./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml', '-i', '../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(F end) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-08 00:28:28,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 00:28:28,467 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 00:28:28,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 00:28:28,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 00:28:28,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 00:28:28,495 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 00:28:28,495 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 00:28:28,495 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 00:28:28,495 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 00:28:28,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 00:28:28,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 00:28:28,496 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 00:28:28,496 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 00:28:28,496 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 00:28:28,496 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 00:28:28,497 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 00:28:28,497 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 00:28:28,497 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 00:28:28,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 00:28:28,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 00:28:28,497 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 00:28:28,497 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 00:28:28,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 00:28:28,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 00:28:28,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 00:28:28,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 00:28:28,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 00:28:28,498 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 00:28:28,498 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 00:28:28,498 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 00:28:28,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 00:28:28,499 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 00:28:28,499 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 00:28:28,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 00:28:28,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 00:28:28,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 00:28:28,499 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 00:28:28,500 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 00:28:28,500 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 [2024-11-08 00:28:28,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 00:28:28,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 00:28:28,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 00:28:28,801 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 00:28:28,801 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 00:28:28,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2024-11-08 00:28:30,124 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 00:28:30,443 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 00:28:30,443 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2024-11-08 00:28:30,455 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d866cf45d/32a9e5fc942845b489673f475b956d60/FLAGdc14a2322 [2024-11-08 00:28:30,473 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d866cf45d/32a9e5fc942845b489673f475b956d60 [2024-11-08 00:28:30,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 00:28:30,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 00:28:30,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 00:28:30,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 00:28:30,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 00:28:30,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:28:30" (1/1) ... [2024-11-08 00:28:30,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a233bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:28:30, skipping insertion in model container [2024-11-08 00:28:30,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:28:30" (1/1) ... [2024-11-08 00:28:30,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 00:28:30,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 00:28:30,807 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 00:28:30,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-08 00:28:30,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] [2024-11-08 00:28:30,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [162] [2024-11-08 00:28:30,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [233] [2024-11-08 00:28:30,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [416] [2024-11-08 00:28:30,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [506] [2024-11-08 00:28:30,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [872] [2024-11-08 00:28:30,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [907] [2024-11-08 00:28:30,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 00:28:30,908 INFO L204 MainTranslator]: Completed translation [2024-11-08 00:28:30,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:28:30 WrapperNode [2024-11-08 00:28:30,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 00:28:30,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 00:28:30,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 00:28:30,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 00:28:30,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:28:30" (1/1) ... [2024-11-08 00:28:30,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:28:30" (1/1) ... [2024-11-08 00:28:30,963 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 53, statements flattened = 337 [2024-11-08 00:28:30,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 00:28:30,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 00:28:30,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 00:28:30,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 00:28:30,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:28:30" (1/1) ... [2024-11-08 00:28:30,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:28:30" (1/1) ... [2024-11-08 00:28:30,980 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:28:30" (1/1) ... [2024-11-08 00:28:30,998 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 00:28:30,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:28:30" (1/1) ... [2024-11-08 00:28:30,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:28:30" (1/1) ... [2024-11-08 00:28:31,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:28:30" (1/1) ... [2024-11-08 00:28:31,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:28:30" (1/1) ... [2024-11-08 00:28:31,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:28:30" (1/1) ... [2024-11-08 00:28:31,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:28:30" (1/1) ... [2024-11-08 00:28:31,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 00:28:31,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 00:28:31,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 00:28:31,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 00:28:31,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:28:30" (1/1) ... [2024-11-08 00:28:31,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 00:28:31,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 00:28:31,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 00:28:31,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 