./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-memory-alloca/b.18-alloca.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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', '64bit', '--witnessprinter.graph.data.programhash', '64e9a02fe4d55a12958b5de8c28c6c0ab007c7a3dc976261fd9d4ec11bf5feff'] 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/termination-memory-alloca/b.18-alloca.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 64e9a02fe4d55a12958b5de8c28c6c0ab007c7a3dc976261fd9d4ec11bf5feff --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:52:14,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:52:14,532 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-07 23:52:14,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:52:14,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:52:14,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:52:14,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:52:14,561 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:52:14,562 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:52:14,562 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:52:14,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:52:14,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:52:14,563 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:52:14,563 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-07 23:52:14,563 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-07 23:52:14,563 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-07 23:52:14,563 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-07 23:52:14,564 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-07 23:52:14,564 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-07 23:52:14,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:52:14,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-07 23:52:14,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:52:14,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:52:14,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-07 23:52:14,565 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-07 23:52:14,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-07 23:52:14,565 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:52:14,565 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:52:14,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:52:14,565 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-07 23:52:14,565 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:52:14,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:52:14,566 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:52:14,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:52:14,566 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:52:14,566 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-07 23:52:14,567 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64e9a02fe4d55a12958b5de8c28c6c0ab007c7a3dc976261fd9d4ec11bf5feff [2024-11-07 23:52:14,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:52:14,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:52:14,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:52:14,783 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:52:14,783 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:52:14,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i [2024-11-07 23:52:16,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:52:16,258 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:52:16,262 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i [2024-11-07 23:52:16,273 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d775ec2ff/382c229d5cc44b9b9cdd3bd573c11dc5/FLAG348e736af [2024-11-07 23:52:16,584 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d775ec2ff/382c229d5cc44b9b9cdd3bd573c11dc5 [2024-11-07 23:52:16,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:52:16,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:52:16,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:52:16,588 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:52:16,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:52:16,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:52:16" (1/1) ... [2024-11-07 23:52:16,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1e428a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:16, skipping insertion in model container [2024-11-07 23:52:16,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:52:16" (1/1) ... [2024-11-07 23:52:16,608 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:52:16,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:52:16,775 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:52:16,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:52:16,827 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:52:16,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:16 WrapperNode [2024-11-07 23:52:16,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:52:16,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:52:16,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:52:16,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:52:16,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:16" (1/1) ... [2024-11-07 23:52:16,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:16" (1/1) ... [2024-11-07 23:52:16,859 INFO L138 Inliner]: procedures = 111, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2024-11-07 23:52:16,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:52:16,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:52:16,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:52:16,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:52:16,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:16" (1/1) ... [2024-11-07 23:52:16,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:16" (1/1) ... [2024-11-07 23:52:16,867 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:16" (1/1) ... [2024-11-07 23:52:16,875 INFO L175 MemorySlicer]: Split 16 memory accesses to 2 slices as follows [8, 8]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [2, 2]. [2024-11-07 23:52:16,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:16" (1/1) ... [2024-11-07 23:52:16,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:16" (1/1) ... [2024-11-07 23:52:16,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:16" (1/1) ... [2024-11-07 23:52:16,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:16" (1/1) ... [2024-11-07 23:52:16,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:16" (1/1) ... [2024-11-07 23:52:16,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:16" (1/1) ... [2024-11-07 23:52:16,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:52:16,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:52:16,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:52:16,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:52:16,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:16" (1/1) ... [2024-11-07 23:52:16,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:16,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:16,916 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) [2024-11-07 23:52:16,922 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 [2024-11-07 23:52:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:52:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:52:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:52:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:52:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 23:52:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:52:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:52:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:52:17,015 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:52:17,016 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:52:17,099 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-07 23:52:17,100 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:52:17,108 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:52:17,109 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-07 23:52:17,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:52:17 BoogieIcfgContainer [2024-11-07 23:52:17,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:52:17,110 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-07 23:52:17,110 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-07 23:52:17,113 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-07 23:52:17,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-07 23:52:17,114 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 11:52:16" (1/3) ... [2024-11-07 23:52:17,115 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3804b39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 11:52:17, skipping insertion in model container [2024-11-07 23:52:17,115 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-07 23:52:17,115 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:16" (2/3) ... [2024-11-07 23:52:17,115 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3804b39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 11:52:17, skipping insertion in model container [2024-11-07 23:52:17,115 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-07 23:52:17,116 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:52:17" (3/3) ... [2024-11-07 23:52:17,116 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.18-alloca.i [2024-11-07 23:52:17,150 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-07 23:52:17,150 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-07 23:52:17,150 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-07 23:52:17,150 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-07 23:52:17,150 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-07 23:52:17,150 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-07 23:52:17,150 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-07 23:52:17,151 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-07 23:52:17,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.625) internal successors, (26), 16 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) [2024-11-07 23:52:17,164 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-07 23:52:17,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:17,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:17,168 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-07 23:52:17,168 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-07 23:52:17,168 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-07 23:52:17,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.625) internal successors, (26), 16 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) [2024-11-07 23:52:17,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-07 23:52:17,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:17,170 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:17,170 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-07 23:52:17,170 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-07 23:52:17,175 INFO L745 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 11#L559-4true [2024-11-07 23:52:17,176 INFO L747 eck$LassoCheckResult]: Loop: 11#L559-4true call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 8#L553-1true assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 4#L553-3true assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 17#L554true assume !(test_fun_#t~mem7#1 > test_fun_#t~mem8#1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 5#L559-3true assume !true; 11#L559-4true [2024-11-07 23:52:17,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:17,179 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-07 23:52:17,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:17,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582184711] [2024-11-07 23:52:17,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:17,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:17,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:17,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:17,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:17,307 INFO L85 PathProgramCache]: Analyzing trace with hash 35410170, now seen corresponding path program 1 times [2024-11-07 23:52:17,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:17,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766619009] [2024-11-07 23:52:17,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:17,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:52:17,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:52:17,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766619009] [2024-11-07 23:52:17,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766619009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:52:17,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:52:17,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 23:52:17,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224641007] [2024-11-07 23:52:17,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:52:17,343 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-07 23:52:17,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:52:17,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 23:52:17,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 23:52:17,361 INFO L87 Difference]: Start difference. First operand has 17 states, 16 states have (on average 1.625) internal successors, (26), 16 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) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 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) [2024-11-07 23:52:17,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:52:17,365 INFO L93 Difference]: Finished difference Result 17 states and 23 transitions. [2024-11-07 23:52:17,365 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 23 transitions. [2024-11-07 23:52:17,366 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-07 23:52:17,369 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 10 states and 14 transitions. [2024-11-07 23:52:17,369 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2024-11-07 23:52:17,369 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-07 23:52:17,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 14 transitions. [2024-11-07 23:52:17,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-07 23:52:17,370 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 14 transitions. [2024-11-07 23:52:17,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 14 transitions. [2024-11-07 23:52:17,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-11-07 23:52:17,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 9 states have internal predecessors, (14), 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) [2024-11-07 23:52:17,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 14 transitions. [2024-11-07 23:52:17,385 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 14 transitions. [2024-11-07 23:52:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 23:52:17,387 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2024-11-07 23:52:17,388 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-07 23:52:17,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 14 transitions. [2024-11-07 23:52:17,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2024-11-07 23:52:17,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:17,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:17,388 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-07 23:52:17,388 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-07 23:52:17,389 INFO L745 eck$LassoCheckResult]: Stem: 48#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 49#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 50#L559-4 [2024-11-07 23:52:17,389 INFO L747 eck$LassoCheckResult]: Loop: 50#L559-4 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 51#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 44#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 45#L554 assume test_fun_#t~mem7#1 > test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 42#L555-3 call test_fun_#t~mem9#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 43#L555-1 assume !