./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03156333-858a-44a8-8c7f-399f378d7bee/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03156333-858a-44a8-8c7f-399f378d7bee/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_03156333-858a-44a8-8c7f-399f378d7bee/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03156333-858a-44a8-8c7f-399f378d7bee/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03156333-858a-44a8-8c7f-399f378d7bee/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_03156333-858a-44a8-8c7f-399f378d7bee/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 929dace20230ddc06ca4ae48df9d26fbf35d81f20edb15688ea1cc72e971ff98 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:17:34,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:17:34,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03156333-858a-44a8-8c7f-399f378d7bee/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:17:34,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:17:34,690 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:17:34,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:17:34,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:17:34,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:17:34,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:17:34,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:17:34,739 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:17:34,740 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:17:34,741 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:17:34,741 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:17:34,742 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:17:34,743 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:17:34,743 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:17:34,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:17:34,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:17:34,745 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:17:34,746 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:17:34,747 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:17:34,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:17:34,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:17:34,748 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:17:34,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:17:34,749 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:17:34,750 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:17:34,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:17:34,751 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:17:34,751 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:17:34,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:17:34,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:17:34,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:17:34,753 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:17:34,753 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:17:34,754 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_03156333-858a-44a8-8c7f-399f378d7bee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03156333-858a-44a8-8c7f-399f378d7bee/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 929dace20230ddc06ca4ae48df9d26fbf35d81f20edb15688ea1cc72e971ff98 [2023-11-06 22:17:35,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:17:35,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:17:35,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:17:35,059 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:17:35,060 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:17:35,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03156333-858a-44a8-8c7f-399f378d7bee/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c [2023-11-06 22:17:38,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:17:39,122 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:17:39,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03156333-858a-44a8-8c7f-399f378d7bee/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c [2023-11-06 22:17:39,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03156333-858a-44a8-8c7f-399f378d7bee/bin/uautomizer-verify-WvqO1wxjHP/data/d3bc5a38a/745171d5b8dc4f7d8cb307840fb9c1af/FLAG6f6044dc0 [2023-11-06 22:17:39,177 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03156333-858a-44a8-8c7f-399f378d7bee/bin/uautomizer-verify-WvqO1wxjHP/data/d3bc5a38a/745171d5b8dc4f7d8cb307840fb9c1af [2023-11-06 22:17:39,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:17:39,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:17:39,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:17:39,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:17:39,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:17:39,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:17:39" (1/1) ... [2023-11-06 22:17:39,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b633031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:39, skipping insertion in model container [2023-11-06 22:17:39,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:17:39" (1/1) ... [2023-11-06 22:17:39,296 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:17:39,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:17:39,617 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:17:39,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-06 22:17:39,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2023-11-06 22:17:39,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] [2023-11-06 22:17:39,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [353] [2023-11-06 22:17:39,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [443] [2023-11-06 22:17:39,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [544] [2023-11-06 22:17:39,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [910] [2023-11-06 22:17:39,632 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [959] [2023-11-06 22:17:39,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:17:39,715 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:17:39,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:39 WrapperNode [2023-11-06 22:17:39,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:17:39,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:17:39,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:17:39,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:17:39,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:39" (1/1) ... [2023-11-06 22:17:39,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:39" (1/1) ... [2023-11-06 22:17:39,784 INFO L138 Inliner]: procedures = 57, calls = 