./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 355b5902b5f931f50c54d9516b33231d0a6419b36d45cf753c504688535a3e74 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:34:05,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:34:05,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:34:05,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:34:05,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:34:05,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:34:05,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:34:05,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:34:05,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:34:05,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:34:05,736 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:34:05,736 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:34:05,737 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:34:05,739 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:34:05,739 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:34:05,740 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:34:05,740 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:34:05,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:34:05,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:34:05,743 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:34:05,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:34:05,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:34:05,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:34:05,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:34:05,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:34:05,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:34:05,746 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:34:05,747 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:34:05,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:34:05,748 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:34:05,749 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:34:05,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:34:05,750 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:34:05,750 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:34:05,750 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:34:05,751 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:34:05,752 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_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 355b5902b5f931f50c54d9516b33231d0a6419b36d45cf753c504688535a3e74 [2023-11-06 22:34:06,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:34:06,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:34:06,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:34:06,145 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:34:06,146 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:34:06,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2023-11-06 22:34:09,341 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:34:09,655 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:34:09,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/sv-benchmarks/c/product-lines/minepump_spec4_product03.cil.c [2023-11-06 22:34:09,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP/data/b497ba251/3048abdd45a14d50a322fec365e47c4d/FLAGbb38124c2 [2023-11-06 22:34:09,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP/data/b497ba251/3048abdd45a14d50a322fec365e47c4d [2023-11-06 22:34:09,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:34:09,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:34:09,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:34:09,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:34:09,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:34:09,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:34:09" (1/1) ... [2023-11-06 22:34:09,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1ed325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:09, skipping insertion in model container [2023-11-06 22:34:09,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:34:09" (1/1) ... [2023-11-06 22:34:09,777 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:34:10,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:34:10,105 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:34:10,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-06 22:34:10,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] [2023-11-06 22:34:10,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [424] [2023-11-06 22:34:10,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [462] [2023-11-06 22:34:10,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [534] [2023-11-06 22:34:10,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [664] [2023-11-06 22:34:10,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [745] [2023-11-06 22:34:10,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [771] [2023-11-06 22:34:10,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:34:10,211 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:34:10,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:10 WrapperNode [2023-11-06 22:34:10,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:34:10,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:34:10,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:34:10,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:34:10,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:10" (1/1) ... [2023-11-06 22:34:10,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:10" (1/1) ... [2023-11-06 22:34:10,267 INFO L138 Inliner]: procedures = 50, calls = 91, calls flagged for inlining = 44, calls inlined = 37, statements flattened = 235 [2023-11-06 22:34:10,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:34:10,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:34:10,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:34:10,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:34:10,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:10" (1/1) ... [2023-11-06 22:34:10,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:10" (1/1) ... [2023-11-06 22:34:10,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:10" (1/1) ... [2023-11-06 22:34:10,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:10" (1/1) ... [2023-11-06 22:34:10,297 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:10" (1/1) ... [2023-11-06 22:34:10,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:10" (1/1) ... [2023-11-06 22:34:10,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:10" (1/1) ... [2023-11-06 22:34:10,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:10" (1/1) ... [2023-11-06 22:34:10,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:34:10,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:34:10,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:34:10,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:34:10,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:10" (1/1) ... [2023-11-06 22:34:10,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:34:10,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:34:10,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:34:10,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:34:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:34:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:34:10,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:34:10,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:34:10,499 