(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1; 50#L559-4 [2024-11-07 23:52:17,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:17,389 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-07 23:52:17,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:17,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161215158] [2024-11-07 23:52:17,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:17,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:17,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:17,413 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:17,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:17,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1097700202, now seen corresponding path program 1 times [2024-11-07 23:52:17,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:17,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384052472] [2024-11-07 23:52:17,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:17,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:17,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:52:17,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:52:17,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384052472] [2024-11-07 23:52:17,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384052472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:52:17,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:52:17,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:52:17,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367553228] [2024-11-07 23:52:17,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:52:17,527 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-07 23:52:17,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:52:17,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:52:17,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:52:17,528 INFO L87 Difference]: Start difference. First operand 10 states and 14 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-07 23:52:17,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:52:17,559 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-11-07 23:52:17,559 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 20 transitions. [2024-11-07 23:52:17,559 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2024-11-07 23:52:17,559 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 20 transitions. [2024-11-07 23:52:17,559 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-11-07 23:52:17,560 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2024-11-07 23:52:17,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2024-11-07 23:52:17,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-07 23:52:17,560 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2024-11-07 23:52:17,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2024-11-07 23:52:17,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2024-11-07 23:52:17,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 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) [2024-11-07 23:52:17,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2024-11-07 23:52:17,561 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-11-07 23:52:17,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:52:17,562 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-11-07 23:52:17,562 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-07 23:52:17,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2024-11-07 23:52:17,562 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-07 23:52:17,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:17,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:17,562 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-07 23:52:17,562 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-07 23:52:17,562 INFO L745 eck$LassoCheckResult]: Stem: 83#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 84#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 85#L559-4 [2024-11-07 23:52:17,563 INFO L747 eck$LassoCheckResult]: Loop: 85#L559-4 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 86#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 79#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 80#L554 assume !(test_fun_#t~mem7#1 > test_fun_#t~mem8#1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 81#L559-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 82#L559-1 assume !(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1; 85#L559-4 [2024-11-07 23:52:17,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:17,563 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2024-11-07 23:52:17,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:17,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139534093] [2024-11-07 23:52:17,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:17,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:17,575 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:17,582 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:17,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:17,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1097715097, now seen corresponding path program 1 times [2024-11-07 23:52:17,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:17,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135436084] [2024-11-07 23:52:17,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:17,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:52:17,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:52:17,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135436084] [2024-11-07 23:52:17,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135436084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:52:17,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:52:17,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:52:17,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192909715] [2024-11-07 23:52:17,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:52:17,669 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-07 23:52:17,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:52:17,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:52:17,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:52:17,669 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2024-11-07 23:52:17,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:52:17,711 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2024-11-07 23:52:17,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2024-11-07 23:52:17,712 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2024-11-07 23:52:17,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 22 transitions. [2024-11-07 23:52:17,712 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-07 23:52:17,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-07 23:52:17,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2024-11-07 23:52:17,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-07 23:52:17,713 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2024-11-07 23:52:17,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2024-11-07 23:52:17,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 14. [2024-11-07 23:52:17,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 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) [2024-11-07 23:52:17,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2024-11-07 23:52:17,715 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-07 23:52:17,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:52:17,716 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-07 23:52:17,716 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-07 23:52:17,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2024-11-07 23:52:17,716 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-11-07 23:52:17,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:17,716 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:17,717 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-07 23:52:17,717 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-07 23:52:17,717 INFO L745 eck$LassoCheckResult]: Stem: 122#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 123#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 125#L559-4 [2024-11-07 23:52:17,717 INFO L747 eck$LassoCheckResult]: Loop: 125#L559-4 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 126#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 118#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 119#L554 assume test_fun_#t~mem7#1 > test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 116#L555-3 call test_fun_#t~mem9#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 117#L555-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 127#L555-3 call test_fun_#t~mem9#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 129#L555-1 assume !(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1; 125#L559-4 [2024-11-07 23:52:17,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:17,718 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times [2024-11-07 23:52:17,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:17,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277809916] [2024-11-07 23:52:17,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:17,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:17,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:17,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:17,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:17,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1672057937, now seen corresponding path program 1 times [2024-11-07 23:52:17,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:17,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190104373] [2024-11-07 23:52:17,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:17,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:17,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:52:17,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:52:17,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190104373] [2024-11-07 23:52:17,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190104373] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:52:17,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044033043] [2024-11-07 23:52:17,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:17,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:52:17,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:17,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:52:17,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 23:52:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:17,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 23:52:17,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:52:17,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-07 23:52:17,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-07 23:52:18,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-07 23:52:18,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:52:18,004 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:52:18,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-07 23:52:18,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:52:18,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044033043] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:52:18,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:52:18,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2024-11-07 23:52:18,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701410557] [2024-11-07 23:52:18,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:52:18,061 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-07 23:52:18,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:52:18,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:52:18,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:52:18,061 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 5 Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 9 states have internal predecessors, (12), 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) [2024-11-07 23:52:18,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:52:18,155 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2024-11-07 23:52:18,156 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2024-11-07 23:52:18,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2024-11-07 23:52:18,157 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 21 transitions. [2024-11-07 23:52:18,157 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-07 23:52:18,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-07 23:52:18,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2024-11-07 23:52:18,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-07 23:52:18,157 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 21 transitions. [2024-11-07 23:52:18,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2024-11-07 23:52:18,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2024-11-07 23:52:18,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 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) [2024-11-07 23:52:18,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2024-11-07 23:52:18,158 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-11-07 23:52:18,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:52:18,159 INFO L425 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2024-11-07 23:52:18,160 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-07 23:52:18,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2024-11-07 23:52:18,160 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2024-11-07 23:52:18,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:18,160 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:18,160 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-07 23:52:18,160 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-07 23:52:18,161 INFO L745 eck$LassoCheckResult]: Stem: 217#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 218#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 220#L559-4 [2024-11-07 23:52:18,161 INFO L747 eck$LassoCheckResult]: Loop: 220#L559-4 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 221#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 213#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 214#L554 assume !(test_fun_#t~mem7#1 > test_fun_#t~mem8#1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 223#L559-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 219#L559-1 assume !!(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 215#L559-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 216#L559-1 assume !