 23:08:06,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-06 23:08:06,945 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:06,945 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:08:06,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 23:08:06,945 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:08:06,946 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:06,946 INFO L85 PathProgramCache]: Analyzing trace with hash -753408287, now seen corresponding path program 1 times [2023-11-06 23:08:06,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:08:06,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376582475] [2023-11-06 23:08:06,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:06,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:08:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:07,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 23:08:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:07,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 23:08:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:07,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 23:08:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:07,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 23:08:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:07,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:08:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:07,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 23:08:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:07,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-06 23:08:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:07,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 23:08:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:07,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 23:08:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:07,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-06 23:08:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:07,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:08:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:07,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-06 23:08:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:07,397 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-06 23:08:07,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:08:07,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376582475] [2023-11-06 23:08:07,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376582475] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:08:07,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560226171] [2023-11-06 23:08:07,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:07,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:08:07,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:08:07,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:08:07,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:08:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:07,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 23:08:07,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:08:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 23:08:07,789 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:08:07,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560226171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:07,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:08:07,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2023-11-06 23:08:07,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065083517] [2023-11-06 23:08:07,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:07,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:08:07,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:08:07,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:08:07,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2023-11-06 23:08:07,792 INFO L87 Difference]: Start difference. First operand 572 states and 717 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-06 23:08:08,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:08,115 INFO L93 Difference]: Finished difference Result 1262 states and 1580 transitions. [2023-11-06 23:08:08,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:08:08,116 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 106 [2023-11-06 23:08:08,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:08,118 INFO L225 Difference]: With dead ends: 1262 [2023-11-06 23:08:08,118 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 23:08:08,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2023-11-06 23:08:08,125 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 59 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:08,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 913 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:08:08,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 23:08:08,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 23:08:08,127 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) [2023-11-06 23:08:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 23:08:08,128 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 106 [2023-11-06 23:08:08,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:08,128 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:08:08,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-06 