./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0361aefb-6685-45dd-8c6f-174ee93e9611/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0361aefb-6685-45dd-8c6f-174ee93e9611/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_0361aefb-6685-45dd-8c6f-174ee93e9611/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0361aefb-6685-45dd-8c6f-174ee93e9611/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0361aefb-6685-45dd-8c6f-174ee93e9611/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0361aefb-6685-45dd-8c6f-174ee93e9611/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:23:50,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:23:50,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0361aefb-6685-45dd-8c6f-174ee93e9611/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:23:50,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:23:50,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:23:50,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:23:50,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:23:50,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:23:50,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:23:50,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:23:50,535 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:23:50,536 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:23:50,536 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:23:50,537 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:23:50,538 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:23:50,538 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:23:50,539 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:23:50,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:23:50,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:23:50,541 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:23:50,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:23:50,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:23:50,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:23:50,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:23:50,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:23:50,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:23:50,550 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:23:50,550 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:23:50,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:23:50,551 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:23:50,552 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:23:50,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:23:50,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:23:50,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:23:50,554 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:23:50,554 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:23:50,555 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_0361aefb-6685-45dd-8c6f-174ee93e9611/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0361aefb-6685-45dd-8c6f-174ee93e9611/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba [2023-11-06 22:23:50,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:23:50,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:23:50,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:23:50,826 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:23:50,827 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:23:50,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0361aefb-6685-45dd-8c6f-174ee93e9611/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2023-11-06 22:23:54,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:23:54,369 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:23:54,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0361aefb-6685-45dd-8c6f-174ee93e9611/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2023-11-06 22:23:54,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0361aefb-6685-45dd-8c6f-174ee93e9611/bin/uautomizer-verify-WvqO1wxjHP/data/dbcf66395/d3dfe3164cd54a0abf72ea3b281f09bd/FLAGd14c4d913 [2023-11-06 22:23:54,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0361aefb-6685-45dd-8c6f-174ee93e9611/bin/uautomizer-verify-WvqO1wxjHP/data/dbcf66395/d3dfe3164cd54a0abf72ea3b281f09bd [2023-11-06 22:23:54,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:23:54,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:23:54,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:23:54,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:23:54,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:23:54,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:23:54" (1/1) ... [2023-11-06 22:23:54,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ca4e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:54, skipping insertion in model container [2023-11-06 22:23:54,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:23:54" (1/1) ... [2023-11-06 22:23:54,496 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:23:54,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:23:54,768 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:23:54,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-06 22:23:54,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [87] [2023-11-06 22:23:54,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [139] [2023-11-06 22:23:54,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] [2023-11-06 22:23:54,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] [2023-11-06 22:23:54,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] [2023-11-06 22:23:54,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] [2023-11-06 22:23:54,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [777] [2023-11-06 22:23:54,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:23:54,862 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:23:54,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:54 WrapperNode [2023-11-06 22:23:54,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:23:54,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:23:54,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:23:54,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:23:54,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:54" (1/1) ... [2023-11-06 22:23:54,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:54" (1/1) ... [2023-11-06 22:23:54,921 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 54, calls inlined = 59, statements flattened = 374 [2023-11-06 22:23:54,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:23:54,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:23:54,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:23:54,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:23:54,933 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:54" (1/1) ... [2023-11-06 22:23:54,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:54" (1/1) ... [2023-11-06 22:23:54,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:54" (1/1) ... [2023-11-06 22:23:54,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:54" (1/1) ... [2023-11-06 22:23:54,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:54" (1/1) ... [2023-11-06 22:23:54,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:54" (1/1) ... [2023-11-06 22:23:54,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:54" (1/1) ... [2023-11-06 22:23:54,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:54" (1/1) ... [2023-11-06 