./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:38:56,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:38:56,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:38:56,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:38:56,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:38:57,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:38:57,034 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:38:57,035 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:38:57,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:38:57,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:38:57,042 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:38:57,043 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:38:57,043 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:38:57,045 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:38:57,046 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:38:57,046 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:38:57,047 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:38:57,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:38:57,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:38:57,049 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:38:57,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:38:57,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:38:57,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:38:57,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:38:57,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:38:57,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:38:57,052 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:38:57,053 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:38:57,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:38:57,054 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:38:57,055 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:38:57,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:38:57,056 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:38:57,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:38:57,057 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:38:57,057 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:38:57,058 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_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 [2023-11-19 07:38:57,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:38:57,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:38:57,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:38:57,433 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:38:57,434 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:38:57,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2023-11-19 07:39:00,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:39:01,144 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:39:01,148 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2023-11-19 07:39:01,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu/data/5b150392d/3ac497351998488b80ce4bd152e5613e/FLAG1a0679ad1 [2023-11-19 07:39:01,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu/data/5b150392d/3ac497351998488b80ce4bd152e5613e [2023-11-19 07:39:01,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:39:01,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:39:01,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:01,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:39:01,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:39:01,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:01" (1/1) ... [2023-11-19 07:39:01,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a80ad45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:01, skipping insertion in model container [2023-11-19 07:39:01,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:39:01" (1/1) ... [2023-11-19 07:39:01,278 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:39:01,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:01,635 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:39:01,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-11-19 07:39:01,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [277] [2023-11-19 07:39:01,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [381] [2023-11-19 07:39:01,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [448] [2023-11-19 07:39:01,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [483] [2023-11-19 07:39:01,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [849] [2023-11-19 07:39:01,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [953] [2023-11-19 07:39:01,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [962] [2023-11-19 07:39:01,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:39:01,765 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:39:01,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:01 WrapperNode [2023-11-19 07:39:01,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:39:01,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:01,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:39:01,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:39:01,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:01" (1/1) ... [2023-11-19 07:39:01,791 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:01" (1/1) ... [2023-11-19 07:39:01,848 INFO L138 Inliner]: procedures = 58, calls = 104, calls flagged for inlining = 57, calls inlined = 89, statements flattened = 596 [2023-11-19 07:39:01,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:39:01,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:39:01,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:39:01,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:39:01,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:01" (1/1) ... [2023-11-19 07:39:01,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:01" (1/1) ... [2023-11-19 07:39:01,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:01" (1/1) ... [2023-11-19 07:39:01,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:01" (1/1) ... [2023-11-19 07:39:01,879 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:01" (1/1) ... [2023-11-19 07:39:01,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:01" (1/1) ... [2023-11-19 07:39:01,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:01" (1/1) ... [2023-11-19 07:39:01,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:01" (1/1) ... [2023-11-19 07:39:01,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:39:01,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:39:01,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:39:01,915 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:39:01,916 