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:34:10,501 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:34:10,817 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:34:10,825 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:34:10,825 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:34:10,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:34:10 BoogieIcfgContainer [2023-11-06 22:34:10,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:34:10,828 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:34:10,829 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:34:10,832 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:34:10,833 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:34:10,833 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:34:09" (1/3) ... [2023-11-06 22:34:10,834 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e5df1ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:34:10, skipping insertion in model container [2023-11-06 22:34:10,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:34:10,834 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:34:10" (2/3) ... [2023-11-06 22:34:10,835 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e5df1ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:34:10, skipping insertion in model container [2023-11-06 22:34:10,835 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:34:10,835 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:34:10" (3/3) ... [2023-11-06 22:34:10,837 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2023-11-06 22:34:10,894 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:34:10,894 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:34:10,895 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:34:10,895 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:34:10,895 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:34:10,895 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:34:10,895 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:34:10,895 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:34:10,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 81 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:10,922 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2023-11-06 22:34:10,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:34:10,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:34:10,929 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:10,929 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:10,930 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:34:10,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 82 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 81 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:10,936 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2023-11-06 22:34:10,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:34:10,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:34:10,938 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:10,938 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:10,944 INFO L748 eck$LassoCheckResult]: Stem: 38#$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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 45#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 33#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 43#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 28#valid_product_returnLabel#1true main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 63#L854true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 5#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 22#L478-2true [2023-11-06 22:34:10,945 INFO L750 eck$LassoCheckResult]: Loop: 22#L478-2true assume !false; 80#L479true assume test_~splverifierCounter~0#1 < 4; 54#L480true havoc test_#t~nondet28#1;test_~tmp~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 77#L488true assume !(0 != test_~tmp~3#1); 44#L488-2true havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 25#L498true assume !(0 != test_~tmp___0~0#1); 71#L498-2true havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 39#L508true assume 0 != test_~tmp___2~0#1; 82#L514-2true assume { :begin_inline_timeShift } true; 78#L550true assume !(0 != ~pumpRunning~0); 23#L550-2true assume !(0 != ~systemActive~0); 20#L557-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 72#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret46#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret46#1;havoc __utac_acc__Specification4_spec__1_#t~ret46#1; 7#L754true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 16#L754-1true havoc __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 73#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 22#L478-2true [2023-11-06 22:34:10,950 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:10,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-06 22:34:10,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:10,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043152662] [2023-11-06 22:34:10,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:10,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:34:11,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:34:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:34:11,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:34:11,113 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:11,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1802264006, now seen corresponding path program 1 times [2023-11-06 22:34:11,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:11,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573209959] [2023-11-06 22:34:11,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:11,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:34:11,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:34:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:34:11,136 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:34:11,138 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:11,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1137284214, now seen corresponding path program 1 times [2023-11-06 22:34:11,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:11,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470599328] [2023-11-06 22:34:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:11,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:34:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:34:11,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:34:11,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470599328] [2023-11-06 22:34:11,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470599328] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:34:11,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:34:11,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:34:11,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853619937] [2023-11-06 