00:28:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 00:28:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 00:28:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 00:28:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 00:28:31,145 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 00:28:31,147 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 00:28:31,419 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-11-08 00:28:31,419 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 00:28:31,432 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 00:28:31,433 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 00:28:31,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:28:31 BoogieIcfgContainer [2024-11-08 00:28:31,435 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 00:28:31,435 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 00:28:31,435 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 00:28:31,439 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 00:28:31,440 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:28:31,440 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 12:28:30" (1/3) ... [2024-11-08 00:28:31,442 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6686dd41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 12:28:31, skipping insertion in model container [2024-11-08 00:28:31,442 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:28:31,442 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:28:30" (2/3) ... [2024-11-08 00:28:31,442 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6686dd41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 12:28:31, skipping insertion in model container [2024-11-08 00:28:31,443 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 00:28:31,443 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:28:31" (3/3) ... [2024-11-08 00:28:31,444 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2024-11-08 00:28:31,494 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 00:28:31,495 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 00:28:31,495 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 00:28:31,495 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 00:28:31,496 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 00:28:31,496 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 00:28:31,496 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 00:28:31,496 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 00:28:31,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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) [2024-11-08 00:28:31,514 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-08 00:28:31,514 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 00:28:31,514 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 00:28:31,519 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:28:31,519 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:28:31,519 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 00:28:31,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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) [2024-11-08 00:28:31,524 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2024-11-08 00:28:31,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 00:28:31,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 00:28:31,525 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:28:31,526 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:28:31,530 INFO L745 eck$LassoCheckResult]: Stem: 28#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 33#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 23#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 93#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; 81#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 85#L149true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 65#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 69#L175-2true [2024-11-08 00:28:31,530 INFO L747 eck$LassoCheckResult]: Loop: 69#L175-2true assume !false; 36#L176true assume test_~splverifierCounter~0#1 < 4; 47#L177true havoc test_#t~nondet5#1;test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 89#L185true assume !(0 != test_~tmp~1#1); 40#L185-2true havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 94#L195true assume !(0 != test_~tmp___0~0#1); 70#L195-2true havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 72#L205true assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet8#1;test_~tmp___1~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 107#L213true assume !(0 != test_~tmp___1~0#1); 13#L213-2true assume { :begin_inline_timeShift } true; 7#L249true assume !(0 != ~pumpRunning~0); 24#L249-2true assume !(0 != ~systemActive~0); 59#L256-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 104#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification1_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret49#1;havoc __utac_acc__Specification1_spec__1_#t~ret49#1; 98#L916true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 71#L916-1true havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 56#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 69#L175-2true [2024-11-08 00:28:31,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:28:31,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-08 00:28:31,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:28:31,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887167555] [2024-11-08 00:28:31,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:28:31,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:28:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:28:31,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:28:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:28:31,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:28:31,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:28:31,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1380836273, now seen corresponding path program 1 times [2024-11-08 00:28:31,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:28:31,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210946688] [2024-11-08 00:28:31,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:28:31,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:28:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:28:31,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:28:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:28:31,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:28:31,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:28:31,677 INFO L85 PathProgramCache]: Analyzing trace with hash 449154669, now seen corresponding path program 1 times [2024-11-08 00:28:31,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:28:31,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813190132] [2024-11-08 00:28:31,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:28:31,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:28:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 00:28:31,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 00:28:31,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 00:28:31,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813190132] [2024-11-08 00:28:31,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813190132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 00:28:31,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 00:28:31,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 00:28:31,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662231832] [2024-11-08 00:28:31,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 