23:08:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:08:08,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 23:08:08,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:08:08,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:08:08,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 23:08:08,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 23:08:13,406 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 342 349) no Hoare annotation was computed. [2023-11-06 23:08:13,406 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 342 349) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (< ~waterLevel~0 2) (= 0 ~systemActive~0)) (or .cse0 (not (= 1 ~systemActive~0))))) [2023-11-06 23:08:13,406 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 342 349) no Hoare annotation was computed. [2023-11-06 23:08:13,407 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 258 264) no Hoare annotation was computed. [2023-11-06 23:08:13,407 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 258 264) the Hoare annotation is: true [2023-11-06 23:08:13,407 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 158 169) no Hoare annotation was computed. [2023-11-06 23:08:13,407 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 158 169) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 0) .cse2) (or .cse0 .cse2 .cse1 (< |old(~methaneLevelCritical~0)| 1)))) [2023-11-06 23:08:13,407 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 158 169) no Hoare annotation was computed. [2023-11-06 23:08:13,407 INFO L899 garLoopResultBuilder]: For program point L897(line 897) no Hoare annotation was computed. [2023-11-06 23:08:13,407 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 876 905) no Hoare annotation was computed. [2023-11-06 23:08:13,407 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 894) no Hoare annotation was computed. [2023-11-06 23:08:13,407 INFO L902 garLoopResultBuilder]: At program point L890-1(lines 890 894) the Hoare annotation is: true [2023-11-06 23:08:13,408 INFO L899 garLoopResultBuilder]: For program point L887(line 887) no Hoare annotation was computed. [2023-11-06 23:08:13,408 INFO L902 garLoopResultBuilder]: At program point L886-2(lines 886 900) the Hoare annotation is: true [2023-11-06 23:08:13,408 INFO L902 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2023-11-06 23:08:13,408 INFO L899 garLoopResultBuilder]: For program point L882-1(line 882) no Hoare annotation was computed. [2023-11-06 23:08:13,408 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 876 905) the Hoare annotation is: true [2023-11-06 23:08:13,408 INFO L902 garLoopResultBuilder]: At program point L901(lines 876 905) the Hoare annotation is: true [2023-11-06 23:08:13,408 INFO L899 garLoopResultBuilder]: For program point L238-1(lines 237 256) no Hoare annotation was computed. [2023-11-06 23:08:13,408 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 308) no Hoare annotation was computed. [2023-11-06 23:08:13,408 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 313) no Hoare annotation was computed. [2023-11-06 23:08:13,408 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 234 257) no Hoare annotation was computed. [2023-11-06 23:08:13,409 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2023-11-06 23:08:13,409 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2023-11-06 23:08:13,409 INFO L895 garLoopResultBuilder]: At program point L61-1(lines 53 77) the Hoare annotation is: (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (and .cse1 .cse2) .cse3) (or .cse0 .cse4 .cse2 .cse5) (or .cse1 .cse4 .cse5) (or .cse0 .cse6 .cse7 .cse3) (or .cse4 (and .cse6 (<= 2 ~waterLevel~0)) (and .cse1 .cse6) .cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6)) (or .cse0 .cse4 .cse7 .cse2))) [2023-11-06 23:08:13,409 INFO L899 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2023-11-06 23:08:13,409 INFO L895 garLoopResultBuilder]: At program point L306(line 306) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse0 (< ~methaneLevelCritical~0 1)) (or .cse2 (not (= 0 ~systemActive~0))))) [2023-11-06 23:08:13,409 INFO L895 garLoopResultBuilder]: At program point L302(line 302) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (and .cse0 (<= 1 |timeShift_processEnvironment_~tmp~2#1|)) .cse3) (or .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2) (or .cse4 (not (= 0 ~systemActive~0))))) [2023-11-06 23:08:13,410 INFO L895 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse2 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse5)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5)) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse3 .cse0 .cse4) (or .cse0 .cse4 .cse1) (or .cse3 (not (= 0 ~systemActive~0)))))) [2023-11-06 23:08:13,410 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 79 86) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (< ~methaneLevelCritical~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (not (= 0 ~systemActive~0))))) [2023-11-06 23:08:13,410 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 234 257) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) (not (= 0 ~systemActive~0))) (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or .cse1 .cse2 (< ~methaneLevelCritical~0 1))))) [2023-11-06 23:08:13,410 INFO L899 garLoopResultBuilder]: For program point L298-1(line 298) no Hoare annotation was computed. [2023-11-06 23:08:13,410 INFO L895 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (and .cse1 .cse2) (not (= 0 ~systemActive~0))) (or .cse0 .cse3 .cse2 .cse4) (or .cse1 .cse3 .cse4) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse3 (<= 2 ~waterLevel~0) .cse5) (or .cse0 .cse3 .cse5 .cse2))) [2023-11-06 23:08:13,411 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2023-11-06 23:08:13,411 INFO L895 garLoopResultBuilder]: At program point L311(line 311) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 0) .