(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1; 220#L559-4 [2024-11-07 23:52:18,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:18,161 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 5 times [2024-11-07 23:52:18,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:18,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310513903] [2024-11-07 23:52:18,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:18,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:18,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:18,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:18,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:18,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1657743362, now seen corresponding path program 1 times [2024-11-07 23:52:18,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:18,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647911525] [2024-11-07 23:52:18,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:18,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:18,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:18,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:18,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:18,206 INFO L85 PathProgramCache]: Analyzing trace with hash -967181888, now seen corresponding path program 1 times [2024-11-07 23:52:18,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:18,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372227359] [2024-11-07 23:52:18,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:18,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:18,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:18,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:18,569 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:52:18,570 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:52:18,570 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:52:18,570 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:52:18,570 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-07 23:52:18,570 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:18,570 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:52:18,570 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:52:18,571 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.18-alloca.i_Iteration5_Lasso [2024-11-07 23:52:18,571 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:52:18,571 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:52:18,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,594 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,786 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:18,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:19,045 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:52:19,047 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-07 23:52:19,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:19,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:19,050 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2024-11-07 23:52:19,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-07 23:52:19,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:19,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:19,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:19,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:19,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:19,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:19,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:19,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:19,069 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:19,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:19,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:19,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:19,083 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-11-07 23:52:19,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-07 23:52:19,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:19,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:19,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:19,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:19,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:19,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:19,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:19,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:19,098 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:19,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:19,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:19,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:19,113 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-11-07 23:52:19,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-07 23:52:19,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:19,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:19,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:19,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:19,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:19,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:19,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:19,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:19,130 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:19,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-07 23:52:19,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:19,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:19,143 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2024-11-07 23:52:19,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-07 23:52:19,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:19,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:19,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:19,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:19,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:19,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:19,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:19,176 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:19,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-07 23:52:19,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:19,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:19,197 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2024-11-07 23:52:19,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-07 23:52:19,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:19,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:19,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:19,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:19,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:19,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:19,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:19,215 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:19,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-07 23:52:19,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:19,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:19,230 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2024-11-07 23:52:19,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-07 23:52:19,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:19,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:19,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:19,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:19,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:19,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:19,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:19,251 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-07 23:52:19,269 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-07 23:52:19,270 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-11-07 23:52:19,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:19,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:19,274 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2024-11-07 23:52:19,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-07 23:52:19,277 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-07 23:52:19,288 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-07 23:52:19,288 INFO L474 LassoAnalysis]: Proved termination. [2024-11-07 23:52:19,289 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 Supporting invariants [] [2024-11-07 23:52:19,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:19,318 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2024-11-07 23:52:19,321 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-07 23:52:19,321 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-07 23:52:19,322 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] [2024-11-07 23:52:19,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:19,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 23:52:19,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:52:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:19,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 23:52:19,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:52:19,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-07 23:52:19,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:52:19,398 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2024-11-07 23:52:19,399 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2024-11-07 23:52:19,472 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 20 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) Result 40 states and 53 transitions. Complement of second has 10 states. [2024-11-07 23:52:19,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2024-11-07 23:52:19,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2024-11-07 23:52:19,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2024-11-07 23:52:19,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 8 letters. [2024-11-07 23:52:19,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:19,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 10 letters. Loop has 8 letters. [2024-11-07 23:52:19,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:19,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 2 letters. Loop has 16 letters. [2024-11-07 23:52:19,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:19,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 53 transitions. [2024-11-07 23:52:19,478 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-07 23:52:19,478 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 38 states and 51 transitions. [2024-11-07 23:52:19,478 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-11-07 23:52:19,478 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-11-07 23:52:19,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 51 transitions. [2024-11-07 23:52:19,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:52:19,479 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 51 transitions. [2024-11-07 23:52:19,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 51 transitions. [2024-11-07 23:52:19,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2024-11-07 23:52:19,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3) internal successors, (39), 29 states have internal predecessors, (39), 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) [2024-11-07 23:52:19,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2024-11-07 23:52:19,480 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 39 transitions. [2024-11-07 23:52:19,481 INFO L425 stractBuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2024-11-07 23:52:19,481 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-07 23:52:19,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 39 transitions. [2024-11-07 23:52:19,481 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-07 23:52:19,481 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:19,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:19,481 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-07 23:52:19,481 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [3, 2, 1, 1, 1, 1, 1] [2024-11-07 23:52:19,482 INFO L745 eck$LassoCheckResult]: Stem: 386#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 387#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 394#L559-4 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 392#L553-1 [2024-11-07 23:52:19,482 INFO L747 eck$LassoCheckResult]: Loop: 392#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 378#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 379#L554 assume test_fun_#t~mem7#1 > test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 374#L555-3 call test_fun_#t~mem9#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 375#L555-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 395#L555-3 call test_fun_#t~mem9#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 403#L555-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 402#L555-3 call test_fun_#t~mem9#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 401#L555-1 assume !(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1; 388#L559-4 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 392#L553-1 [2024-11-07 23:52:19,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:19,482 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-07 23:52:19,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:19,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534633737] [2024-11-07 23:52:19,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:19,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:19,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:19,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:19,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:19,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1479493138, now seen corresponding path program 2 times [2024-11-07 23:52:19,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:19,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311485161] [2024-11-07 23:52:19,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:19,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:19,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:19,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:19,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:19,509 INFO L85 PathProgramCache]: Analyzing trace with hash 376307409, now seen corresponding path program 1 times [2024-11-07 23:52:19,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:19,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014448846] [2024-11-07 23:52:19,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:19,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:19,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:19,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:19,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-07 23:52:19,912 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:52:19,912 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:52:19,912 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:52:19,912 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:52:19,912 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-07 23:52:19,912 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:19,912 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:52:19,912 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:52:19,912 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.18-alloca.i_Iteration6_Lasso [2024-11-07 23:52:19,912 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:52:19,912 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:52:19,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:19,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:19,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:19,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:19,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:19,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:19,927 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:19,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:19,930 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:19,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:19,937 