22:23:54,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:23:54,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:23:54,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:23:54,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:23:54,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:54" (1/1) ... [2023-11-06 22:23:54,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:23:54,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0361aefb-6685-45dd-8c6f-174ee93e9611/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:55,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0361aefb-6685-45dd-8c6f-174ee93e9611/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:23:55,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0361aefb-6685-45dd-8c6f-174ee93e9611/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:23:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:23:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:23:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:23:55,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:23:55,162 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:23:55,164 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:23:55,571 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:23:55,579 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:23:55,580 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:23:55,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:55 BoogieIcfgContainer [2023-11-06 22:23:55,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:23:55,583 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:23:55,583 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:23:55,587 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:23:55,588 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:23:55,588 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:23:54" (1/3) ... [2023-11-06 22:23:55,589 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f0dd3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:23:55, skipping insertion in model container [2023-11-06 22:23:55,589 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:23:55,590 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:54" (2/3) ... [2023-11-06 22:23:55,590 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f0dd3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:23:55, skipping insertion in model container [2023-11-06 22:23:55,590 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:23:55,590 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:55" (3/3) ... [2023-11-06 22:23:55,592 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product27.cil.c [2023-11-06 22:23:55,653 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:23:55,653 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:23:55,653 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:23:55,653 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:23:55,653 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:23:55,653 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:23:55,654 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:23:55,654 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:23:55,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 119 states, 118 states have (on average 1.347457627118644) internal successors, (159), 118 states have internal predecessors, (159), 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 22:23:55,684 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2023-11-06 22:23:55,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:23:55,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:23:55,692 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:55,693 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:55,693 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:23:55,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 119 states, 118 states have (on average 1.347457627118644) internal successors, (159), 118 states have internal predecessors, (159), 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 22:23:55,704 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 76 [2023-11-06 22:23:55,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:23:55,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:23:55,706 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:55,706 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:55,711 INFO L748 eck$LassoCheckResult]: Stem: 21#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 30#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 19#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 102#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 93#valid_product_returnLabel#1true main_#t~ret36#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 41#L696true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 73#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 109#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 79#L721-2true [2023-11-06 22:23:55,712 INFO L750 eck$LassoCheckResult]: Loop: 79#L721-2true assume !false; 63#L722true assume test_~splverifierCounter~0#1 < 4; 119#L723true havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 97#L731true assume !(0 != test_~tmp~5#1); 4#L731-2true havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 113#L741true assume !(0 != test_~tmp___0~1#1); 80#L741-2true havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 16#L751true assume 0 != test_~tmp___2~0#1; 53#L757-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 107#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 85#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 75#L790true assume !(0 != ~pumpRunning~0); 90#L790-2true assume !(0 != ~systemActive~0); 89#L797-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 64#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 96#L118true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 51#L118-1true havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 65#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 79#L721-2true [2023-11-06 22:23:55,718 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:55,718 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-06 22:23:55,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:55,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298182376] [2023-11-06 22:23:55,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:55,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:55,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:23:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:55,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:23:55,864 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:55,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1155605490, now seen corresponding path program 1 times [2023-11-06 22:23:55,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:55,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557968053] [2023-11-06 22:23:55,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:55,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:55,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:23:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:55,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:23:55,892 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:55,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1800009399, now seen corresponding path program 1 times [2023-11-06 22:23:55,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:55,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560698139] [2023-11-06 22:23:55,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:55,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:56,209 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 