105, calls flagged for inlining = 58, calls inlined = 89, statements flattened = 554 [2023-11-06 22:17:39,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:17:39,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:17:39,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:17:39,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:17:39,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:39" (1/1) ... [2023-11-06 22:17:39,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:39" (1/1) ... [2023-11-06 22:17:39,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:39" (1/1) ... [2023-11-06 22:17:39,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:39" (1/1) ... [2023-11-06 22:17:39,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:39" (1/1) ... [2023-11-06 22:17:39,820 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:39" (1/1) ... [2023-11-06 22:17:39,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:39" (1/1) ... [2023-11-06 22:17:39,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:39" (1/1) ... [2023-11-06 22:17:39,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:17:39,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:17:39,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:17:39,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:17:39,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:39" (1/1) ... [2023-11-06 22:17:39,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:17:39,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03156333-858a-44a8-8c7f-399f378d7bee/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:39,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03156333-858a-44a8-8c7f-399f378d7bee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:17:39,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03156333-858a-44a8-8c7f-399f378d7bee/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:17:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:17:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:17:39,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:17:39,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:17:40,047 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:17:40,050 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:17:40,667 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:17:40,679 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:17:40,679 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:17:40,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:17:40 BoogieIcfgContainer [2023-11-06 22:17:40,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:17:40,685 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:17:40,685 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:17:40,690 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:17:40,691 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:17:40,691 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:17:39" (1/3) ... [2023-11-06 22:17:40,693 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ec6e133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:17:40, skipping insertion in model container [2023-11-06 22:17:40,693 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:17:40,693 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:17:39" (2/3) ... [2023-11-06 22:17:40,694 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ec6e133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:17:40, skipping insertion in model container [2023-11-06 22:17:40,694 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:17:40,694 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:17:40" (3/3) ... [2023-11-06 22:17:40,696 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product31.cil.c [2023-11-06 22:17:40,774 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:17:40,774 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:17:40,774 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:17:40,775 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:17:40,775 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:17:40,775 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:17:40,776 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:17:40,776 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:17:40,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 167 states, 166 states have (on average 1.3373493975903614) internal successors, (222), 166 states have internal predecessors, (222), 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 22:17:40,826 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2023-11-06 22:17:40,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:17:40,830 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:17:40,841 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:40,842 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:40,842 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:17:40,847 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 167 states, 166 states have (on average 1.3373493975903614) internal successors, (222), 166 states have internal predecessors, (222), 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 22:17:40,876 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2023-11-06 22:17:40,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:17:40,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:17:40,887 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:40,889 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:40,897 INFO L748 eck$LassoCheckResult]: Stem: 27#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 38#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~6#1, main_~tmp~5#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 22#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 130#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 108#valid_product_returnLabel#1true main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 39#L531true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 90#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; 151#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 134#L74-2true [2023-11-06 22:17:40,898 INFO L750 eck$LassoCheckResult]: Loop: 134#L74-2true assume !false; 70#L75true assume test_~splverifierCounter~0#1 < 4; 79#L76true havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 149#L84true assume !(0 != test_~tmp~0#1); 24#L84-2true havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 150#L94true assume !