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:19,939 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:20,169 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:20,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:20,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:20,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:20,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:20,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:20,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:20,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:20,423 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:52:20,424 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-07 23:52:20,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:20,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:20,428 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2024-11-07 23:52:20,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-07 23:52:20,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:20,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:20,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:20,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:20,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:20,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:20,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:20,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:20,444 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:20,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-07 23:52:20,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:20,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:20,457 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2024-11-07 23:52:20,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:20,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-07 23:52:20,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:20,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:20,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:20,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:20,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:20,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:20,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:20,476 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:20,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:20,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:20,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:20,489 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2024-11-07 23:52:20,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-07 23:52:20,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:20,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:20,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:20,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:20,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:20,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:20,501 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:20,501 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:20,502 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:20,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:20,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:20,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:20,514 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2024-11-07 23:52:20,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-07 23:52:20,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:20,526 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:20,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:20,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:20,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:20,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:20,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:20,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:20,528 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:20,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:20,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:20,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:20,540 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2024-11-07 23:52:20,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-07 23:52:20,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:20,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:20,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:20,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:20,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:20,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:20,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:20,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:20,554 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:20,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-07 23:52:20,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:20,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:20,566 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2024-11-07 23:52:20,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-07 23:52:20,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:20,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:20,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:20,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:20,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:20,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:20,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:20,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:20,583 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:20,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:20,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:20,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:20,595 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2024-11-07 23:52:20,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-07 23:52:20,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:20,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:20,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:20,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:20,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:20,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:20,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:20,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:20,608 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:20,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:20,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:20,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:20,621 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2024-11-07 23:52:20,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-07 23:52:20,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:20,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:20,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:20,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:20,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:20,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:20,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:20,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:20,634 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:20,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:20,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:20,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:20,646 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2024-11-07 23:52:20,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-07 23:52:20,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:20,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:20,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:20,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:20,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:20,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:20,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:20,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:20,659 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:20,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-07 23:52:20,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:20,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:20,671 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2024-11-07 23:52:20,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-07 23:52:20,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:20,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:20,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:20,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:20,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:20,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:20,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:20,691 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:20,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:20,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:20,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:20,715 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2024-11-07 23:52:20,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-07 23:52:20,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:20,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:20,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:20,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:20,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:20,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:20,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:20,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:20,728 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:20,738 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:20,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:20,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:20,741 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2024-11-07 23:52:20,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-07 23:52:20,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:20,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:20,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:20,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:20,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:20,755 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:20,755 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:20,759 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:20,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-07 23:52:20,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:20,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:20,771 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2024-11-07 23:52:20,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-07 23:52:20,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:20,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:20,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:20,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:20,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:20,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:20,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:20,791 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:20,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-11-07 23:52:20,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:20,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:20,804 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2024-11-07 23:52:20,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-07 23:52:20,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:20,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:20,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:20,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:20,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:20,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:20,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:20,822 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:20,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:20,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:20,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:20,836 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2024-11-07 23:52:20,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-07 23:52:20,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:20,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:20,848 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-07 23:52:20,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:20,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:20,851 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-11-07 23:52:20,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:20,858 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-07 23:52:20,880 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-07 23:52:20,880 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-11-07 23:52:20,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:20,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:20,882 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2024-11-07 23:52:20,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-07 23:52:20,891 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-07 23:52:20,902 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-07 23:52:20,902 INFO L474 LassoAnalysis]: Proved termination. [2024-11-07 23:52:20,902 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~x_ref~0#1.base) 0)_2) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~x_ref~0#1.base) 0)_2 Supporting invariants [] [2024-11-07 23:52:20,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:20,937 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2024-11-07 23:52:20,938 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-07 23:52:20,939 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-07 23:52:20,939 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] [2024-11-07 23:52:20,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:20,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 23:52:20,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:52:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:20,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 23:52:20,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:52:21,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-07 23:52:21,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-07 23:52:21,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 23:52:21,126 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2024-11-07 23:52:21,126 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 39 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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) [2024-11-07 23:52:21,275 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 39 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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) Result 59 states and 83 transitions. Complement of second has 13 states. [2024-11-07 23:52:21,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 2 stem states 5 non-accepting loop states 1 accepting loop states [2024-11-07 23:52:21,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 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) [2024-11-07 23:52:21,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 22 transitions. [2024-11-07 23:52:21,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 