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:01" (1/1) ... [2023-11-19 07:39:01,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:39:01,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:39:01,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:39:01,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:39:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:39:02,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:39:02,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:39:02,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:39:02,097 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:39:02,101 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:39:02,596 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:39:02,608 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:39:02,608 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:39:02,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:02 BoogieIcfgContainer [2023-11-19 07:39:02,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:39:02,615 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:39:02,615 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:39:02,620 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:39:02,620 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:39:02,621 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:39:01" (1/3) ... [2023-11-19 07:39:02,622 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e69175e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:39:02, skipping insertion in model container [2023-11-19 07:39:02,622 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:39:02,622 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:39:01" (2/3) ... [2023-11-19 07:39:02,623 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e69175e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:39:02, skipping insertion in model container [2023-11-19 07:39:02,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:39:02,623 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:02" (3/3) ... [2023-11-19 07:39:02,625 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2023-11-19 07:39:02,689 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:39:02,689 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:39:02,689 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:39:02,689 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:39:02,690 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:39:02,690 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:39:02,690 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:39:02,691 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:39:02,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 179 states, 178 states have (on average 1.3651685393258426) internal successors, (243), 178 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:39:02,730 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2023-11-19 07:39:02,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:39:02,730 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:39:02,737 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:02,737 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:02,737 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:39:02,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 179 states, 178 states have (on average 1.3651685393258426) internal successors, (243), 178 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:39:02,748 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2023-11-19 07:39:02,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:39:02,748 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:39:02,750 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:02,750 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:02,771 INFO L748 eck$LassoCheckResult]: Stem: 33#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~4#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 31#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 146#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 120#valid_product_returnLabel#1true main_#t~ret17#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 149#L368true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 95#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; 163#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 18#L392-2true [2023-11-19 07:39:02,774 INFO L750 eck$LassoCheckResult]: Loop: 18#L392-2true assume !false; 26#L393true assume test_~splverifierCounter~0#1 < 4; 19#L394true havoc test_#t~nondet18#1;test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 117#L402true assume !(0 != test_~tmp~5#1); 88#L402-2true havoc test_#t~nondet19#1;test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 71#L412true assume !(0 != test_~tmp___0~2#1); 59#L412-2true havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 23#L422true assume 0 != test_~tmp___2~0#1; 56#L428-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 158#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1; 109#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 136#L73true assume !(0 != ~pumpRunning~0); 35#L73-2true assume !(0 != ~systemActive~0); 160#L80-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 82#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 128#L990true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 92#L990-1true havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 83#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 18#L392-2true [2023-11-19 07:39:02,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:02,804 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-19 07:39:02,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:02,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221285047] [2023-11-19 07:39:02,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:02,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:02,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:39:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:02,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:39:02,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:02,992 INFO L85 PathProgramCache]: Analyzing trace with hash 856069518, now seen corresponding path program 1 times [2023-11-19 07:39:02,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:02,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301694037] [2023-11-19 07:39:02,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:02,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:03,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:39:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:03,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:39:03,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:03,031 