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (< ~methaneLevelCritical~0 1)) (or (not .cse2) (not (= 0 ~systemActive~0)))))) [2023-11-06 23:08:13,411 INFO L895 garLoopResultBuilder]: At program point L311-1(lines 292 316) the Hoare annotation is: (let ((.cse3 (< ~methaneLevelCritical~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse1 (<= 2 ~waterLevel~0) .cse5) (or .cse0 .cse1 .cse5 .cse2) (or .cse0 (not (= 0 ~systemActive~0))))) [2023-11-06 23:08:13,411 INFO L899 garLoopResultBuilder]: For program point L245-1(lines 245 251) no Hoare annotation was computed. [2023-11-06 23:08:13,411 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 234 257) no Hoare annotation was computed. [2023-11-06 23:08:13,411 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 142) no Hoare annotation was computed. [2023-11-06 23:08:13,412 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 361 369) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 (and .cse6 .cse7 .cse2) .cse5) (or .cse1 (and .cse6 .cse7) .cse3) (or .cse1 .cse4))) [2023-11-06 23:08:13,417 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 83) no Hoare annotation was computed. [2023-11-06 23:08:13,417 INFO L895 garLoopResultBuilder]: At program point L138-2(lines 134 145) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse2 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse5)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5)) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse3 .cse0 .cse4) (or .cse0 .cse4 .cse1) (or .cse3 (not (= 0 ~systemActive~0)))))) [2023-11-06 23:08:13,417 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 170 178) the Hoare annotation is: true [2023-11-06 23:08:13,417 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 170 178) no Hoare annotation was computed. [2023-11-06 23:08:13,418 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 170 178) no Hoare annotation was computed. [2023-11-06 23:08:13,418 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 937 946) the Hoare annotation is: true [2023-11-06 23:08:13,418 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 102 108) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:08:13,418 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 947 969) the Hoare annotation is: true [2023-11-06 23:08:13,418 INFO L899 garLoopResultBuilder]: For program point L453(lines 452 499) no Hoare annotation was computed. [2023-11-06 23:08:13,419 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 495) no Hoare annotation was computed. [2023-11-06 23:08:13,419 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 23:08:13,419 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 964) no Hoare annotation was computed. [2023-11-06 23:08:13,419 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 23:08:13,419 INFO L899 garLoopResultBuilder]: For program point L957-2(lines 957 964) no Hoare annotation was computed. [2023-11-06 23:08:13,419 INFO L895 garLoopResultBuilder]: At program point L474(line 474) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and (= ~methaneLevelCritical~0 0) .cse2 .cse1) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse1))) [2023-11-06 23:08:13,420 INFO L902 garLoopResultBuilder]: At program point L503(lines 442 507) the Hoare annotation is: true [2023-11-06 23:08:13,420 INFO L899 garLoopResultBuilder]: For program point L462(lines 462 468) no Hoare annotation was computed. [2023-11-06 23:08:13,420 INFO L899 garLoopResultBuilder]: For program point L462-1(lines 462 468) no Hoare annotation was computed. [2023-11-06 23:08:13,420 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 435) no Hoare annotation was computed. [2023-11-06 23:08:13,420 INFO L899 garLoopResultBuilder]: For program point L429-1(lines 429 435) no Hoare annotation was computed. [2023-11-06 23:08:13,420 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 930 936) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:08:13,420 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 458) no Hoare annotation was computed. [2023-11-06 23:08:13,421 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 23:08:13,421 INFO L895 garLoopResultBuilder]: At program point L500(lines 451 501) the Hoare annotation is: false [2023-11-06 23:08:13,421 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 23:08:13,421 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:08:13,421 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 494) no Hoare annotation was computed. [2023-11-06 23:08:13,421 INFO L895 garLoopResultBuilder]: At program point L488-2(lines 482 495) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse1 (= 0 ~systemActive~0)) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2023-11-06 23:08:13,422 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 478) no Hoare annotation was computed. [2023-11-06 23:08:13,422 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 472 478) no