22 transitions. Stem has 3 letters. Loop has 10 letters. [2024-11-07 23:52:21,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:21,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 22 transitions. Stem has 13 letters. Loop has 10 letters. [2024-11-07 23:52:21,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:21,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 22 transitions. Stem has 3 letters. Loop has 20 letters. [2024-11-07 23:52:21,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:21,277 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 83 transitions. [2024-11-07 23:52:21,278 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-07 23:52:21,279 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 50 states and 70 transitions. [2024-11-07 23:52:21,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-07 23:52:21,279 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2024-11-07 23:52:21,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 70 transitions. [2024-11-07 23:52:21,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:52:21,280 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 70 transitions. [2024-11-07 23:52:21,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 70 transitions. [2024-11-07 23:52:21,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2024-11-07 23:52:21,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 48 states have internal predecessors, (69), 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) [2024-11-07 23:52:21,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2024-11-07 23:52:21,282 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 69 transitions. [2024-11-07 23:52:21,282 INFO L425 stractBuchiCegarLoop]: Abstraction has 49 states and 69 transitions. [2024-11-07 23:52:21,282 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-07 23:52:21,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 69 transitions. [2024-11-07 23:52:21,283 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-07 23:52:21,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:21,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:21,283 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:52:21,283 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-07 23:52:21,283 INFO L745 eck$LassoCheckResult]: Stem: 601#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 602#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 609#L559-4 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 610#L553-1 assume !test_fun_#t~short6#1; 619#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 617#L554 assume !(test_fun_#t~mem7#1 > test_fun_#t~mem8#1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 615#L559-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 614#L559-1 assume !!(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 612#L559-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 598#L559-1 [2024-11-07 23:52:21,283 INFO L747 eck$LassoCheckResult]: Loop: 598#L559-1 assume !!(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 597#L559-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 598#L559-1 [2024-11-07 23:52:21,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:21,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1272984874, now seen corresponding path program 1 times [2024-11-07 23:52:21,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:21,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799023642] [2024-11-07 23:52:21,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:21,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:21,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:52:21,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:52:21,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799023642] [2024-11-07 23:52:21,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799023642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:52:21,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:52:21,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:52:21,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128014024] [2024-11-07 23:52:21,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:52:21,305 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-07 23:52:21,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:21,308 INFO L85 PathProgramCache]: Analyzing trace with hash 2428, now seen corresponding path program 1 times [2024-11-07 23:52:21,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:21,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619009765] [2024-11-07 23:52:21,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:21,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:21,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:21,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:21,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:52:21,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:52:21,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:52:21,338 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. cyclomatic complexity: 27 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-11-07 23:52:21,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:52:21,344 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2024-11-07 23:52:21,344 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 69 transitions. [2024-11-07 23:52:21,344 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-07 23:52:21,345 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 49 states and 63 transitions. [2024-11-07 23:52:21,345 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2024-11-07 23:52:21,345 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2024-11-07 23:52:21,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 63 transitions. [2024-11-07 23:52:21,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:52:21,345 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 63 transitions. [2024-11-07 23:52:21,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 63 transitions. [2024-11-07 23:52:21,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-07 23:52:21,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 48 states have internal predecessors, (63), 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) [2024-11-07 23:52:21,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 63 transitions. [2024-11-07 23:52:21,347 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 63 transitions. [2024-11-07 23:52:21,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:52:21,348 INFO L425 stractBuchiCegarLoop]: Abstraction has 49 states and 63 transitions. [2024-11-07 23:52:21,348 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-07 23:52:21,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 63 transitions. [2024-11-07 23:52:21,348 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-07 23:52:21,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:21,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:21,349 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:52:21,349 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-07 23:52:21,349 INFO L745 eck$LassoCheckResult]: Stem: 708#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 709#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 715#L559-4 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 716#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 702#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 703#L554 assume test_fun_#t~mem7#1 > test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 721#L555-3 call test_fun_#t~mem9#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 719#L555-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 720#L555-3 call test_fun_#t~mem9#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 699#L555-1 [2024-11-07 23:52:21,349 INFO L747 eck$LassoCheckResult]: Loop: 699#L555-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 698#L555-3 call test_fun_#t~mem9#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 699#L555-1 [2024-11-07 23:52:21,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:21,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1215264812, now seen corresponding path program 1 times [2024-11-07 23:52:21,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:21,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867182234] [2024-11-07 23:52:21,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:21,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:21,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:21,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:21,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:21,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1948, now seen corresponding path program 1 times [2024-11-07 23:52:21,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:21,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206213676] [2024-11-07 23:52:21,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:21,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:21,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:21,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:21,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:21,370 INFO L85 PathProgramCache]: Analyzing trace with hash -361619193, now seen corresponding path program 2 times [2024-11-07 23:52:21,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:21,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553434656] [2024-11-07 23:52:21,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:21,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:21,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:21,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:21,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:21,753 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:52:21,753 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:52:21,753 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:52:21,753 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:52:21,753 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-07 23:52:21,753 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:21,753 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:52:21,753 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:52:21,753 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.18-alloca.i_Iteration8_Lasso [2024-11-07 23:52:21,753 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:52:21,753 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:52:21,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,881 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,882 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,884 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,890 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,892 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,893 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:21,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:22,060 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:52:22,061 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-07 23:52:22,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:22,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:22,066 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2024-11-07 23:52:22,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-07 23:52:22,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:22,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:22,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:22,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:22,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:22,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:22,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:22,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:22,085 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:22,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:22,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:22,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:22,096 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2024-11-07 23:52:22,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-07 23:52:22,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:22,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:22,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:22,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:22,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:22,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:22,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:22,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:22,110 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:22,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-07 23:52:22,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:22,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:22,122 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2024-11-07 23:52:22,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-07 23:52:22,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:22,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:22,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:22,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:22,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:22,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:22,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:22,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:22,134 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:22,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-07 23:52:22,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:22,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:22,147 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2024-11-07 23:52:22,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-07 23:52:22,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:22,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:22,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:22,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:22,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:22,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:22,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:22,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:22,162 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:22,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:22,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:22,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:22,175 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2024-11-07 23:52:22,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-07 23:52:22,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:22,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:22,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:22,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:22,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:22,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:22,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:22,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:22,188 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:22,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-07 23:52:22,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:22,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:22,200 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2024-11-07 23:52:22,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-07 