INFO L85 PathProgramCache]: Analyzing trace with hash -483282889, now seen corresponding path program 1 times [2023-11-19 07:39:03,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:03,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372149323] [2023-11-19 07:39:03,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:03,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:03,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:39:03,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:03,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372149323] [2023-11-19 07:39:03,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372149323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:03,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:03,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:39:03,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785487249] [2023-11-19 07:39:03,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:03,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:03,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:39:03,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:39:03,504 INFO L87 Difference]: Start difference. First operand has 179 states, 178 states have (on average 1.3651685393258426) internal successors, (243), 178 states have internal predecessors, (243), 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) [2023-11-19 07:39:03,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:03,635 INFO L93 Difference]: Finished difference Result 411 states and 540 transitions. [2023-11-19 07:39:03,636 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 411 states and 540 transitions. [2023-11-19 07:39:03,646 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 265 [2023-11-19 07:39:03,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 411 states to 381 states and 510 transitions. [2023-11-19 07:39:03,662 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 381 [2023-11-19 07:39:03,664 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 381 [2023-11-19 07:39:03,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 381 states and 510 transitions. [2023-11-19 07:39:03,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:39:03,668 INFO L218 hiAutomatonCegarLoop]: Abstraction has 381 states and 510 transitions. [2023-11-19 07:39:03,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states and 510 transitions. [2023-11-19 07:39:03,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 224. [2023-11-19 07:39:03,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 224 states have (on average 1.3348214285714286) internal successors, (299), 223 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:39:03,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 299 transitions. [2023-11-19 07:39:03,736 INFO L240 hiAutomatonCegarLoop]: Abstraction has 224 states and 299 transitions. [2023-11-19 07:39:03,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:39:03,749 INFO L428 stractBuchiCegarLoop]: Abstraction has 224 states and 299 transitions. [2023-11-19 07:39:03,749 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:39:03,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 224 states and 299 transitions. [2023-11-19 07:39:03,754 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 156 [2023-11-19 07:39:03,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:39:03,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:39:03,757 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:03,757 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] [2023-11-19 07:39:03,757 INFO L748 eck$LassoCheckResult]: Stem: 661#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 662#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~4#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 659#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 660#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 755#valid_product_returnLabel#1 main_#t~ret17#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 756#L368 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 735#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; 736#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 635#L392-2 [2023-11-19 07:39:03,758 INFO L750 eck$LassoCheckResult]: Loop: 635#L392-2 assume !false; 636#L393 assume test_~splverifierCounter~0#1 < 4; 637#L394 havoc test_#t~nondet18#1;test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 638#L402 assume !(0 != test_~tmp~5#1); 651#L402-2 havoc test_#t~nondet19#1;test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 710#L412 assume !(0 != test_~tmp___0~2#1); 609#L412-2 havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 644#L422 assume 0 != test_~tmp___2~0#1; 645#L428-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 695#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1; 745#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 746#L73 assume !(0 != ~pumpRunning~0); 663#L73-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 664#L131 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 684#L105-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 610#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 611#L105-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 723#L131-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 757#L80-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 724#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 725#L990 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 734#L990-1 havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 726#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 635#L392-2 [2023-11-19 07:39:03,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:03,758 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-19 07:39:03,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:03,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183548362] [2023-11-19 07:39:03,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:03,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:03,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:39:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:03,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:39:03,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:03,812 INFO L85 PathProgramCache]: Analyzing trace with hash 947144250, now seen corresponding path program 1 times [2023-11-19 07:39:03,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:03,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970409853] [2023-11-19 