00:28:32,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 00:28:32,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 00:28:32,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 00:28:32,035 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.348623853211009) internal successors, (147), 109 states have internal predecessors, (147), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2024-11-08 00:28:32,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 00:28:32,178 INFO L93 Difference]: Finished difference Result 264 states and 336 transitions. [2024-11-08 00:28:32,179 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 264 states and 336 transitions. [2024-11-08 00:28:32,189 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 171 [2024-11-08 00:28:32,197 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 264 states to 234 states and 306 transitions. [2024-11-08 00:28:32,199 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 234 [2024-11-08 00:28:32,201 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 234 [2024-11-08 00:28:32,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 234 states and 306 transitions. [2024-11-08 00:28:32,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 00:28:32,203 INFO L218 hiAutomatonCegarLoop]: Abstraction has 234 states and 306 transitions. [2024-11-08 00:28:32,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states and 306 transitions. [2024-11-08 00:28:32,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 146. [2024-11-08 00:28:32,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 146 states have (on average 1.3082191780821917) internal successors, (191), 145 states have internal predecessors, (191), 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) [2024-11-08 00:28:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 191 transitions. [2024-11-08 00:28:32,270 INFO L240 hiAutomatonCegarLoop]: Abstraction has 146 states and 191 transitions. [2024-11-08 00:28:32,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 00:28:32,273 INFO L425 stractBuchiCegarLoop]: Abstraction has 146 states and 191 transitions. [2024-11-08 00:28:32,273 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 00:28:32,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 146 states and 191 transitions. [2024-11-08 00:28:32,277 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 105 [2024-11-08 00:28:32,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 00:28:32,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 00:28:32,278 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 00:28:32,278 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] [2024-11-08 00:28:32,279 INFO L745 eck$LassoCheckResult]: Stem: 457#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 458#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 450#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 451#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; 444#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 445#L149 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 396#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 397#L175-2 [2024-11-08 00:28:32,279 INFO L747 eck$LassoCheckResult]: Loop: 397#L175-2 assume !false; 407#L176 assume test_~splverifierCounter~0#1 < 4; 470#L177 havoc test_#t~nondet5#1;test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 459#L185 assume !(0 != test_~tmp~1#1); 461#L185-2 havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 467#L195 assume !(0 != test_~tmp___0~0#1); 408#L195-2 havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 409#L205 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet8#1;test_~tmp___1~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 417#L213 assume !(0 != test_~tmp___1~0#1); 430#L213-2 assume { :begin_inline_timeShift } true; 404#L249 assume !(0 != ~pumpRunning~0); 405#L249-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 435#L281 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 400#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 401#L281-1 havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 454#L256-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~7#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 483#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification1_spec__1_#t~ret49#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~7#1 := __utac_acc__Specification1_spec__1_#t~ret49#1;havoc __utac_acc__Specification1_spec__1_#t~ret49#1; 476#L916 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7#1); 415#L916-1 havoc __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_#t~ret50#1, __utac_acc__Specification1_spec__1_~tmp~7#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true; 416#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 397#L175-2 [2024-11-08 00:28:32,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:28:32,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-08 00:28:32,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:28:32,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75838520] [2024-11-08 00:28:32,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:28:32,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:28:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:28:32,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:28:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:28:32,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:28:32,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:28:32,314 INFO L85 PathProgramCache]: Analyzing trace with hash 171629351, now seen corresponding path program 1 times [2024-11-08 00:28:32,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:28:32,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919911356] [2024-11-08 00:28:32,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:28:32,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:28:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:28:32,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:28:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:28:32,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:28:32,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 00:28:32,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1476368661, now seen corresponding path program 1 times [2024-11-08 00:28:32,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 00:28:32,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145429398] [2024-11-08 00:28:32,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 00:28:32,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 00:28:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:28:32,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:28:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:28:32,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 00:28:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:28:33,284 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 00:28:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 00:28:33,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 12:28:33 BoogieIcfgContainer [2024-11-08 00:28:33,333 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 00:28:33,333 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 00:28:33,333 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 00:28:33,334 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 00:28:33,334 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:28:31" (3/4) ... [2024-11-08 00:28:33,336 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 00:28:33,376 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-08 00:28:33,376 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 00:28:33,377 INFO L158 Benchmark]: Toolchain (without parser) took 2898.88ms. Allocated memory is still 100.7MB. Free memory was 76.1MB in the beginning and 48.4MB in the end (delta: 27.6MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2024-11-08 00:28:33,377 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 48.6MB in the end (delta: 82.