23:52:22,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:22,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:22,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:22,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:22,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:22,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:22,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:22,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:22,213 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:22,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:22,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:22,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:22,225 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2024-11-07 23:52:22,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-07 23:52:22,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:22,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:22,237 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:22,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:22,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:22,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:22,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:22,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:22,238 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:22,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:22,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:22,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:22,252 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2024-11-07 23:52:22,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-07 23:52:22,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:22,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:22,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:22,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:22,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:22,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:22,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:22,267 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:22,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:22,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:22,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:22,278 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2024-11-07 23:52:22,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-07 23:52:22,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:22,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:22,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:22,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:22,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:22,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:22,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:22,293 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:22,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:22,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:22,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:22,306 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2024-11-07 23:52:22,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-07 23:52:22,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:22,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:22,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:22,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:22,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:22,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:22,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:22,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:22,319 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:22,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-07 23:52:22,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:22,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:22,331 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2024-11-07 23:52:22,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-07 23:52:22,333 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:22,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:22,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:22,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:22,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:22,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:22,346 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:22,351 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-07 23:52:22,359 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-07 23:52:22,359 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-11-07 23:52:22,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:22,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:22,361 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2024-11-07 23:52:22,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-07 23:52:22,371 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-07 23:52:22,382 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-07 23:52:22,382 INFO L474 LassoAnalysis]: Proved termination. [2024-11-07 23:52:22,382 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_3) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_3 Supporting invariants [-1*ULTIMATE.start_test_fun_#t~mem9#1 + 1*v_rep(select (select #memory_int#0 ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_3 >= 0] [2024-11-07 23:52:22,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-07 23:52:22,420 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2024-11-07 23:52:22,425 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#0 [2024-11-07 23:52:22,425 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] [2024-11-07 23:52:22,425 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] [2024-11-07 23:52:22,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:22,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 23:52:22,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:52:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:22,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 23:52:22,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:52:22,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 16 [2024-11-07 23:52:22,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:52:22,502 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-07 23:52:22,502 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 63 transitions. cyclomatic complexity: 21 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-07 23:52:22,531 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 63 transitions. cyclomatic complexity: 21. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) Result 102 states and 128 transitions. Complement of second has 6 states. [2024-11-07 23:52:22,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 2 accepting loop states [2024-11-07 23:52:22,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-07 23:52:22,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2024-11-07 23:52:22,533 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-07 23:52:22,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:22,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2024-11-07 23:52:22,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:22,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-07 23:52:22,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:22,534 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 128 transitions. [2024-11-07 23:52:22,535 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-11-07 23:52:22,535 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 94 states and 119 transitions. [2024-11-07 23:52:22,535 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-07 23:52:22,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-07 23:52:22,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 119 transitions. [2024-11-07 23:52:22,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:52:22,535 INFO L218 hiAutomatonCegarLoop]: Abstraction has 94 states and 119 transitions. [2024-11-07 23:52:22,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 119 transitions. [2024-11-07 23:52:22,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 80. [2024-11-07 23:52:22,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 80 states have (on average 1.2875) internal successors, (103), 79 states have internal predecessors, (103), 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) [2024-11-07 23:52:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2024-11-07 23:52:22,541 INFO L240 hiAutomatonCegarLoop]: Abstraction has 80 states and 103 transitions. [2024-11-07 23:52:22,541 INFO L425 stractBuchiCegarLoop]: Abstraction has 80 states and 103 transitions. [2024-11-07 23:52:22,541 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-07 23:52:22,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states and 103 transitions. [2024-11-07 23:52:22,542 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-07 23:52:22,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:22,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:22,542 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:52:22,542 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-07 23:52:22,542 INFO L745 eck$LassoCheckResult]: Stem: 961#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 962#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 970#L559-4 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 973#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 955#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 956#L554 assume !(test_fun_#t~mem7#1 > test_fun_#t~mem8#1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 975#L559-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1011#L559-1 assume !!(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 1004#L559-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 958#L559-1 [2024-11-07 23:52:22,542 INFO L747 eck$LassoCheckResult]: Loop: 958#L559-1 assume !!(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 957#L559-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 958#L559-1 [2024-11-07 23:52:22,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:22,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1215726572, now seen corresponding path program 1 times [2024-11-07 23:52:22,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:22,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224171829] [2024-11-07 23:52:22,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:22,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:22,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:22,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:22,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:22,567 INFO L85 PathProgramCache]: Analyzing trace with hash 2428, now seen corresponding path program 2 times [2024-11-07 23:52:22,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:22,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001966415] [2024-11-07 23:52:22,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:22,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:22,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:22,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:22,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:22,574 INFO L85 PathProgramCache]: Analyzing trace with hash 82132647, now seen corresponding path program 2 times [2024-11-07 23:52:22,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:22,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576904497] [2024-11-07 23:52:22,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:22,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:22,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:22,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:22,910 INFO L204 LassoAnalysis]: Preferences: [2024-11-07 23:52:22,910 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-07 23:52:22,910 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-07 23:52:22,910 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-07 23:52:22,910 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-07 23:52:22,910 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:22,910 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-07 23:52:22,910 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-07 23:52:22,910 INFO L132 ssoRankerPreferences]: Filename of dumped script: b.18-alloca.i_Iteration9_Lasso [2024-11-07 23:52:22,910 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-07 23:52:22,910 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-07 23:52:22,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:22,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:22,914 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:22,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:22,919 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:22,920 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:22,922 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:22,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:22,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:22,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:22,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:22,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:22,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:23,048 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:23,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:23,052 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:23,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:23,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:23,055 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:23,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:23,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:23,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-07 23:52:23,227 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-07 23:52:23,227 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-07 23:52:23,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:23,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:23,229 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2024-11-07 23:52:23,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-07 23:52:23,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:23,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:23,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:23,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:23,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:23,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:23,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:23,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:23,242 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:23,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-07 23:52:23,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:23,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:23,254 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2024-11-07 23:52:23,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-07 23:52:23,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:23,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:23,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:23,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:23,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:23,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:23,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:23,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:23,271 