07:39:03,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:03,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:03,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:39:03,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:03,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970409853] [2023-11-19 07:39:03,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970409853] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:03,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:03,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:39:03,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341864462] [2023-11-19 07:39:03,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:03,840 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:39:03,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:03,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:39:03,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:39:03,841 INFO L87 Difference]: Start difference. First operand 224 states and 299 transitions. cyclomatic complexity: 78 Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:39:03,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:03,923 INFO L93 Difference]: Finished difference Result 283 states and 362 transitions. [2023-11-19 07:39:03,923 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 283 states and 362 transitions. [2023-11-19 07:39:03,927 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 201 [2023-11-19 07:39:03,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 283 states to 283 states and 362 transitions. [2023-11-19 07:39:03,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 283 [2023-11-19 07:39:03,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 283 [2023-11-19 07:39:03,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 283 states and 362 transitions. [2023-11-19 07:39:03,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:39:03,934 INFO L218 hiAutomatonCegarLoop]: Abstraction has 283 states and 362 transitions. [2023-11-19 07:39:03,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states and 362 transitions. [2023-11-19 07:39:03,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2023-11-19 07:39:03,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 283 states have (on average 1.2791519434628975) internal successors, (362), 282 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:39:03,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 362 transitions. [2023-11-19 07:39:03,946 INFO L240 hiAutomatonCegarLoop]: Abstraction has 283 states and 362 transitions. [2023-11-19 07:39:03,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:39:03,947 INFO L428 stractBuchiCegarLoop]: Abstraction has 283 states and 362 transitions. [2023-11-19 07:39:03,948 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:39:03,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 283 states and 362 transitions. [2023-11-19 07:39:03,950 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 201 [2023-11-19 07:39:03,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:39:03,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:39:03,951 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:03,951 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, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:03,952 INFO L748 eck$LassoCheckResult]: Stem: 1170#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 1171#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~4#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1168#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1169#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 1272#valid_product_returnLabel#1 main_#t~ret17#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 1273#L368 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1247#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; 1248#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1292#L392-2 [2023-11-19 07:39:03,952 INFO L750 eck$LassoCheckResult]: Loop: 1292#L392-2 assume !false; 1363#L393 assume test_~splverifierCounter~0#1 < 4; 1364#L394 havoc test_#t~nondet18#1;test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 1402#L402 assume !(0 != test_~tmp~5#1); 1400#L402-2 havoc test_#t~nondet19#1;test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 1398#L412 assume !(0 != test_~tmp___0~2#1); 1208#L412-2 havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 1154#L422 assume 0 != test_~tmp___2~0#1; 1155#L428-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1205#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1; 1290#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1277#L73 assume !(0 != ~pumpRunning~0); 1172#L73-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1173#L131 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 1194#L105-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 1195#L934-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 1192#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1; 1183#L233-3 assume 0 != isHighWaterLevel_~tmp~2#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1184#L233-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 1193#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 1123#L109-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1124#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1185#L105-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1235#L131-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 1274#L80-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 1371#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 1369#L990 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 1366#L990-1 havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1365#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1292#L392-2 [2023-11-19 07:39:03,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:03,953 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-19 07:39:03,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:03,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290316173] [2023-11-19 07:39:03,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:03,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:03,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:39:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:03,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:39:03,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:03,976 INFO L85 PathProgramCache]: Analyzing trace with hash 128933330, now seen corresponding path program 1 times [2023-11-19 07:39:03,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:03,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181487620] [2023-11-19 