22:23:56,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:56,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560698139] [2023-11-06 22:23:56,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560698139] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:56,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:56,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:23:56,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872783854] [2023-11-06 22:23:56,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:56,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:56,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:23:56,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:23:56,448 INFO L87 Difference]: Start difference. First operand has 119 states, 118 states have (on average 1.347457627118644) internal successors, (159), 118 states have internal predecessors, (159), 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) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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 22:23:56,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:56,684 INFO L93 Difference]: Finished difference Result 291 states and 372 transitions. [2023-11-06 22:23:56,685 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 372 transitions. [2023-11-06 22:23:56,698 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 185 [2023-11-06 22:23:56,714 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 261 states and 342 transitions. [2023-11-06 22:23:56,715 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 261 [2023-11-06 22:23:56,718 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 261 [2023-11-06 22:23:56,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 261 states and 342 transitions. [2023-11-06 22:23:56,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:56,720 INFO L218 hiAutomatonCegarLoop]: Abstraction has 261 states and 342 transitions. [2023-11-06 22:23:56,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states and 342 transitions. [2023-11-06 22:23:56,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 164. [2023-11-06 22:23:56,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 164 states have (on average 1.3109756097560976) internal successors, (215), 163 states have internal predecessors, (215), 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 22:23:56,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 215 transitions. [2023-11-06 22:23:56,760 INFO L240 hiAutomatonCegarLoop]: Abstraction has 164 states and 215 transitions. [2023-11-06 22:23:56,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:23:56,765 INFO L428 stractBuchiCegarLoop]: Abstraction has 164 states and 215 transitions. [2023-11-06 22:23:56,765 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:23:56,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states and 215 transitions. [2023-11-06 22:23:56,769 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2023-11-06 22:23:56,769 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:23:56,769 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:23:56,770 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:56,770 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:56,771 INFO L748 eck$LassoCheckResult]: Stem: 456#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 457#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 454#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 455#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 523#valid_product_returnLabel#1 main_#t~ret36#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 480#L696 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 481#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 511#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 505#L721-2 [2023-11-06 22:23:56,771 INFO L750 eck$LassoCheckResult]: Loop: 505#L721-2 assume !false; 501#L722 assume test_~splverifierCounter~0#1 < 4; 502#L723 havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 525#L731 assume !(0 != test_~tmp~5#1); 430#L731-2 havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 431#L741 assume !(0 != test_~tmp___0~1#1); 516#L741-2 havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 447#L751 assume 0 != test_~tmp___2~0#1; 448#L757-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 493#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 518#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 512#L790 assume !(0 != ~pumpRunning~0); 513#L790-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 517#L822 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 514#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 442#L822-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 522#L797-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 503#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 504#L118 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 451#L118-1 havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 490#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 505#L721-2 [2023-11-06 22:23:56,772 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:56,772 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-06 22:23:56,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:56,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133776945] [2023-11-06 22:23:56,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:56,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:56,785 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:23:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:56,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:23:56,798 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:56,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1782778502, now seen corresponding path program 1 times [2023-11-06 22:23:56,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:56,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896159268] [2023-11-06 22:23:56,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:56,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:56,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:23:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:56,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:23:56,816 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:56,816 INFO L85 PathProgramCache]: Analyzing trace with hash 2110811697, now seen corresponding path program 1 times [2023-11-06 22:23:56,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:56,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834402021] [2023-11-06 22:23:56,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:56,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:57,015 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 22:23:57,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:57,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834402021] [2023-11-06 22:23:57,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834402021] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:57,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:57,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:23:57,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443229094] [2023-11-06 22:23:57,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:57,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:57,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:23:57,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:23:57,154 INFO L87 Difference]: Start difference. First operand 164 states and 215 transitions. cyclomatic