(0 != test_~tmp___0~0#1); 131#L94-2true havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 19#L104true assume 0 != test_~tmp___2~0#1; 40#L110-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#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; 145#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 102#__utac_acc__Specification5_spec__2_returnLabel#1true havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 105#L151true assume !(0 != ~pumpRunning~0); 20#L151-2true assume !(0 != ~systemActive~0); 115#L158-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 71#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 144#L938true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 73#L938-1true havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 72#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 134#L74-2true [2023-11-06 22:17:40,906 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:40,906 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2023-11-06 22:17:40,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:40,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980815272] [2023-11-06 22:17:40,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:40,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:41,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:41,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:41,178 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:41,179 INFO L85 PathProgramCache]: Analyzing trace with hash 353150766, now seen corresponding path program 1 times [2023-11-06 22:17:41,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:41,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395696117] [2023-11-06 22:17:41,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:41,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:41,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:41,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:41,245 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:41,246 INFO L85 PathProgramCache]: Analyzing trace with hash -986201641, now seen corresponding path program 1 times [2023-11-06 22:17:41,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:41,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599615565] [2023-11-06 22:17:41,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:41,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:41,617 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 22:17:41,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:41,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599615565] [2023-11-06 22:17:41,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599615565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:17:41,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:17:41,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:17:41,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609513828] [2023-11-06 22:17:41,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:41,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:41,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:17:41,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:17:41,842 INFO L87 Difference]: Start difference. First operand has 167 states, 166 states have (on average 1.3373493975903614) internal successors, (222), 166 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:17:42,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:17:42,002 INFO L93 Difference]: Finished difference Result 387 states and 498 transitions. [2023-11-06 22:17:42,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 387 states and 498 transitions. [2023-11-06 22:17:42,015 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 249 [2023-11-06 22:17:42,024 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 387 states to 357 states and 468 transitions. [2023-11-06 22:17:42,025 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 357 [2023-11-06 22:17:42,029 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 357 [2023-11-06 22:17:42,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 357 states and 468 transitions. [2023-11-06 22:17:42,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:17:42,038 INFO L218 hiAutomatonCegarLoop]: Abstraction has 357 states and 468 transitions. [2023-11-06 22:17:42,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states and 468 transitions. [2023-11-06 22:17:42,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 212. [2023-11-06 22:17:42,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 212 states have (on average 1.3113207547169812) internal successors, (278), 211 states have internal predecessors, (278), 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 22:17:42,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 278 transitions. [2023-11-06 22:17:42,105 INFO L240 hiAutomatonCegarLoop]: Abstraction has 212 states and 278 transitions. [2023-11-06 22:17:42,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:17:42,112 INFO L428 stractBuchiCegarLoop]: Abstraction has 212 states and 278 transitions. [2023-11-06 22:17:42,112 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:17:42,112 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 212 states and 278 transitions. [2023-11-06 22:17:42,117 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 148 [2023-11-06 22:17:42,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:17:42,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:17:42,119 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:42,119 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:42,119 INFO L748 eck$LassoCheckResult]: Stem: 619#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 620#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~6#1, main_~tmp~5#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 609#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 610#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 704#valid_product_returnLabel#1 main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 640#L531 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 641#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; 688#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 674#L74-2 [2023-11-06 22:17:42,120 INFO L750 eck$LassoCheckResult]: Loop: 674#L74-2 assume !false; 669#L75 assume test_~splverifierCounter~0#1 < 4; 670#L76 havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 683#L84 assume !(0 != test_~tmp~0#1); 611#L84-2 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 612#L94 assume !(0 != test_~tmp___0~0#1); 713#L94-2 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 602#L104 assume 0 != test_~tmp___2~0#1; 603#L110-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#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; 642#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 701#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 702#L151 assume !