Hoare annotation was computed. [2023-11-06 23:08:13,422 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 425 439) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 0 ~systemActive~0)) [2023-11-06 23:08:13,424 INFO L895 garLoopResultBuilder]: At program point L497(lines 452 499) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and (= ~methaneLevelCritical~0 0) .cse2 .cse1) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse1))) [2023-11-06 23:08:13,424 INFO L895 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and (= ~methaneLevelCritical~0 0) .cse2 .cse1) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse1))) [2023-11-06 23:08:13,424 INFO L895 garLoopResultBuilder]: At program point L431(line 431) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2023-11-06 23:08:13,424 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 116 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 23:08:13,425 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 146 157) no Hoare annotation was computed. [2023-11-06 23:08:13,425 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 146 157) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 .cse2 .cse1 (< ~methaneLevelCritical~0 1)))) [2023-11-06 23:08:13,425 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 146 157) no Hoare annotation was computed. [2023-11-06 23:08:13,425 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 419) no Hoare annotation was computed. [2023-11-06 23:08:13,425 INFO L899 garLoopResultBuilder]: For program point L415-2(lines 415 419) no Hoare annotation was computed. [2023-11-06 23:08:13,426 INFO L895 garLoopResultBuilder]: At program point L285(line 285) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (< ~methaneLevelCritical~0 1)) (or .cse2 .cse0 .cse1))) [2023-11-06 23:08:13,426 INFO L899 garLoopResultBuilder]: For program point L285-1(lines 266 290) no Hoare annotation was computed. [2023-11-06 23:08:13,426 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 221) no Hoare annotation was computed. [2023-11-06 23:08:13,426 INFO L895 garLoopResultBuilder]: At program point activatePump__wrappee__highWaterSensor_returnLabel#1(lines 317 324) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (< ~methaneLevelCritical~0 1)) (or .cse0 (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0))))) [2023-11-06 23:08:13,426 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 266 290) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (< ~methaneLevelCritical~0 1)))) [2023-11-06 23:08:13,427 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 211 224) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse5 (= 1 ~systemActive~0))) (let ((.cse1 (not .cse5)) (.cse2 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse4 (and .cse3 (<= 2 ~waterLevel~0) .cse5 .cse0))) (and (or (not .cse0) .cse1 (and .cse2 .cse3) .cse4 (< ~methaneLevelCritical~0 1)) (or .cse1 (and .cse2 .cse3 .cse0) (not (= ~methaneLevelCritical~0 0)) .cse4)))) [2023-11-06 23:08:13,427 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 406 424) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse5 (= 1 ~systemActive~0))) (let ((.cse1 (not .cse5)) (.cse2 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0) .cse4 .cse5 .cse0 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (.cse3 (and .cse4 (<= 2 ~waterLevel~0) .cse5 .cse0))) (and (or (not .cse0) .cse1 .cse2 .cse3 (< ~methaneLevelCritical~0 1)) (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3)))) [2023-11-06 23:08:13,427 INFO L895 garLoopResultBuilder]: At program point L280(line 280) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse3 (= 1 ~systemActive~0))) (let ((.cse1 (not .cse3)) (.cse2 (and (= ~pumpRunning~0 0) .cse3 .cse0 (= |processEnvironment__wrappee__methaneQuery_~tmp~1#1| 0)))) (and (or (not .cse0) .cse1 .cse2 (< ~methaneLevelCritical~0 1)) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)))))) [2023-11-06 23:08:13,427 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 282) no Hoare annotation was computed. [2023-11-06 23:08:13,427 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 287) no Hoare annotation was computed. [2023-11-06 23:08:13,427 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 338) no Hoare annotation was computed. [2023-11-06 23:08:13,428 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 266 290) no Hoare annotation was computed. [2023-11-06 23:08:13,428 INFO L895 garLoopResultBuilder]: At program point L330(line 330) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) .cse0))) (and (or (not .cse0) .cse1 .cse2 (< ~methaneLevelCritical~0 1)) (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)))) [2023-11-06 23:08:13,428 INFO L895 garLoopResultBuilder]: At program point L332-2(lines 325 341) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) .cse1 (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~3#1| ~methaneLevelCritical~0)) (< ~methaneLevelCritical~0 1)) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2023-11-06 23:08:13,429 INFO L899 garLoopResultBuilder]: For program point L330-1(line 330) no Hoare annotation was computed. [2023-11-06 23:08:13,429 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 350 360) no Hoare annotation was computed. [2023-11-06 23:08:13,429 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 350 360) the Hoare annotation is: true [2023-11-06 23:08:13,429 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 