complexity: 54 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 22:23:57,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:57,331 INFO L93 Difference]: Finished difference Result 484 states and 631 transitions. [2023-11-06 22:23:57,331 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 484 states and 631 transitions. [2023-11-06 22:23:57,343 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 330 [2023-11-06 22:23:57,349 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 484 states to 484 states and 631 transitions. [2023-11-06 22:23:57,349 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 484 [2023-11-06 22:23:57,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 484 [2023-11-06 22:23:57,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 484 states and 631 transitions. [2023-11-06 22:23:57,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:23:57,364 INFO L218 hiAutomatonCegarLoop]: Abstraction has 484 states and 631 transitions. [2023-11-06 22:23:57,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states and 631 transitions. [2023-11-06 22:23:57,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 314. [2023-11-06 22:23:57,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 314 states have (on average 1.286624203821656) internal successors, (404), 313 states have internal predecessors, (404), 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 22:23:57,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 404 transitions. [2023-11-06 22:23:57,405 INFO L240 hiAutomatonCegarLoop]: Abstraction has 314 states and 404 transitions. [2023-11-06 22:23:57,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:23:57,411 INFO L428 stractBuchiCegarLoop]: Abstraction has 314 states and 404 transitions. [2023-11-06 22:23:57,411 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:23:57,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 314 states and 404 transitions. [2023-11-06 22:23:57,414 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 228 [2023-11-06 22:23:57,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:23:57,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:23:57,417 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:57,417 INFO L149 hiAutomatonCegarLoop]: Counterexample loop 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 22:23:57,417 INFO L748 eck$LassoCheckResult]: Stem: 1119#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 1120#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1117#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1118#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1207#valid_product_returnLabel#1 main_#t~ret36#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 1151#L696 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1152#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1187#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1179#L721-2 [2023-11-06 22:23:57,417 INFO L750 eck$LassoCheckResult]: Loop: 1179#L721-2 assume !false; 1175#L722 assume test_~splverifierCounter~0#1 < 4; 1176#L723 havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1333#L731 assume !(0 != test_~tmp~5#1); 1328#L731-2 havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1325#L741 assume !(0 != test_~tmp___0~1#1); 1323#L741-2 havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1320#L751 assume 0 != test_~tmp___2~0#1; 1165#L757-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 1166#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 1197#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1188#L790 assume !(0 != ~pumpRunning~0); 1189#L790-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1195#L822 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1190#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 1105#L822-1 havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true; 1206#L797-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 1177#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 1178#L118 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 1283#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret7#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret7#1;havoc __utac_acc__Specification5_spec__3_#t~ret7#1; 1158#L122 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 1114#L118-1 havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1162#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1179#L721-2 [2023-11-06 22:23:57,419 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:57,419 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-06 22:23:57,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:57,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784549086] [2023-11-06 22:23:57,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:57,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:57,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:23:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:57,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:23:57,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:57,463 INFO L85 PathProgramCache]: Analyzing trace with hash 420805813, now seen corresponding path program 1 times [2023-11-06 22:23:57,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:57,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064340817] [2023-11-06 22:23:57,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:57,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:57,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:23:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:57,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:23:57,484 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:57,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1244472236, now seen corresponding path program 1 times [2023-11-06 22:23:57,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:57,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766777647] [2023-11-06 22:23:57,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:57,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:57,509 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:23:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:57,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:23:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:58,737 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:23:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:58,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:23:58 BoogieIcfgContainer [2023-11-06 22:23:58,813 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:23:58,814 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:23:58,814 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:23:58,814 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:23:58,815 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:55" (3/4) ... [2023-11-06 22:23:58,816 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-06 22:23:58,880 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0361aefb-6685-45dd-8c6f-174ee93e9611/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:23:58,880 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:23:58,881 INFO L158 Benchmark]: Toolchain (without parser) took 4464.03ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 114.5MB in the beginning and 150.0MB in the end (delta: -35.5MB). Peak memory consumption was 519.1kB. Max. memory is 16.1GB. [2023-11-06 22:23:58,882 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:23:58,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.50ms. Allocated memory is still 157.3MB. Free memory was 114.5MB in the beginning and 95.3MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:23:58,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.81ms. Allocated memory is still 157.3MB. Free memory was 95.3MB in the beginning and 92.