(0 != ~pumpRunning~0); 605#L151-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 606#L209 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 634#L183-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 575#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 576#L183-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 663#L209-1 havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 710#L158-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 671#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 672#L938 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~9#1); 675#L938-1 havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 673#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 674#L74-2 [2023-11-06 22:17:42,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:42,121 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2023-11-06 22:17:42,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:42,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491363626] [2023-11-06 22:17:42,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:42,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:42,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:42,147 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:42,148 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:42,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1698677045, now seen corresponding path program 1 times [2023-11-06 22:17:42,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:42,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558503396] [2023-11-06 22:17:42,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:42,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:42,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:42,179 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:42,194 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:42,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1772623828, now seen corresponding path program 1 times [2023-11-06 22:17:42,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:42,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200901511] [2023-11-06 22:17:42,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:42,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:42,389 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 22:17:42,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:42,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200901511] [2023-11-06 22:17:42,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200901511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:17:42,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:17:42,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:17:42,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355316231] [2023-11-06 22:17:42,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:42,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:42,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:17:42,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:17:42,564 INFO L87 Difference]: Start difference. First operand 212 states and 278 transitions. cyclomatic complexity: 69 Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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 22:17:42,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:17:42,834 INFO L93 Difference]: Finished difference Result 603 states and 789 transitions. [2023-11-06 22:17:42,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 603 states and 789 transitions. [2023-11-06 22:17:42,843 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 388 [2023-11-06 22:17:42,850 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 603 states to 603 states and 789 transitions. [2023-11-06 22:17:42,850 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 603 [2023-11-06 22:17:42,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 603 [2023-11-06 22:17:42,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 603 states and 789 transitions. [2023-11-06 22:17:42,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:17:42,856 INFO L218 hiAutomatonCegarLoop]: Abstraction has 603 states and 789 transitions. [2023-11-06 22:17:42,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states and 789 transitions. [2023-11-06 22:17:42,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 414. [2023-11-06 22:17:42,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 414 states have (on average 1.2995169082125604) internal successors, (538), 413 states have internal predecessors, (538), 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 22:17:42,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 538 transitions. [2023-11-06 22:17:42,898 INFO L240 hiAutomatonCegarLoop]: Abstraction has 414 states and 538 transitions. [2023-11-06 22:17:42,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:17:42,901 INFO L428 stractBuchiCegarLoop]: Abstraction has 414 states and 538 transitions. [2023-11-06 22:17:42,901 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:17:42,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 414 states and 538 transitions. [2023-11-06 22:17:42,905 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 294 [2023-11-06 22:17:42,906 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:17:42,906 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:17:42,909 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:42,909 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] [2023-11-06 22:17:42,911 INFO L748 eck$LassoCheckResult]: Stem: 1449#$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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 1450#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~6#1, main_~tmp~5#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 1439#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1440#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 1541#valid_product_returnLabel#1 main_#t~ret26#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 1470#L531 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 1471#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; 1526#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1507#L74-2 [2023-11-06 22:17:42,911 INFO L750 eck$LassoCheckResult]: Loop: 1507#L74-2 assume !false; 1502#L75 assume test_~splverifierCounter~0#1 < 4; 1503#L76 havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 1800#L84 assume !(0 != test_~tmp~0#1); 1441#L84-2 havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 1442#L94 assume !