350 360) no Hoare annotation was computed. [2023-11-06 23:08:13,429 INFO L902 garLoopResultBuilder]: At program point L355(line 355) the Hoare annotation is: true [2023-11-06 23:08:13,429 INFO L899 garLoopResultBuilder]: For program point L355-1(line 355) no Hoare annotation was computed. [2023-11-06 23:08:13,433 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:08:13,435 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:08:13,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:08:13 BoogieIcfgContainer [2023-11-06 23:08:13,493 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:08:13,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:08:13,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:08:13,494 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:08:13,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:08:00" (3/4) ... [2023-11-06 23:08:13,497 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:08:13,502 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-06 23:08:13,502 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 23:08:13,502 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 23:08:13,502 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 23:08:13,502 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 23:08:13,503 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-06 23:08:13,503 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 23:08:13,503 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-06 23:08:13,503 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-06 23:08:13,519 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-06 23:08:13,520 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 23:08:13,520 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 23:08:13,521 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:08:13,522 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:08:13,555 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || ((pumpRunning == \old(pumpRunning)) && (1 == systemActive))) || (methaneLevelCritical < 1)) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || ((pumpRunning == \old(pumpRunning)) && (1 == systemActive)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 23:08:13,556 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) == waterLevel)) || (methaneLevelCritical < 1)) && (((pumpRunning == 0) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((((pumpRunning == \old(pumpRunning)) || (pumpRunning == 0)) || !((1 == systemActive))) || (2 <= waterLevel)) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 23:08:13,558 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) == waterLevel)) || (methaneLevelCritical < 1))) && (((pumpRunning == 0) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || (tmp == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((!((1 == systemActive)) || ((tmp == 0) && (2 <= waterLevel))) || ((pumpRunning == 0) && (tmp == 0))) || !((methaneLevelCritical == 0))) || ((pumpRunning == \old(pumpRunning)) && (tmp == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) [2023-11-06 23:08:13,559 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) == waterLevel)) || (methaneLevelCritical < 1)) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && ((!((1 == systemActive)) || ((pumpRunning == 0) && (\result == 0))) || (methaneLevelCritical < 1))) && (!((1 == systemActive)) || !((methaneLevelCritical == 0)))) [2023-11-06 23:08:13,559 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 <= waterLevel)) && (tmp == methaneLevelCritical))) || (methaneLevelCritical < 1)) && ((!((1 == systemActive)) || (2 <= waterLevel)) || !((methaneLevelCritical == 0)))) [2023-11-06 23:08:13,559 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (methaneLevelCritical < 1)) && ((!((1 == systemActive)) || (2 <= waterLevel)) || !((methaneLevelCritical == 0)))) [2023-11-06 23:08:13,560 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((1 <= \result) && (pumpRunning == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || (methaneLevelCritical < 1)) && (((!((1 == systemActive)) || (((1 <= \result) && (pumpRunning == 0)) && (\old(pumpRunning) == 0))) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0)))) [2023-11-06 23:08:13,560 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) && (!((1 == systemActive)) || (methaneLevelCritical < 1))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 23:08:13,560 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((((tmp___0 == 0) && (pumpRunning == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || (methaneLevelCritical < 1)) && (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (((((tmp___0 == 0) && (pumpRunning == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0)))) [2023-11-06 23:08:13,616 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || ((pumpRunning == \old(pumpRunning)) && (1 == systemActive))) || (methaneLevelCritical < 1)) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || ((pumpRunning == \old(pumpRunning)) && (1 == systemActive)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 23:08:13,616 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) == waterLevel)) || (methaneLevelCritical < 1)) && (((pumpRunning == 0) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((((pumpRunning == \old(pumpRunning)) || (pumpRunning == 0)) || !