22:34:11,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:34:11,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:34:11,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:34:11,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:34:11,703 INFO L87 Difference]: Start difference. First operand has 82 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 81 states have internal predecessors, (110), 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 3.8333333333333335) internal successors, (23), 5 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) [2023-11-06 22:34:11,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:34:11,822 INFO L93 Difference]: Finished difference Result 209 states and 263 transitions. [2023-11-06 22:34:11,823 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 263 transitions. [2023-11-06 22:34:11,831 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 131 [2023-11-06 22:34:11,849 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 179 states and 233 transitions. [2023-11-06 22:34:11,850 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2023-11-06 22:34:11,851 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2023-11-06 22:34:11,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 233 transitions. [2023-11-06 22:34:11,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:34:11,854 INFO L218 hiAutomatonCegarLoop]: Abstraction has 179 states and 233 transitions. [2023-11-06 22:34:11,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 233 transitions. [2023-11-06 22:34:11,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 118. [2023-11-06 22:34:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 118 states have (on average 1.305084745762712) internal successors, (154), 117 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:34:11,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 154 transitions. [2023-11-06 22:34:11,901 INFO L240 hiAutomatonCegarLoop]: Abstraction has 118 states and 154 transitions. [2023-11-06 22:34:11,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:34:11,912 INFO L428 stractBuchiCegarLoop]: Abstraction has 118 states and 154 transitions. [2023-11-06 22:34:11,913 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:34:11,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 154 transitions. [2023-11-06 22:34:11,923 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2023-11-06 22:34:11,923 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:34:11,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:34:11,924 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:11,924 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:34:11,925 INFO L748 eck$LassoCheckResult]: Stem: 353#$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);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 354#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 347#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 348#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 345#valid_product_returnLabel#1 main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 346#L854 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 311#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet28#1, test_#t~nondet29#1, test_#t~nondet30#1, test_#t~nondet31#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 312#L478-2 [2023-11-06 22:34:11,925 INFO L750 eck$LassoCheckResult]: Loop: 312#L478-2 assume !false; 335#L479 assume test_~splverifierCounter~0#1 < 4; 363#L480 havoc test_#t~nondet28#1;test_~tmp~3#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 364#L488 assume !(0 != test_~tmp~3#1); 320#L488-2 havoc test_#t~nondet29#1;test_~tmp___0~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1; 338#L498 assume !(0 != test_~tmp___0~0#1); 340#L498-2 havoc test_#t~nondet30#1;test_~tmp___2~0#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1; 355#L508 assume 0 != test_~tmp___2~0#1; 323#L514-2 assume { :begin_inline_timeShift } true; 375#L550 assume !(0 != ~pumpRunning~0); 327#L550-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 334#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 332#L557-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 333#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret46#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret46#1;havoc __utac_acc__Specification4_spec__1_#t~ret46#1; 313#L754 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 315#L754-1 havoc __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_#t~ret47#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 325#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 312#L478-2 [2023-11-06 22:34:11,925 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:11,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-06 22:34:11,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:11,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359943996] [2023-11-06 22:34:11,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:11,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:34:11,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:34:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:34:11,965 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:34:11,965 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:11,966 INFO L85 PathProgramCache]: Analyzing trace with hash 663629422, now seen corresponding path program 1 times [2023-11-06 22:34:11,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:11,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794855072] [2023-11-06 22:34:11,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:11,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:34:11,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:34:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:34:11,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:34:11,994 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:34:11,995 INFO L85 PathProgramCache]: Analyzing trace with hash -268052182, now seen corresponding path program 1 times [2023-11-06 22:34:11,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:34:11,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990370395] [2023-11-06 22:34:11,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:34:11,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:34:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:34:12,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:34:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:34:12,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:34:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:34:13,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:34:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:34:13,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:34:13 BoogieIcfgContainer [2023-11-06 22:34:13,343 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:34:13,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:34:13,343 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:34:13,344 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:34:13,345 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:34:10" (3/4) ... [2023-11-06 22:34:13,350 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-06 22:34:13,428 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:34:13,429 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:34:13,430 INFO L158 Benchmark]: Toolchain (without parser) took 3736.36ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 128.2MB in the beginning and 145.4MB in the end (delta: -17.