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:23,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:23,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:23,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:23,283 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2024-11-07 23:52:23,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-07 23:52:23,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:23,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:23,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:23,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:23,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:23,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:23,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:23,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:23,297 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:23,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:23,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:23,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:23,309 INFO L229 MonitoredProcess]: Starting monitored process 41 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) [2024-11-07 23:52:23,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-07 23:52:23,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:23,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:23,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:23,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:23,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:23,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:23,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:23,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:23,323 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:23,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-07 23:52:23,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:23,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:23,336 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2024-11-07 23:52:23,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-07 23:52:23,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:23,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:23,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:23,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:23,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:23,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:23,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:23,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:23,349 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:23,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:23,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:23,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:23,362 INFO L229 MonitoredProcess]: Starting monitored process 43 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) [2024-11-07 23:52:23,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-07 23:52:23,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:23,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:23,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:23,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:23,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:23,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:23,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:23,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:23,374 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:23,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:23,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:23,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:23,386 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2024-11-07 23:52:23,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-07 23:52:23,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:23,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:23,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:23,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:23,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:23,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:23,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:23,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:23,399 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:23,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:23,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:23,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:23,411 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2024-11-07 23:52:23,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-07 23:52:23,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:23,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:23,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:23,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:23,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:23,423 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:23,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:23,426 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:23,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-07 23:52:23,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:23,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:23,437 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2024-11-07 23:52:23,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-11-07 23:52:23,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:23,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:23,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:23,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:23,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:23,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:23,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:23,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:23,450 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:23,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:23,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:23,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:23,462 INFO L229 MonitoredProcess]: Starting monitored process 47 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) [2024-11-07 23:52:23,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-07 23:52:23,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:23,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:23,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-07 23:52:23,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:23,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:23,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:23,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-07 23:52:23,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-07 23:52:23,475 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:23,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:23,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:23,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:23,487 INFO L229 MonitoredProcess]: Starting monitored process 48 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) [2024-11-07 23:52:23,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-07 23:52:23,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:23,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:23,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:23,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:23,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:23,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:23,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:23,504 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-07 23:52:23,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-11-07 23:52:23,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:23,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:23,516 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2024-11-07 23:52:23,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-07 23:52:23,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-07 23:52:23,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-07 23:52:23,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-07 23:52:23,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-07 23:52:23,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-07 23:52:23,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-07 23:52:23,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-07 23:52:23,552 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-07 23:52:23,568 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-07 23:52:23,568 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-11-07 23:52:23,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-07 23:52:23,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:52:23,570 INFO L229 MonitoredProcess]: Starting monitored process 50 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) [2024-11-07 23:52:23,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-07 23:52:23,571 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-07 23:52:23,582 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-07 23:52:23,582 INFO L474 LassoAnalysis]: Proved termination. [2024-11-07 23:52:23,583 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~y_ref~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~y_ref~0#1.base) 0)_1 Supporting invariants [1*v_rep(select (select #memory_int#1 ULTIMATE.start_test_fun_~y_ref~0#1.base) 0)_1 - 1*ULTIMATE.start_test_fun_#t~mem11#1 >= 0] [2024-11-07 23:52:23,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-11-07 23:52:23,609 INFO L156 tatePredicateManager]: 6 out of 8 supporting invariants were superfluous and have been removed [2024-11-07 23:52:23,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-11-07 23:52:23,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-11-07 23:52:23,612 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] [2024-11-07 23:52:23,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:23,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 23:52:23,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:52:23,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-07 23:52:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:23,680 WARN L253 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 23:52:23,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:52:23,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 16 [2024-11-07 23:52:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:52:23,702 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-07 23:52:23,702 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 80 states and 103 transitions. cyclomatic complexity: 35 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-07 23:52:23,735 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 80 states and 103 transitions. cyclomatic complexity: 35. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) Result 137 states and 174 transitions. Complement of second has 5 states. [2024-11-07 23:52:23,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 0 non-accepting loop states 2 accepting loop states [2024-11-07 23:52:23,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-07 23:52:23,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2024-11-07 23:52:23,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-07 23:52:23,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:23,738 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-07 23:52:23,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:23,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 23:52:23,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:52:23,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-07 23:52:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:23,806 WARN L253 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 23:52:23,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:52:23,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 16 [2024-11-07 23:52:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:52:23,846 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-07 23:52:23,847 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 80 states and 103 transitions. cyclomatic complexity: 35 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-07 23:52:23,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-07 23:52:23,874 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 80 states and 103 transitions. cyclomatic complexity: 35. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) Result 163 states and 210 transitions. Complement of second has 6 states. [2024-11-07 23:52:23,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-07 23:52:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-07 23:52:23,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2024-11-07 23:52:23,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2024-11-07 23:52:23,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:23,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2024-11-07 23:52:23,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:23,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2024-11-07 23:52:23,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-07 23:52:23,879 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 163 states and 210 transitions. [2024-11-07 23:52:23,880 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-11-07 23:52:23,881 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 163 states to 151 states and 194 transitions. [2024-11-07 23:52:23,882 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-07 23:52:23,882 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-07 23:52:23,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 151 states and 194 transitions. [2024-11-07 23:52:23,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:52:23,882 INFO L218 hiAutomatonCegarLoop]: Abstraction has 151 states and 194 transitions. [2024-11-07 23:52:23,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states and 194 transitions. [2024-11-07 23:52:23,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 110. [2024-11-07 23:52:23,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 110 states have (on average 1.2818181818181817) internal successors, (141), 109 states have internal predecessors, (141), 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) [2024-11-07 23:52:23,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 141 transitions. [2024-11-07 23:52:23,886 INFO L240 hiAutomatonCegarLoop]: Abstraction has 110 states and 141 transitions. [2024-11-07 23:52:23,886 INFO L425 stractBuchiCegarLoop]: Abstraction has 110 states and 141 transitions. [2024-11-07 23:52:23,886 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-07 23:52:23,886 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 110 states and 141 transitions. [2024-11-07 23:52:23,887 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2024-11-07 23:52:23,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:23,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:23,887 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 2, 2, 2, 2, 2, 1, 1, 1] [2024-11-07 23:52:23,887 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-07 23:52:23,887 INFO L745 eck$LassoCheckResult]: Stem: 1478#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1479#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1482#L559-4 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 1485#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 1540#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1539#L554 assume !