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:28:33,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.12ms. Allocated memory is still 100.7MB. Free memory was 75.9MB in the beginning and 57.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 00:28:33,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.71ms. Allocated memory is still 100.7MB. Free memory was 57.9MB in the beginning and 55.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:28:33,378 INFO L158 Benchmark]: Boogie Preprocessor took 50.46ms. Allocated memory is still 100.7MB. Free memory was 55.7MB in the beginning and 53.5MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 00:28:33,378 INFO L158 Benchmark]: RCFGBuilder took 416.88ms. Allocated memory is still 100.7MB. Free memory was 53.5MB in the beginning and 73.3MB in the end (delta: -19.8MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2024-11-08 00:28:33,379 INFO L158 Benchmark]: BuchiAutomizer took 1897.45ms. Allocated memory is still 100.7MB. Free memory was 72.9MB in the beginning and 51.1MB in the end (delta: 21.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-08 00:28:33,380 INFO L158 Benchmark]: Witness Printer took 42.71ms. Allocated memory is still 100.7MB. Free memory was 51.1MB in the beginning and 48.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 00:28:33,382 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 48.6MB in the end (delta: 82.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.12ms. Allocated memory is still 100.7MB. Free memory was 75.9MB in the beginning and 57.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.71ms. Allocated memory is still 100.7MB. Free memory was 57.9MB in the beginning and 55.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.46ms. Allocated memory is still 100.7MB. Free memory was 55.7MB in the beginning and 53.5MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 416.88ms. Allocated memory is still 100.7MB. Free memory was 53.5MB in the beginning and 73.3MB in the end (delta: -19.8MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1897.45ms. Allocated memory is still 100.7MB. Free memory was 72.9MB in the beginning and 51.1MB in the end (delta: 21.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Witness Printer took 42.71ms. Allocated memory is still 100.7MB. Free memory was 51.1MB in the beginning and 48.4MB in the end (delta: 2.6MB). There was no memory consumed. 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,"Test.i","") [58] - GenericResultAtLocation [Line: 162]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [162] - GenericResultAtLocation [Line: 233]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [233] - GenericResultAtLocation [Line: 416]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [416] - GenericResultAtLocation [Line: 506]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [506] - GenericResultAtLocation [Line: 872]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [872] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [907] * 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 146 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. 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 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 88 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, 231 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 231 mSDsluCounter, 641 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 513 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 128 mSDtfsCounter, 42 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: 175]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int cleanupTimeShifts = 4; [L241] int pumpRunning = 0; [L242] int systemActive = 1; [L418] int waterLevel = 1; [L419] int methaneLevelCritical = 0; [L676] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L899] int retValue_acc ; [L902] retValue_acc = 1 [L903] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L166] int splverifierCounter ; [L167] int tmp ; [L168] int tmp___0 ; [L169] int tmp___1 ; [L170] int tmp___2 ; [L173] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L175] COND TRUE 1 [L177] COND TRUE splverifierCounter < 4 [L183] tmp = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp)) [L193] tmp___0 = __VERIFIER_nondet_int() [L195] COND FALSE !(\read(tmp___0)) [L203] tmp___2 = __VERIFIER_nondet_int() [L205] COND FALSE !(\read(tmp___2)) [L211] tmp___1 = __VERIFIER_nondet_int() [L213] COND FALSE !(\read(tmp___1)) [L222] CALL timeShift() [L249] COND FALSE !(\read(pumpRunning)) [L256] COND TRUE \read(systemActive) [L258] CALL processEnvironment() [L278] int tmp ; [L281] COND FALSE !(\read(pumpRunning)) [L296] FCALL processEnvironment__wrappee__base() [L258] RET processEnvironment() [L264] CALL __utac_acc__Specification1_spec__1() [L909] int tmp ; [L910] int tmp___0 ; [L914] CALL, EXPR isMethaneLevelCritical() [L457] int retValue_acc ; [L460] retValue_acc = methaneLevelCritical [L461] return (retValue_acc); [L914] RET, EXPR isMethaneLevelCritical() [L914] tmp = isMethaneLevelCritical() [L916] COND FALSE !(\read(tmp)) [L264] RET __utac_acc__Specification1_spec__1() [L222] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 175]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int cleanupTimeShifts = 4; [L241] int pumpRunning = 0; [L242] int systemActive = 1; [L418] int waterLevel = 1; [L419] int methaneLevelCritical = 0; [L676] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L140] int retValue_acc ; [L141] int tmp ; [L145] FCALL select_helpers() [L146] FCALL select_features() [L147] CALL, EXPR valid_product() [L899] int retValue_acc ; [L902] retValue_acc = 1 [L903] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L147] RET, EXPR valid_product() [L147] tmp = valid_product() [L149] COND TRUE \read(tmp) [L151] FCALL setup() [L152] CALL runTest() [L131] CALL test() [L166] int splverifierCounter ; [L167] int tmp ; [L168] int tmp___0 ; [L169] int tmp___1 ; [L170] int tmp___2 ; [L173] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L175] COND TRUE 1 [L177] COND TRUE splverifierCounter < 4 [L183] tmp = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp)) [L193] tmp___0 = __VERIFIER_nondet_int() [L195] COND FALSE !(\read(tmp___0)) [L203] tmp___2 = __VERIFIER_nondet_int() [L205] COND FALSE !(\read(tmp___2)) [L211] tmp___1 = __VERIFIER_nondet_int() [L213] COND FALSE !(\read(tmp___1)) [L222] CALL timeShift() [L249] COND FALSE !(\read(pumpRunning)) [L256] COND TRUE \read(systemActive) [L258] CALL processEnvironment() [L278] int tmp ; [L281] COND FALSE !(\read(pumpRunning)) [L296] FCALL processEnvironment__wrappee__base() [L258] RET processEnvironment() [L264] CALL __utac_acc__Specification1_spec__1() [L909] int tmp ; [L910] int tmp___0 ; [L914] CALL, EXPR isMethaneLevelCritical() [L457] int retValue_acc ; [L460] retValue_acc = methaneLevelCritical [L461] return (retValue_acc); [L914] RET, EXPR isMethaneLevelCritical() [L914] tmp = isMethaneLevelCritical() [L916] COND FALSE !(\read(tmp)) [L264] RET __utac_acc__Specification1_spec__1() [L222] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 00:28:33,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)