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-11-06 22:34:13,430 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 125.8MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:34:13,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.39ms. Allocated memory is still 159.4MB. Free memory was 128.2MB in the beginning and 109.6MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:34:13,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.25ms. Allocated memory is still 159.4MB. Free memory was 109.6MB in the beginning and 107.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:34:13,433 INFO L158 Benchmark]: Boogie Preprocessor took 56.55ms. Allocated memory is still 159.4MB. Free memory was 107.5MB in the beginning and 106.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:34:13,433 INFO L158 Benchmark]: RCFGBuilder took 501.90ms. Allocated memory is still 159.4MB. Free memory was 106.0MB in the beginning and 118.5MB in the end (delta: -12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:34:13,439 INFO L158 Benchmark]: BuchiAutomizer took 2514.38ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 118.1MB in the beginning and 147.4MB in the end (delta: -29.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-11-06 22:34:13,439 INFO L158 Benchmark]: Witness Printer took 85.54ms. Allocated memory is still 192.9MB. Free memory was 147.4MB in the beginning and 145.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:34:13,442 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 125.8MB. Free memory is still 97.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.39ms. Allocated memory is still 159.4MB. Free memory was 128.2MB in the beginning and 109.6MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.25ms. Allocated memory is still 159.4MB. Free memory was 109.6MB in the beginning and 107.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.55ms. Allocated memory is still 159.4MB. Free memory was 107.5MB in the beginning and 106.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.90ms. Allocated memory is still 159.4MB. Free memory was 106.0MB in the beginning and 118.5MB in the end (delta: -12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2514.38ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 118.1MB in the beginning and 147.4MB in the end (delta: -29.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Witness Printer took 85.54ms. Allocated memory is still 192.9MB. Free memory was 147.4MB in the beginning and 145.4MB in the end (delta: 2.0MB). 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [424] - GenericResultAtLocation [Line: 462]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [462] - GenericResultAtLocation [Line: 534]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [534] - GenericResultAtLocation [Line: 664]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [664] - GenericResultAtLocation [Line: 745]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [745] - GenericResultAtLocation [Line: 771]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [771] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 118 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 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, 408 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 408 mSDsluCounter, 572 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 481 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 91 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 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: 478]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L542] int pumpRunning = 0; [L543] int systemActive = 1; [L666] int waterLevel = 1; [L667] int methaneLevelCritical = 0; [L772] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L845] int retValue_acc ; [L846] int tmp ; [L850] FCALL select_helpers() [L851] FCALL select_features() [L852] CALL, EXPR valid_product() [L454] int retValue_acc ; [L457] retValue_acc = 1 [L458] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L852] RET, EXPR valid_product() [L852] tmp = valid_product() [L854] COND TRUE \read(tmp) [L856] FCALL setup() [L857] CALL runTest() [L839] CALL test() [L469] int splverifierCounter ; [L470] int tmp ; [L471] int tmp___0 ; [L472] int tmp___1 ; [L473] int tmp___2 ; [L476] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L478] COND TRUE 1 [L480] COND TRUE splverifierCounter < 4 [L486] tmp = __VERIFIER_nondet_int() [L488] COND FALSE !(\read(tmp)) [L496] tmp___0 = __VERIFIER_nondet_int() [L498] COND FALSE !(\read(tmp___0)) [L506] tmp___2 = __VERIFIER_nondet_int() [L508] COND TRUE \read(tmp___2) [L523] CALL timeShift() [L550] COND FALSE !(\read(pumpRunning)) [L557] COND TRUE \read(systemActive) [L559] FCALL processEnvironment() [L565] CALL __utac_acc__Specification4_spec__1() [L747] int tmp ; [L748] int tmp___0 ; [L752] CALL, EXPR getWaterLevel() [L737] int retValue_acc ; [L740] retValue_acc = waterLevel [L741] return (retValue_acc); [L752] RET, EXPR getWaterLevel() [L752] tmp = getWaterLevel() [L754] COND FALSE !(tmp == 0) [L565] RET __utac_acc__Specification4_spec__1() [L523] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 478]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L542] int pumpRunning = 0; [L543] int systemActive = 1; [L666] int waterLevel = 1; [L667] int methaneLevelCritical = 0; [L772] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L845] int retValue_acc ; [L846] int tmp ; [L850] FCALL select_helpers() [L851] FCALL select_features() [L852] CALL, EXPR valid_product() [L454] int retValue_acc ; [L457] retValue_acc = 1 [L458] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L852] RET, EXPR valid_product() [L852] tmp = valid_product() [L854] COND TRUE \read(tmp) [L856] FCALL setup() [L857] CALL runTest() [L839] CALL test() [L469] int splverifierCounter ; [L470] int tmp ; [L471] int tmp___0 ; [L472] int tmp___1 ; [L473] int tmp___2 ; [L476] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L478] COND TRUE 1 [L480] COND TRUE splverifierCounter < 4 [L486] tmp = __VERIFIER_nondet_int() [L488] COND FALSE !(\read(tmp)) [L496] tmp___0 = __VERIFIER_nondet_int() [L498] COND FALSE !(\read(tmp___0)) [L506] tmp___2 = __VERIFIER_nondet_int() [L508] COND TRUE \read(tmp___2) [L523] CALL timeShift() [L550] COND FALSE !(\read(pumpRunning)) [L557] COND TRUE \read(systemActive) [L559] FCALL processEnvironment() [L565] CALL __utac_acc__Specification4_spec__1() [L747] int tmp ; [L748] int tmp___0 ; [L752] CALL, EXPR getWaterLevel() [L737] int retValue_acc ; [L740] retValue_acc = waterLevel [L741] return (retValue_acc); [L752] RET, EXPR getWaterLevel() [L752] tmp = getWaterLevel() [L754] COND FALSE !(tmp == 0) [L565] RET __utac_acc__Specification4_spec__1() [L523] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-06 22:34:13,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e963806-2eff-4b89-b605-163ef10aba42/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)