(test_fun_#t~mem7#1 > test_fun_#t~mem8#1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 1538#L559-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1537#L559-1 assume !!(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 1497#L559-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1490#L559-1 assume !(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1; 1496#L559-4 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 1495#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 1494#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1493#L554 assume !(test_fun_#t~mem7#1 > test_fun_#t~mem8#1);havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 1492#L559-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1491#L559-1 assume !!(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 1489#L559-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1475#L559-1 [2024-11-07 23:52:23,887 INFO L747 eck$LassoCheckResult]: Loop: 1475#L559-1 assume !!(test_fun_#t~mem11#1 > 0);havoc test_fun_#t~mem11#1;call test_fun_#t~mem12#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int#1(test_fun_#t~mem12#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 1474#L559-3 call test_fun_#t~mem11#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1475#L559-1 [2024-11-07 23:52:23,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:23,888 INFO L85 PathProgramCache]: Analyzing trace with hash -2055714993, now seen corresponding path program 2 times [2024-11-07 23:52:23,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:23,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927735169] [2024-11-07 23:52:23,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:23,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:23,942 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 23:52:23,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:52:23,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927735169] [2024-11-07 23:52:23,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927735169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:52:23,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:52:23,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:52:23,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782266421] [2024-11-07 23:52:23,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:52:23,943 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-07 23:52:23,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:23,944 INFO L85 PathProgramCache]: Analyzing trace with hash 2428, now seen corresponding path program 3 times [2024-11-07 23:52:23,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:23,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213291942] [2024-11-07 23:52:23,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:23,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:23,946 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:23,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:23,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:52:23,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:52:23,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:52:23,975 INFO L87 Difference]: Start difference. First operand 110 states and 141 transitions. cyclomatic complexity: 47 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-11-07 23:52:23,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:52:23,994 INFO L93 Difference]: Finished difference Result 88 states and 105 transitions. [2024-11-07 23:52:23,994 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 88 states and 105 transitions. [2024-11-07 23:52:23,995 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-07 23:52:23,995 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 88 states to 24 states and 27 transitions. [2024-11-07 23:52:23,995 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-07 23:52:23,995 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-07 23:52:23,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2024-11-07 23:52:23,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-07 23:52:23,995 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-11-07 23:52:23,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2024-11-07 23:52:23,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-07 23:52:23,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.125) internal successors, (27), 23 states have internal predecessors, (27), 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) [2024-11-07 23:52:23,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2024-11-07 23:52:23,996 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-11-07 23:52:23,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:52:23,997 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-11-07 23:52:23,997 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-07 23:52:23,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. [2024-11-07 23:52:23,997 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-07 23:52:23,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-07 23:52:23,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-07 23:52:23,997 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 3, 2, 2, 2, 2, 1, 1, 1] [2024-11-07 23:52:23,997 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-07 23:52:23,997 INFO L745 eck$LassoCheckResult]: Stem: 1682#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1683#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~nondet19#1, main_#t~ret20#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet18#1, main_#t~nondet19#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem4#1, test_fun_#t~mem5#1, test_fun_#t~short6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~short15#1, test_fun_#t~mem16#1, test_fun_#t~mem17#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int#0(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#1(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1687#L559-4 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 1684#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 1685#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1690#L554 assume test_fun_#t~mem7#1 > test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 1691#L555-3 call test_fun_#t~mem9#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 1688#L555-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 1678#L555-3 call test_fun_#t~mem9#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 1679#L555-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 1699#L555-3 call test_fun_#t~mem9#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 1692#L555-1 assume !(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1; 1689#L559-4 call test_fun_#t~mem4#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem4#1 > 0; 1686#L553-1 assume test_fun_#t~short6#1;call test_fun_#t~mem5#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short6#1 := test_fun_#t~mem5#1 > 0; 1680#L553-3 assume !!test_fun_#t~short6#1;havoc test_fun_#t~mem4#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~short6#1;call test_fun_#t~mem7#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem8#1 := read~int#1(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1681#L554 assume test_fun_#t~mem7#1 > test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1; 1696#L555-3 call test_fun_#t~mem9#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 1695#L555-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 1693#L555-3 call test_fun_#t~mem9#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 1677#L555-1 [2024-11-07 23:52:23,997 INFO L747 eck$LassoCheckResult]: Loop: 1677#L555-1 assume !!(test_fun_#t~mem9#1 > 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem10#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int#0(test_fun_#t~mem10#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem10#1; 1676#L555-3 call test_fun_#t~mem9#1 := read~int#0(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 1677#L555-1 [2024-11-07 23:52:23,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:23,998 INFO L85 PathProgramCache]: Analyzing trace with hash -2121929575, now seen corresponding path program 2 times [2024-11-07 23:52:23,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:23,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395562525] [2024-11-07 23:52:23,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:23,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:52:24,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 23:52:24,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:52:24,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395562525] [2024-11-07 23:52:24,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395562525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:52:24,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:52:24,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:52:24,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389768447] [2024-11-07 23:52:24,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:52:24,051 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-07 23:52:24,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:52:24,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1948, now seen corresponding path program 2 times [2024-11-07 23:52:24,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:52:24,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259153521] [2024-11-07 23:52:24,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:52:24,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:52:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:24,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 23:52:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 23:52:24,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 23:52:24,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:52:24,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:52:24,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:52:24,080 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-11-07 23:52:24,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 23:52:24,099 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-07 23:52:24,099 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 14 transitions. [2024-11-07 23:52:24,100 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-07 23:52:24,100 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2024-11-07 23:52:24,100 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-07 23:52:24,100 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-07 23:52:24,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-07 23:52:24,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-07 23:52:24,100 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:52:24,100 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:52:24,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:52:24,100 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 23:52:24,100 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-11-07 23:52:24,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-07 23:52:24,100 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-07 23:52:24,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-07 23:52:24,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 11:52:24 BoogieIcfgContainer [2024-11-07 23:52:24,106 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-07 23:52:24,106 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 23:52:24,106 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 23:52:24,106 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 23:52:24,107 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:52:17" (3/4) ... [2024-11-07 23:52:24,108 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 23:52:24,108 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 23:52:24,109 INFO L158 Benchmark]: Toolchain (without parser) took 7522.10ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.9MB in the beginning and 53.9MB in the end (delta: 39.0MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2024-11-07 23:52:24,109 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:52:24,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.71ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 76.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 23:52:24,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.12ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 75.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:52:24,109 INFO L158 Benchmark]: Boogie Preprocessor took 21.46ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 73.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:52:24,110 INFO L158 Benchmark]: RCFGBuilder took 226.69ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 60.9MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 23:52:24,110 INFO L158 Benchmark]: BuchiAutomizer took 6996.01ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 60.8MB in the beginning and 54.0MB in the end (delta: 6.8MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-11-07 23:52:24,110 INFO L158 Benchmark]: Witness Printer took 2.33ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 52.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:52:24,111 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.71ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 76.8MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.12ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 75.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.46ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 73.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 226.69ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 60.9MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 6996.01ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 60.8MB in the beginning and 54.0MB in the end (delta: 6.8MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Witness Printer took 2.33ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 52.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#0,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#0,GLOBAL],[IdentifierExpression[~x_ref~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~y_ref~0!base,]]] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 11 terminating modules (7 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. One deterministic module has affine ranking function null and consists of 8 locations. One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 4 locations. 7 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.9s and 12 iterations. TraceHistogramMax:5. Analysis of lassos took 5.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 71 StatesRemovedByMinimization, 7 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 [3, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 8/8 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 265 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 132 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 222 IncrementalHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 133 mSDtfsCounter, 222 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI4 SFLT0 conc0 concLT0 SILN0 SILU3 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital176 mio100 ax110 hnf100 lsp91 ukn63 mio100 lsp28 div100 bol103 ite100 ukn100 eq158 hnf91 smp96 dnf115 smp92 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 68ms VariablesStem: 3 VariablesLoop: 7 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-07 23:52:24,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 23:52:24,332 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 Result: TRUE