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:23:58,883 INFO L158 Benchmark]: Boogie Preprocessor took 34.92ms. Allocated memory is still 157.3MB. Free memory was 92.5MB in the beginning and 90.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:23:58,884 INFO L158 Benchmark]: RCFGBuilder took 624.39ms. Allocated memory is still 157.3MB. Free memory was 90.8MB in the beginning and 118.4MB in the end (delta: -27.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:23:58,884 INFO L158 Benchmark]: BuchiAutomizer took 3230.03ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 118.4MB in the beginning and 152.1MB in the end (delta: -33.6MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-06 22:23:58,885 INFO L158 Benchmark]: Witness Printer took 66.73ms. Allocated memory is still 192.9MB. Free memory was 152.1MB in the beginning and 150.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:23:58,887 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.50ms. Allocated memory is still 157.3MB. Free memory was 114.5MB in the beginning and 95.3MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.81ms. Allocated memory is still 157.3MB. Free memory was 95.3MB in the beginning and 92.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.92ms. Allocated memory is still 157.3MB. Free memory was 92.5MB in the beginning and 90.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 624.39ms. Allocated memory is still 157.3MB. Free memory was 90.8MB in the beginning and 118.4MB in the end (delta: -27.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 3230.03ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 118.4MB in the beginning and 152.1MB in the end (delta: -33.6MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Witness Printer took 66.73ms. Allocated memory is still 192.9MB. Free memory was 152.1MB in the beginning and 150.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [87] - GenericResultAtLocation [Line: 139]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [139] - GenericResultAtLocation [Line: 505]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [505] - GenericResultAtLocation [Line: 600]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600] - GenericResultAtLocation [Line: 609]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709] - GenericResultAtLocation [Line: 777]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [777] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 314 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 267 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 985 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 985 mSDsluCounter, 1483 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1154 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 142 IncrementalHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 329 mSDtfsCounter, 142 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 721]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L91] int switchedOnBeforeTS ; [L309] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L512] int waterLevel = 1; [L513] int methaneLevelCritical = 0; [L610] int cleanupTimeShifts = 4; [L780] int pumpRunning = 0; [L781] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L687] int retValue_acc ; [L688] int tmp ; [L692] FCALL select_helpers() [L693] FCALL select_features() [L694] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L694] RET, EXPR valid_product() [L694] tmp = valid_product() [L696] COND TRUE \read(tmp) [L698] FCALL setup() [L699] CALL runTest() [L680] CALL __utac_acc__Specification5_spec__1() [L96] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L680] RET __utac_acc__Specification5_spec__1() [L681] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L721] COND TRUE 1 [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND TRUE \read(tmp___2) [L766] CALL timeShift() [L788] CALL __utac_acc__Specification5_spec__2() [L105] CALL, EXPR isPumpRunning() [L889] int retValue_acc ; [L892] retValue_acc = pumpRunning [L893] return (retValue_acc); [L105] RET, EXPR isPumpRunning() [L105] switchedOnBeforeTS = isPumpRunning() [L788] RET __utac_acc__Specification5_spec__2() [L790] COND FALSE !(\read(pumpRunning)) [L797] COND TRUE \read(systemActive) [L799] CALL processEnvironment() [L819] int tmp ; [L822] COND FALSE !(\read(pumpRunning)) [L837] FCALL processEnvironment__wrappee__base() [L799] RET processEnvironment() [L805] CALL __utac_acc__Specification5_spec__3() [L111] int tmp ; [L112] int tmp___0 ; [L116] CALL, EXPR getWaterLevel() [L583] int retValue_acc ; [L586] retValue_acc = waterLevel [L587] return (retValue_acc); [L116] RET, EXPR getWaterLevel() [L116] tmp = getWaterLevel() [L118] COND TRUE tmp != 2 [L120] CALL, EXPR isPumpRunning() [L889] int retValue_acc ; [L892] retValue_acc = pumpRunning [L893] return (retValue_acc); [L120] RET, EXPR isPumpRunning() [L120] tmp___0 = isPumpRunning() [L122] COND FALSE !(\read(tmp___0)) [L805] RET __utac_acc__Specification5_spec__3() [L766] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 721]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L91] int switchedOnBeforeTS ; [L309] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L512] int waterLevel = 1; [L513] int methaneLevelCritical = 0; [L610] int cleanupTimeShifts = 4; [L780] int pumpRunning = 0; [L781] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L687] int retValue_acc ; [L688] int tmp ; [L692] FCALL select_helpers() [L693] FCALL select_features() [L694] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L694] RET, EXPR valid_product() [L694] tmp = valid_product() [L696] COND TRUE \read(tmp) [L698] FCALL setup() [L699] CALL runTest() [L680] CALL __utac_acc__Specification5_spec__1() [L96] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L680] RET __utac_acc__Specification5_spec__1() [L681] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L721] COND TRUE 1 [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND TRUE \read(tmp___2) [L766] CALL timeShift() [L788] CALL __utac_acc__Specification5_spec__2() [L105] CALL, EXPR isPumpRunning() [L889] int retValue_acc ; [L892] retValue_acc = pumpRunning [L893] return (retValue_acc); [L105] RET, EXPR isPumpRunning() [L105] switchedOnBeforeTS = isPumpRunning() [L788] RET __utac_acc__Specification5_spec__2() [L790] COND FALSE !(\read(pumpRunning)) [L797] COND TRUE \read(systemActive) [L799] CALL processEnvironment() [L819] int tmp ; [L822] COND FALSE !(\read(pumpRunning)) [L837] FCALL processEnvironment__wrappee__base() [L799] RET processEnvironment() [L805] CALL __utac_acc__Specification5_spec__3() [L111] int tmp ; [L112] int tmp___0 ; [L116] CALL, EXPR getWaterLevel() [L583] int retValue_acc ; [L586] retValue_acc = waterLevel [L587] return (retValue_acc); [L116] RET, EXPR getWaterLevel() [L116] tmp = getWaterLevel() [L118] COND TRUE tmp != 2 [L120] CALL, EXPR isPumpRunning() [L889] int retValue_acc ; [L892] retValue_acc = pumpRunning [L893] return (retValue_acc); [L120] RET, EXPR isPumpRunning() [L120] tmp___0 = isPumpRunning() [L122] COND FALSE !(\read(tmp___0)) [L805] RET __utac_acc__Specification5_spec__3() [L766] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-06 22:23:58,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0361aefb-6685-45dd-8c6f-174ee93e9611/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)