07:39:03,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:03,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:39:04,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:39:04,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:39:04,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181487620] [2023-11-19 07:39:04,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181487620] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:39:04,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:39:04,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:39:04,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343749030] [2023-11-19 07:39:04,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:39:04,151 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:39:04,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:39:04,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:39:04,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:39:04,153 INFO L87 Difference]: Start difference. First operand 283 states and 362 transitions. cyclomatic complexity: 82 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 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) [2023-11-19 07:39:04,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:39:04,378 INFO L93 Difference]: Finished difference Result 863 states and 1096 transitions. [2023-11-19 07:39:04,378 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 863 states and 1096 transitions. [2023-11-19 07:39:04,388 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 598 [2023-11-19 07:39:04,396 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 863 states to 863 states and 1096 transitions. [2023-11-19 07:39:04,396 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 863 [2023-11-19 07:39:04,397 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 863 [2023-11-19 07:39:04,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1096 transitions. [2023-11-19 07:39:04,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:39:04,400 INFO L218 hiAutomatonCegarLoop]: Abstraction has 863 states and 1096 transitions. [2023-11-19 07:39:04,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1096 transitions. [2023-11-19 07:39:04,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 555. [2023-11-19 07:39:04,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 555 states have (on average 1.263063063063063) internal successors, (701), 554 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:39:04,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 701 transitions. [2023-11-19 07:39:04,428 INFO L240 hiAutomatonCegarLoop]: Abstraction has 555 states and 701 transitions. [2023-11-19 07:39:04,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:39:04,431 INFO L428 stractBuchiCegarLoop]: Abstraction has 555 states and 701 transitions. [2023-11-19 07:39:04,431 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:39:04,432 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 701 transitions. [2023-11-19 07:39:04,436 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 400 [2023-11-19 07:39:04,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:39:04,437 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:39:04,439 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:04,439 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:39:04,439 INFO L748 eck$LassoCheckResult]: Stem: 2333#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0; 2334#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret17#1, main_~retValue_acc~4#1, main_~tmp~4#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 2331#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2332#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~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 2450#valid_product_returnLabel#1 main_#t~ret17#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 2451#L368 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 2419#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; 2420#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2305#L392-2 [2023-11-19 07:39:04,440 INFO L750 eck$LassoCheckResult]: Loop: 2305#L392-2 assume !false; 2306#L393 assume test_~splverifierCounter~0#1 < 4; 2323#L394 havoc test_#t~nondet18#1;test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 2814#L402 assume !(0 != test_~tmp~5#1); 2811#L402-2 havoc test_#t~nondet19#1;test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 2808#L412 assume !(0 != test_~tmp___0~2#1); 2802#L412-2 havoc test_#t~nondet20#1;test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 2801#L422 assume 0 != test_~tmp___2~0#1; 2800#L428-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 2812#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret51#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret51#1;havoc __utac_acc__Specification5_spec__2_#t~ret51#1; 2810#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret51#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2803#L73 assume !(0 != ~pumpRunning~0); 2335#L73-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 2336#L131 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 2359#L105-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 2360#L934-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 2357#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret15#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret15#1;havoc isHighWaterLevel_#t~ret15#1; 2347#L233-3 assume 0 != isHighWaterLevel_~tmp~2#1;isHighWaterLevel_~tmp___0~0#1 := 0; 2348#L233-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 2358#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret15#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 2282#L109-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2283#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 2766#L105-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2761#L131-1 havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 2760#L80-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 2759#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret52#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 2758#L990 assume 2 != __utac_acc__Specification5_spec__3_~tmp~9#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 2757#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret53#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3#1 := __utac_acc__Specification5_spec__3_#t~ret53#1;havoc __utac_acc__Specification5_spec__3_#t~ret53#1; 2756#L994 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3#1); 2418#L990-1 havoc __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_#t~ret53#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2407#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 