((1 == systemActive))) || (2 <= waterLevel)) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 23:08:13,617 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) == waterLevel)) || (methaneLevelCritical < 1))) && (((pumpRunning == 0) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || (tmp == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((!((1 == systemActive)) || ((tmp == 0) && (2 <= waterLevel))) || ((pumpRunning == 0) && (tmp == 0))) || !((methaneLevelCritical == 0))) || ((pumpRunning == \old(pumpRunning)) && (tmp == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) [2023-11-06 23:08:13,617 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) == waterLevel)) || (methaneLevelCritical < 1)) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && ((!((1 == systemActive)) || ((pumpRunning == 0) && (\result == 0))) || (methaneLevelCritical < 1))) && (!((1 == systemActive)) || !((methaneLevelCritical == 0)))) [2023-11-06 23:08:13,618 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 <= waterLevel)) && (tmp == methaneLevelCritical))) || (methaneLevelCritical < 1)) && ((!((1 == systemActive)) || (2 <= waterLevel)) || !((methaneLevelCritical == 0)))) [2023-11-06 23:08:13,618 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (methaneLevelCritical < 1)) && ((!((1 == systemActive)) || (2 <= waterLevel)) || !((methaneLevelCritical == 0)))) [2023-11-06 23:08:13,618 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((1 <= \result) && (pumpRunning == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || (methaneLevelCritical < 1)) && (((!((1 == systemActive)) || (((1 <= \result) && (pumpRunning == 0)) && (\old(pumpRunning) == 0))) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0)))) [2023-11-06 23:08:13,618 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) && (!((1 == systemActive)) || (methaneLevelCritical < 1))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 23:08:13,618 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((((tmp___0 == 0) && (pumpRunning == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || (methaneLevelCritical < 1)) && (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (((((tmp___0 == 0) && (pumpRunning == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0)))) [2023-11-06 23:08:13,659 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:08:13,660 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:08:13,660 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:08:13,661 INFO L158 Benchmark]: Toolchain (without parser) took 14004.54ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 111.8MB in the beginning and 154.8MB in the end (delta: -43.1MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2023-11-06 23:08:13,661 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 104.9MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:08:13,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.76ms. Allocated memory is still 151.0MB. Free memory was 111.1MB in the beginning and 92.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 23:08:13,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.16ms. Allocated memory is still 151.0MB. Free memory was 92.2MB in the beginning and 90.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:08:13,662 INFO L158 Benchmark]: Boogie Preprocessor took 68.41ms. Allocated memory is still 151.0MB. Free memory was 90.1MB in the beginning and 88.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:08:13,663 INFO L158 Benchmark]: RCFGBuilder took 571.68ms. Allocated memory is still 151.0MB. Free memory was 88.7MB in the beginning and 107.2MB in the end (delta: -18.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:08:13,663 INFO L158 Benchmark]: TraceAbstraction took 12574.52ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 106.5MB in the beginning and 163.2MB in the end (delta: -56.7MB). Peak memory consumption was 121.5MB. Max. memory is 16.1GB. [2023-11-06 23:08:13,664 INFO L158 Benchmark]: Witness Printer took 166.24ms. Allocated memory is still 220.2MB. Free memory was 163.2MB in the beginning and 154.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 23:08:13,668 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 104.9MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.76ms. Allocated memory is still 151.0MB. Free memory was 111.1MB in the beginning and 92.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.16ms. Allocated memory is still 151.0MB. Free memory was 92.2MB in the beginning and 90.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.41ms. Allocated memory is still 151.0MB. Free memory was 90.1MB in the beginning and 88.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.68ms. Allocated memory is still 151.0MB. Free memory was 88.7MB in the beginning and 107.2MB in the end (delta: -18.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 12574.52ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 106.5MB in the beginning and 163.2MB in the end (delta: -56.7MB). Peak memory consumption was 121.5MB. Max. memory is 16.1GB. * Witness Printer took 166.24ms. Allocated memory is still 220.2MB. Free memory was 163.2MB in the beginning and 154.