(0 != test_~tmp___0~0#1); 1571#L94-2 havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 1673#L104 assume 0 != test_~tmp___2~0#1; 1472#L110-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#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; 1473#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 1537#__utac_acc__Specification5_spec__2_returnLabel#1 havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1538#L151 assume !(0 != ~pumpRunning~0); 1435#L151-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1436#L209 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 1464#L183-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1404#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 1405#L183-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1495#L209-1 havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 1719#L158-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~9#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 1718#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~9#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 1567#L938 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; 1513#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret52#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 1514#L942 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1555#L938-1 havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~9#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1506#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1507#L74-2 [2023-11-06 22:17:42,913 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:42,914 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2023-11-06 22:17:42,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:42,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253492862] [2023-11-06 22:17:42,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:42,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:42,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:42,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:42,956 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:42,956 INFO L85 PathProgramCache]: Analyzing trace with hash 320064528, now seen corresponding path program 1 times [2023-11-06 22:17:42,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:42,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829314878] [2023-11-06 22:17:42,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:42,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:42,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:42,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:42,997 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:42,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1589514567, now seen corresponding path program 1 times [2023-11-06 22:17:42,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:42,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126032738] [2023-11-06 22:17:42,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:42,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:43,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:43,049 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:17:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:44,360 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:17:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:17:44,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:17:44 BoogieIcfgContainer [2023-11-06 22:17:44,459 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:17:44,461 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:17:44,461 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:17:44,461 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:17:44,462 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:17:40" (3/4) ... [2023-11-06 22:17:44,465 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-06 22:17:44,544 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03156333-858a-44a8-8c7f-399f378d7bee/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:17:44,544 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:17:44,545 INFO L158 Benchmark]: Toolchain (without parser) took 5354.59ms. Allocated memory is still 205.5MB. Free memory was 155.6MB in the beginning and 66.6MB in the end (delta: 89.0MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2023-11-06 22:17:44,546 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 151.0MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:17:44,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.32ms. Allocated memory is still 205.5MB. Free memory was 155.6MB in the beginning and 136.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:17:44,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.16ms. Allocated memory is still 205.5MB. Free memory was 136.7MB in the beginning and 133.2MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:17:44,548 INFO L158 Benchmark]: Boogie Preprocessor took 45.55ms. Allocated memory is still 205.5MB. Free memory was 133.2MB in the beginning and 131.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:17:44,549 INFO L158 Benchmark]: RCFGBuilder took 851.69ms. Allocated memory is still 205.5MB. Free memory was 131.1MB in the beginning and 107.3MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-06 22:17:44,549 INFO L158 Benchmark]: BuchiAutomizer took 3774.34ms. Allocated memory is still 205.5MB. Free memory was 107.3MB in the beginning and 68.7MB in the end (delta: 38.6MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-11-06 22:17:44,550 INFO L158 Benchmark]: Witness Printer took 83.57ms. Allocated memory is still 205.5MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:17:44,553 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 151.0MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.32ms. Allocated memory is still 205.5MB. Free memory was 155.6MB in the beginning and 136.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.16ms. Allocated memory is still 205.5MB. Free memory was 136.7MB in the beginning and 133.2MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.55ms. Allocated memory is still 205.5MB. Free memory was 133.2MB in the beginning and 131.