2305#L392-2 [2023-11-19 07:39:04,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:04,441 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2023-11-19 07:39:04,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:04,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72386019] [2023-11-19 07:39:04,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:04,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:04,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:39:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:04,473 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:39:04,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:04,474 INFO L85 PathProgramCache]: Analyzing trace with hash -670124147, now seen corresponding path program 1 times [2023-11-19 07:39:04,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:04,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501641350] [2023-11-19 07:39:04,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:04,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:04,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:39:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:04,531 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:39:04,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:39:04,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1482164348, now seen corresponding path program 1 times [2023-11-19 07:39:04,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:39:04,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483465207] [2023-11-19 07:39:04,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:39:04,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:39:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:04,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:39:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:04,587 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:39:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:05,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:39:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:39:05,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:39:05 BoogieIcfgContainer [2023-11-19 07:39:05,995 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:39:05,995 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:39:05,995 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:39:05,996 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:39:05,996 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:39:02" (3/4) ... [2023-11-19 07:39:06,000 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-19 07:39:06,094 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:39:06,094 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:39:06,095 INFO L158 Benchmark]: Toolchain (without parser) took 4900.05ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 121.4MB in the beginning and 60.8MB in the end (delta: 60.7MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. [2023-11-19 07:39:06,095 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 153.1MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:39:06,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.75ms. Allocated memory is still 153.1MB. Free memory was 121.4MB in the beginning and 102.1MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:39:06,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.55ms. Allocated memory is still 153.1MB. Free memory was 102.1MB in the beginning and 98.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:39:06,097 INFO L158 Benchmark]: Boogie Preprocessor took 64.25ms. Allocated memory is still 153.1MB. Free memory was 98.8MB in the beginning and 96.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:39:06,097 INFO L158 Benchmark]: RCFGBuilder took 700.04ms. Allocated memory is still 153.1MB. Free memory was 96.3MB in the beginning and 70.7MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 07:39:06,098 INFO L158 Benchmark]: BuchiAutomizer took 3379.52ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 70.7MB in the beginning and 63.9MB in the end (delta: 6.8MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2023-11-19 07:39:06,098 INFO L158 Benchmark]: Witness Printer took 99.15ms. Allocated memory is still 184.5MB. Free memory was 63.9MB in the beginning and 60.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:39:06,100 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 153.1MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.75ms. Allocated memory is still 153.1MB. Free memory was 121.4MB in the beginning and 102.1MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.55ms. Allocated memory is still 153.1MB. Free memory was 102.1MB in the beginning and 98.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.25ms. Allocated memory is still 153.1MB. Free memory was 98.8MB in the beginning and 96.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 700.04ms. Allocated memory is still 153.1MB. Free memory was 96.3MB in the beginning and 70.7MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 3379.52ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 70.7MB in the beginning and 63.9MB in the end (delta: 6.8MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * Witness Printer took 99.15ms. Allocated memory is still 184.5MB. Free memory was 63.9MB in the beginning and 60.8MB in the end (delta: 3.1MB). 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,"MinePump.i","") [49] - GenericResultAtLocation [Line: 277]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [277] - GenericResultAtLocation [Line: 381]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [381] - GenericResultAtLocation [Line: 448]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [448] - GenericResultAtLocation [Line: 483]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [483] - GenericResultAtLocation [Line: 849]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [849] - GenericResultAtLocation [Line: 953]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [953] - GenericResultAtLocation [Line: 962]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [962] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 555 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.2s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 465 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, 1596 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1596 mSDsluCounter, 2656 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1896 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 232 IncrementalHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 