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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,"Specification1_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [78] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [87] - GenericResultAtLocation [Line: 125]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [125] - GenericResultAtLocation [Line: 225]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [225] - GenericResultAtLocation [Line: 440]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [440] - GenericResultAtLocation [Line: 508]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [508] - GenericResultAtLocation [Line: 874]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [874] * 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: 83]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.4s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1501 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1453 mSDsluCounter, 3514 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2486 mSDsCounter, 441 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1584 IncrementalHoareTripleChecker+Invalid, 2025 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 441 mSolverCounterUnsat, 1028 mSDtfsCounter, 1584 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 296 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1171occurred in iteration=8, InterpolantAutomatonStates: 88, 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, 10 MinimizatonAttempts, 143 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 1773 PreInvPairs, 2182 NumberOfFragments, 1370 HoareAnnotationTreeSize, 1773 FomulaSimplifications, 6993 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 45 FomulaSimplificationsInter, 12340 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 628 NumberOfCodeBlocks, 628 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 617 ConstructedInterpolants, 0 QuantifiedInterpolants, 1085 SizeOfPredicates, 3 NumberOfNonLiveVariables, 339 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 112/124 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: 325]: Loop Invariant Derived loop invariant: ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 <= waterLevel)) && (tmp == methaneLevelCritical))) || (methaneLevelCritical < 1)) && ((!((1 == systemActive)) || (2 <= waterLevel)) || !((methaneLevelCritical == 0)))) - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 == systemActive)) - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) && (!((1 == systemActive)) || (methaneLevelCritical < 1))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (splverifierCounter == 0)) && (0 == systemActive)) || (((methaneLevelCritical == 0) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0))) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) == waterLevel)) || (methaneLevelCritical < 1))) && (((pumpRunning == 0) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((!((\old(pumpRunning) == 0)) || (tmp == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((((!((1 == systemActive)) || ((tmp == 0) && (2 <= waterLevel))) || ((pumpRunning == 0) && (tmp == 0))) || !((methaneLevelCritical == 0))) || ((pumpRunning == \old(pumpRunning)) && (tmp == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (methaneLevelCritical < 1)) && ((!((1 == systemActive)) || (2 <= waterLevel)) || !((methaneLevelCritical == 0)))) - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: (((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) == waterLevel)) || (methaneLevelCritical < 1)) && ((!((\old(pumpRunning) == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (\result == 0)) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && ((!((1 == systemActive)) || ((pumpRunning == 0) && (\result == 0))) || (methaneLevelCritical < 1))) && (!((1 == systemActive)) || !((methaneLevelCritical == 0)))) - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((1 <= \result) && (pumpRunning == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || (methaneLevelCritical < 1)) && (((!((1 == systemActive)) || (((1 <= \result) && (pumpRunning == 0)) && (\old(pumpRunning) == 0))) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0)))) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((((!((1 == systemActive)) || ((pumpRunning == \old(pumpRunning)) && (1 == systemActive))) || (methaneLevelCritical < 1)) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && ((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || ((pumpRunning == \old(pumpRunning)) && (1 == systemActive)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: (((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (\old(waterLevel) == waterLevel)) || (methaneLevelCritical < 1)) && (((pumpRunning == 0) || !((1 == systemActive))) || (methaneLevelCritical < 1))) && (((((pumpRunning == \old(pumpRunning)) || (pumpRunning == 0)) || !((1 == systemActive))) || (2 <= waterLevel)) || !((methaneLevelCritical == 0)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (\old(waterLevel) == waterLevel))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((((tmp___0 == 0) && (pumpRunning == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || (methaneLevelCritical < 1)) && (((!((1 == systemActive)) || !((methaneLevelCritical == 0))) || (((((tmp___0 == 0) && (pumpRunning == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\result == 0))) || ((((pumpRunning == 0) && (2 <= waterLevel)) && (1 == systemActive)) && (\old(pumpRunning) == 0)))) - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 23:08:13,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7565d42b-0c32-4a84-b346-c68320a54368/bin/uautomizer-verify-WvqO1wxjHP/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