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 851.69ms. Allocated memory is still 205.5MB. Free memory was 131.1MB in the beginning and 107.3MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 3774.34ms. Allocated memory is still 205.5MB. Free memory was 107.3MB in the beginning and 68.7MB in the end (delta: 38.6MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Witness Printer took 83.57ms. Allocated memory is still 205.5MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] - GenericResultAtLocation [Line: 130]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] - GenericResultAtLocation [Line: 353]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [353] - GenericResultAtLocation [Line: 443]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [443] - GenericResultAtLocation [Line: 544]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [544] - GenericResultAtLocation [Line: 910]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [910] - GenericResultAtLocation [Line: 959]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [959] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 414 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.2s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 334 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, 1236 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1236 mSDsluCounter, 2163 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1666 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 497 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 74]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L139] int pumpRunning = 0; [L140] int systemActive = 1; [L355] int waterLevel = 1; [L356] int methaneLevelCritical = 0; [L444] int cleanupTimeShifts = 4; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L911] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L522] int retValue_acc ; [L523] int tmp ; [L527] FCALL select_helpers() [L528] FCALL select_features() [L529] CALL, EXPR valid_product() [L986] int retValue_acc ; [L989] retValue_acc = 1 [L990] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L529] RET, EXPR valid_product() [L529] tmp = valid_product() [L531] COND TRUE \read(tmp) [L533] FCALL setup() [L534] CALL runTest() [L512] CALL __utac_acc__Specification5_spec__1() [L916] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L512] RET __utac_acc__Specification5_spec__1() [L513] CALL test() [L65] int splverifierCounter ; [L66] int tmp ; [L67] int tmp___0 ; [L68] int tmp___1 ; [L69] int tmp___2 ; [L72] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L74] COND TRUE 1 [L76] COND TRUE splverifierCounter < 4 [L82] tmp = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp)) [L92] tmp___0 = __VERIFIER_nondet_int() [L94] COND FALSE !(\read(tmp___0)) [L102] tmp___2 = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp___2) [L119] CALL timeShift() [L149] CALL __utac_acc__Specification5_spec__2() [L925] CALL, EXPR isPumpRunning() [L275] int retValue_acc ; [L278] retValue_acc = pumpRunning [L279] return (retValue_acc); [L925] RET, EXPR isPumpRunning() [L925] switchedOnBeforeTS = isPumpRunning() [L149] RET __utac_acc__Specification5_spec__2() [L151] COND FALSE !(\read(pumpRunning)) [L158] COND TRUE \read(systemActive) [L160] CALL processEnvironment() [L206] int tmp ; [L209] COND FALSE !(\read(pumpRunning)) [L224] CALL processEnvironment__wrappee__methaneQuery() [L180] int tmp ; [L183] COND FALSE !(\read(pumpRunning)) [L198] FCALL processEnvironment__wrappee__base() [L224] RET processEnvironment__wrappee__methaneQuery() [L160] RET processEnvironment() [L166] CALL __utac_acc__Specification5_spec__3() [L931] int tmp ; [L932] int tmp___0 ; [L936] CALL, EXPR getWaterLevel() [L426] int retValue_acc ; [L429] retValue_acc = waterLevel [L430] return (retValue_acc); [L936] RET, EXPR getWaterLevel() [L936] tmp = getWaterLevel() [L938] COND TRUE tmp != 2 [L940] CALL, EXPR isPumpRunning() [L275] int retValue_acc ; [L278] retValue_acc = pumpRunning [L279] return (retValue_acc); [L940] RET, EXPR isPumpRunning() [L940] tmp___0 = isPumpRunning() [L942] COND FALSE !(\read(tmp___0)) [L166] RET __utac_acc__Specification5_spec__3() [L119] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 74]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L139] int pumpRunning = 0; [L140] int systemActive = 1; [L355] int waterLevel = 1; [L356] int methaneLevelCritical = 0; [L444] int cleanupTimeShifts = 4; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L911] int switchedOnBeforeTS ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L522] int retValue_acc ; [L523] int tmp ; [L527] FCALL select_helpers() [L528] FCALL select_features() [L529] CALL, EXPR valid_product() [L986] int retValue_acc ; [L989] retValue_acc = 1 [L990] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L529] RET, EXPR valid_product() [L529] tmp = valid_product() [L531] COND TRUE \read(tmp) [L533] FCALL setup() [L534] CALL runTest() [L512] CALL __utac_acc__Specification5_spec__1() [L916] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L512] RET __utac_acc__Specification5_spec__1() [L513] CALL test() [L65] int splverifierCounter ; [L66] int tmp ; [L67] int tmp___0 ; [L68] int tmp___1 ; [L69] int tmp___2 ; [L72] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L74] COND TRUE 1 [L76] COND TRUE splverifierCounter < 4 [L82] tmp = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp)) [L92] tmp___0 = __VERIFIER_nondet_int() [L94] COND FALSE !(\read(tmp___0)) [L102] tmp___2 = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp___2) [L119] CALL timeShift() [L149] CALL __utac_acc__Specification5_spec__2() [L925] CALL, EXPR isPumpRunning() [L275] int retValue_acc ; [L278] retValue_acc = pumpRunning [L279] return (retValue_acc); [L925] RET, EXPR isPumpRunning() [L925] switchedOnBeforeTS = isPumpRunning() [L149] RET __utac_acc__Specification5_spec__2() [L151] COND FALSE !(\read(pumpRunning)) [L158] COND TRUE \read(systemActive) [L160] CALL processEnvironment() [L206] int tmp ; [L209] COND FALSE !(\read(pumpRunning)) [L224] CALL processEnvironment__wrappee__methaneQuery() [L180] int tmp ; [L183] COND FALSE !(\read(pumpRunning)) [L198] FCALL processEnvironment__wrappee__base() [L224] RET processEnvironment__wrappee__methaneQuery() [L160] RET processEnvironment() [L166] CALL __utac_acc__Specification5_spec__3() [L931] int tmp ; [L932] int tmp___0 ; [L936] CALL, EXPR getWaterLevel() [L426] int retValue_acc ; [L429] retValue_acc = waterLevel [L430] return (retValue_acc); [L936] RET, EXPR getWaterLevel() [L936] tmp = getWaterLevel() [L938] COND TRUE tmp != 2 [L940] CALL, EXPR isPumpRunning() [L275] int retValue_acc ; [L278] retValue_acc = pumpRunning [L279] return (retValue_acc); [L940] RET, EXPR isPumpRunning() [L940] tmp___0 = isPumpRunning() [L942] COND FALSE !(\read(tmp___0)) [L166] RET __utac_acc__Specification5_spec__3() [L119] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-06 22:17:44,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03156333-858a-44a8-8c7f-399f378d7bee/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)