760 mSDtfsCounter, 232 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 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: 392]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L278] int cleanupTimeShifts = 4; [L653] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L851] int waterLevel = 1; [L852] int methaneLevelCritical = 0; [L963] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L359] int retValue_acc ; [L360] int tmp ; [L364] FCALL select_helpers() [L365] FCALL select_features() [L366] CALL, EXPR valid_product() [L475] int retValue_acc ; [L478] retValue_acc = 1 [L479] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L366] RET, EXPR valid_product() [L366] tmp = valid_product() [L368] COND TRUE \read(tmp) [L370] FCALL setup() [L371] CALL runTest() [L349] CALL __utac_acc__Specification5_spec__1() [L968] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L349] RET __utac_acc__Specification5_spec__1() [L350] CALL test() [L383] int splverifierCounter ; [L384] int tmp ; [L385] int tmp___0 ; [L386] int tmp___1 ; [L387] int tmp___2 ; [L390] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L392] COND TRUE 1 [L394] COND TRUE splverifierCounter < 4 [L400] tmp = __VERIFIER_nondet_int() [L402] COND FALSE !(\read(tmp)) [L410] tmp___0 = __VERIFIER_nondet_int() [L412] COND FALSE !(\read(tmp___0)) [L420] tmp___2 = __VERIFIER_nondet_int() [L422] COND TRUE \read(tmp___2) [L437] CALL timeShift() [L71] CALL __utac_acc__Specification5_spec__2() [L977] CALL, EXPR isPumpRunning() [L180] int retValue_acc ; [L183] retValue_acc = pumpRunning [L184] return (retValue_acc); [L977] RET, EXPR isPumpRunning() [L977] switchedOnBeforeTS = isPumpRunning() [L71] RET __utac_acc__Specification5_spec__2() [L73] COND FALSE !(\read(pumpRunning)) [L80] COND TRUE \read(systemActive) [L82] CALL processEnvironment() [L128] int tmp ; [L131] COND FALSE !(\read(pumpRunning)) [L146] CALL processEnvironment__wrappee__highWaterSensor() [L102] int tmp ; [L105] COND TRUE ! pumpRunning [L107] CALL, EXPR isHighWaterLevel() [L225] int retValue_acc ; [L226] int tmp ; [L227] int tmp___0 ; [L231] CALL, EXPR isHighWaterSensorDry() [L931] int retValue_acc ; [L934] COND TRUE waterLevel < 2 [L935] retValue_acc = 1 [L936] return (retValue_acc); [L231] RET, EXPR isHighWaterSensorDry() [L231] tmp = isHighWaterSensorDry() [L233] COND TRUE \read(tmp) [L234] tmp___0 = 0 [L238] retValue_acc = tmp___0 [L239] return (retValue_acc); [L107] RET, EXPR isHighWaterLevel() [L107] tmp = isHighWaterLevel() [L109] COND FALSE !(\read(tmp)) [L115] FCALL processEnvironment__wrappee__base() [L146] RET processEnvironment__wrappee__highWaterSensor() [L82] RET processEnvironment() [L88] CALL __utac_acc__Specification5_spec__3() [L983] int tmp ; [L984] int tmp___0 ; [L988] CALL, EXPR getWaterLevel() [L922] int retValue_acc ; [L925] retValue_acc = waterLevel [L926] return (retValue_acc); [L988] RET, EXPR getWaterLevel() [L988] tmp = getWaterLevel() [L990] COND TRUE tmp != 2 [L992] CALL, EXPR isPumpRunning() [L180] int retValue_acc ; [L183] retValue_acc = pumpRunning [L184] return (retValue_acc); [L992] RET, EXPR isPumpRunning() [L992] tmp___0 = isPumpRunning() [L994] COND FALSE !(\read(tmp___0)) [L88] RET __utac_acc__Specification5_spec__3() [L437] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 392]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L278] int cleanupTimeShifts = 4; [L653] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L851] int waterLevel = 1; [L852] int methaneLevelCritical = 0; [L963] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L359] int retValue_acc ; [L360] int tmp ; [L364] FCALL select_helpers() [L365] FCALL select_features() [L366] CALL, EXPR valid_product() [L475] int retValue_acc ; [L478] retValue_acc = 1 [L479] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L366] RET, EXPR valid_product() [L366] tmp = valid_product() [L368] COND TRUE \read(tmp) [L370] FCALL setup() [L371] CALL runTest() [L349] CALL __utac_acc__Specification5_spec__1() [L968] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L349] RET __utac_acc__Specification5_spec__1() [L350] CALL test() [L383] int splverifierCounter ; [L384] int tmp ; [L385] int tmp___0 ; [L386] int tmp___1 ; [L387] int tmp___2 ; [L390] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L392] COND TRUE 1 [L394] COND TRUE splverifierCounter < 4 [L400] tmp = __VERIFIER_nondet_int() [L402] COND FALSE !(\read(tmp)) [L410] tmp___0 = __VERIFIER_nondet_int() [L412] COND FALSE !(\read(tmp___0)) [L420] tmp___2 = __VERIFIER_nondet_int() [L422] COND TRUE \read(tmp___2) [L437] CALL timeShift() [L71] CALL __utac_acc__Specification5_spec__2() [L977] CALL, EXPR isPumpRunning() [L180] int retValue_acc ; [L183] retValue_acc = pumpRunning [L184] return (retValue_acc); [L977] RET, EXPR isPumpRunning() [L977] switchedOnBeforeTS = isPumpRunning() [L71] RET __utac_acc__Specification5_spec__2() [L73] COND FALSE !(\read(pumpRunning)) [L80] COND TRUE \read(systemActive) [L82] CALL processEnvironment() [L128] int tmp ; [L131] COND FALSE !(\read(pumpRunning)) [L146] CALL processEnvironment__wrappee__highWaterSensor() [L102] int tmp ; [L105] COND TRUE ! pumpRunning [L107] CALL, EXPR isHighWaterLevel() [L225] int retValue_acc ; [L226] int tmp ; [L227] int tmp___0 ; [L231] CALL, EXPR isHighWaterSensorDry() [L931] int retValue_acc ; [L934] COND TRUE waterLevel < 2 [L935] retValue_acc = 1 [L936] return (retValue_acc); [L231] RET, EXPR isHighWaterSensorDry() [L231] tmp = isHighWaterSensorDry() [L233] COND TRUE \read(tmp) [L234] tmp___0 = 0 [L238] retValue_acc = tmp___0 [L239] return (retValue_acc); [L107] RET, EXPR isHighWaterLevel() [L107] tmp = isHighWaterLevel() [L109] COND FALSE !(\read(tmp)) [L115] FCALL processEnvironment__wrappee__base() [L146] RET processEnvironment__wrappee__highWaterSensor() [L82] RET processEnvironment() [L88] CALL __utac_acc__Specification5_spec__3() [L983] int tmp ; [L984] int tmp___0 ; [L988] CALL, EXPR getWaterLevel() [L922] int retValue_acc ; [L925] retValue_acc = waterLevel [L926] return (retValue_acc); [L988] RET, EXPR getWaterLevel() [L988] tmp = getWaterLevel() [L990] COND TRUE tmp != 2 [L992] CALL, EXPR isPumpRunning() [L180] int retValue_acc ; [L183] retValue_acc = pumpRunning [L184] return (retValue_acc); [L992] RET, EXPR isPumpRunning() [L992] tmp___0 = isPumpRunning() [L994] COND FALSE !(\read(tmp___0)) [L88] RET __utac_acc__Specification5_spec__3() [L437] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 07:39:06,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_509b8128-67b6-49ca-8e18-221d46de23b1/bin/uautomizer-verify-uCwYo4JHxu/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)